Test Equipment

1. Voltage: 0.00V~120V2. Internal resistance measurement: 0.000mΩ~500Ω3. Input voltage: DC 120V (regardless of polarity), AC input is not allowed4. Measurement current: 50mA~50uAAC5. Measurement speed: 3 times/second6. Measurement signal frequency: 1KHz7. Screen and size: IR500 55x57mmTN black and white screen; IR 502 55x57mmTN color screen8. Power supply: 3.7V 1200mAh lithium battery9. Automatic switching of internal resistance/voltage range10. Can be used for various battery detection such as lithium battery, lead-acid battery, carbon battery, alkaline battery, button battery, etc.11. 3.2-inch high-definition VA screen display, main/slave dual reading value12. Kelvin four-wire detection is used to effectively avoid the influence of wire resistance and contact resistance, thereby ensuring the accuracy of measurement13. TPR sheath is more shatterproof, and LED flashlight drives away darkness14. The internal resistance value can be determined based on the lower limit condition "Lo" and the upper limit condition "Hi" set by the user, and the test results are classified into excellent, qualified, and poor to make a double alarm prompt with flashing graphics and sound15. The lithium battery needs 2 hours to be fully charged, and a full charge works for about 8 hours16. The instrument automatically shuts down if there is no button operation within 20 minutes17. The host and the test clip are connected through the DB9 interface, where pin 1 is empty, pins 2, 6 and 5, 9 correspond to the red line and white line connected to the two sides of the red clip; pins 4, 8 and 3, 7 correspond to the yellow line and black line connected to the two sides of the black clipSpecification: Package Weight One Package Weight 0.51kgs / 1.13lb One Package Size 23cm * 16cm * 6cm / 9.06inch * 6.3inch * 2.36inch Qty per Carton 20 Carton Weight 11.10kgs / 24.47lb Carton Size 48cm * 34cm * 32cm / 18.9inch * 13.39inch * 12.6inch Loading Container 20GP: 510 cartons * 20 pcs = 10200 pcs 40HQ: 1185 cartons * 20 pcs = 23700 pcs

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1. Sensor: piezoelectric accelerometer2. Acceleration measurement range: 0.1-199.9m/s2 (peak value)3. Velocity measurement range: 0.1-199.9mm/s (true effective value)4. Displacement measurement range: 0.001-1.999mm (peak-to-peak value)5. Measurement error: +/-(5%+2dgts)6. Low-frequency acceleration measurement frequency range: 10Hz-1KHz7. High-frequency acceleration measurement frequency range: 1ΚΗz-10ΚΗz8. Velocity measurement frequency range: 10Hz-1KHz9. Displacement measurement frequency range: 10Hz-500Hz10. Data refresh time: 500ms11. Number of storage records: 200 records12. Working temperature: 0 - 50 degrees Celsius13. Working/storage humidity: 20%RH - 80%RH14. Storage temperature: -20 - 60 degrees Celsius15. Power supply: 2 x 1.5V AAA batteries (not included)16. Battery life: more than 4 hours of continuous use17. Altitude: less than 2000m18. Size: about 17.6 x 5.4 x 2.5cm19. Weight: about 121gFeatures:1. Single/three-group data display switch2. Screen flip, multi-directional observation data3. Dual measurement keys, better control direction and contact with the object to be measured4. With flashlight lighting, safe measurement in dark conditions5. Symmetrical shape, more stable contact with the object to be measured, more uniform force6. 200 records of storage, can store three items of data at the same time7. Two-color mold one-piece molding, internal and external rubber coating, dustproof and drop-proofPacking list:- Vibration meter x 1- Manual x 1- Long probe x 1- Short probe x 1- Carrying bag x 1- Lanyard x 1Specification: Package Weight One Package Weight 0.34kgs / 0.76lb One Package Size 23cm * 12cm * 7cm / 9.06inch * 4.72inch * 2.76inch Qty per Carton 10 Carton Weight 3.80kgs / 8.38lb Carton Size 31cm * 24cm * 24cm / 12.2inch * 9.45inch * 9.45inch Loading Container 20GP: 1493 cartons * 10 pcs = 14930 pcs 40HQ: 3466 cartons * 10 pcs = 34660 pcs

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1. Battery capacity: 4000mAh 3.7V lithium battery2. Storage function: 2 seconds/pen, can store for one year3. Communication with computer: communicate with computer via USB cable4. Power supply: plug + charge dual-purpose, DC5V 1A Type-C USB interface5. Measuring range: 30-130dB6. Accuracy: +/-1.5dB (based on standard tone, 94dB@1KHz)7. Frequency response: 31.5 Hz-8.5 KHz8. Response time: FAST9. Microphone: 6mm condenser microphone10. Digital display: 3 digits11. Resolution: 0.1dB (less than 100dB), 1dB (greater than 100dB)12. Function: support alarm prompt (sound + display)/alarm output, with computer software, with data storage13. Size: about 22.8 x 12.5 x 3.2cmFeatures:1. Capacitive microphone sensor, ultra-thin metal vibration film, practical output, instant response2. Capacitive microphone sensor, three-layer conduction layer determines its frequency response and sensitivity. the vibration film is lighter and responds faster3. Supports USB cable connection to the computer, can read instrument data in real time, and export EXCEL tables4. Has the characteristics of fast response rate and high measurement accuracy5. The default alarm value is 130dB when powered on. The indicator light flashes when the alarm is triggered, accompanied by a buzzer alarm sound6. LED large screen display, energy saving and consumption reduction7. Supports wall-mounted installation, suitable for multiple scenariosSpecification: Package Weight One Package Weight 0.75kgs / 1.66lb One Package Size 27cm * 20cm * 8cm / 10.63inch * 7.87inch * 3.15inch Qty per Carton 10 Carton Weight 8.00kgs / 17.64lb Carton Size 39cm * 31cm * 28cm / 15.35inch * 12.2inch * 11.02inch Loading Container 20GP: 787 cartons * 10 pcs = 7870 pcs 40HQ: 1828 cartons * 10 pcs = 18280 pcs

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1. Infrared resolution: 32x322. Infrared band: 8~14um (wavelength)3. Emissivity: 0.10~1.00 adjustable4. Frame rate: 7 frames/second5. Field of view: FOV 33° (H) x 33° (V)6. Focusing mode: auto focus7. Temperature measurement area: 3 (high temperature, real-time temperature, low temperature)8. Imaging mode: infrared light + visible light9. Color palette: black and white, iron red, heat, rainbow10. Image format: bmp11. Screenshot saving and reading: supported12. Focus distance (MIN): 0.25m13. Effective temperature measurement distance: 2m14. Temperature measurement range: -20-550℃15. High and low temperature values: automatic capture measurement16. Temperature measurement point: center point17. USB communication interface: Typе-C18. Firmware upgrade: support19. Charging: USB interface 5V20. Charging time: about 3 hours, battery life 6 hours21. DC voltage (V): 0V-1000.0V22. DC voltage (mV): 0mV-250.00mV23. AC voltage (V): 0V-750.0V24. AC voltage (mV): 0mV-250.0mV25. DC current (A): 0A-10.000A26. DC current (mA): 0mA-250.00mA27. AC current (A): 0A-10.000A28. AC current (μA/mA): 0mA-250.00mA29. Resistance: 0Ω-250.0ΜΩ30. Capacitance: 0nF-99.99mF31. Hz: 0Hz-99.99kHz32. Language options: Simplified Chinese/English33. Count: 25,000 words34. Display: 2.4-inch TFT high-definition display35. Display resolution: 320x24036. Infrared thermal imaging, supports adjustable fusion of infrared light and natural light37. 25,000 counts, one-button intelligent switching between thermal imaging or multimeter mode38. The thermal imager can detect the surface temperature of an object, with high-definition screen display, high and low temperature anomalies can be seen on one screen, hot spots are easier to find and the image is clearer39. Four image color bands and rich color plate functions help users choose the appropriate color plate according to different test scenes. They can be adjusted to four colors: black and white, iron red, heat, and rainbow.40. The image is clearer, the target temperature value is automatically captured, and the center point, high temperature point, and low temperature point of the display effect in multiple scenes are accurately measured.41. Equipped with 3.6V~4.2V 2000mAh lithium battery, the Type-C data cable is connected to the DC 5V output adapter for charging42. Long press to save the measurement data screenshot, the data cable is connected to the USB interface of the computer and the instrument, and the USB communication is turned on in the setting interface. After the connection is successful, the computer will pop up the DISK U disk. At this time, open the PICTURE folder to see the saved pictures43. Turn on the flashlight to assist in working in a dark environment, no longer afraid of not being able to see the measurement location, and eliminate the risk of electric shock44. Enter the setting interface and select the option to press the up and down keys to set the required automatic shutdown time, off/15 minutes/30 minutes/60 minutes/120 minutes45. Dimensions: 14.9 x 7.6 x 3.4 cm46. Weight: 200 gSpecification: Package Weight One Package Weight 0.38kgs / 0.84lb One Package Size 20cm * 13cm * 7cm / 7.87inch * 5.12inch * 2.76inch Qty per Carton 30 Carton Weight 30.00kgs / 66.14lb Carton Size 60cm * 35cm * 19cm / 23.62inch * 13.78inch * 7.48inch Loading Container 20GP: 668 cartons * 30 pcs = 20040 pcs 40HQ: 1551 cartons * 30 pcs = 46530 pcs

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1. Full-color display multifunctional tester2. Measures transistors, diodes, resistors, capacitors, inductors, thyristors, field-effect transistors, zener diodes, dual diodes, light-emitting diodes, etc.3. Measures voltage4. Built-in lithium battery with extended runtime5. Automatic calibration function6. Capacitors: 25pF - 100mF (Discharge capacitors before testing)7. Resistors: 0.01 - 50M 8. Inductors: 0.01mH - 20H9. Batteries: 0.1 - 4.5VNote:1. ESR value displayed only for large-capacity electrolytic capacitors2. This tester is not intended for high-precision measurements3. Not suitable for testing high-power devices4. Double-click to access calibration optionsSpecification: Package Weight One Package Weight 0.13kgs / 0.30lb One Package Size 12cm * 10cm * 4cm / 4.72inch * 3.94inch * 1.57inch Qty per Carton 100 Carton Weight 14.00kgs / 30.86lb Carton Size 50cm * 38cm * 32cm / 19.69inch * 14.96inch * 12.6inch Loading Container 20GP: 438 cartons * 100 pcs = 43800 pcs 40HQ: 1018 cartons * 100 pcs = 101800 pcs

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1. This 10-in-1 air quality monitor accurately detects critical environmental parameters, including carbon dioxide (CO?), PM2.5, PM1.0, PM10, Air Quality Index (AQI), formaldehyde (HCHO), Total Volatile Organic Compounds (TVOC), temperature, and humidity. It features data storage and wired export capabilities, enabling users to track air quality trends over time. 2. Comprehensive 10-parameter monitoring—The device synchronously tracks and displays real-time readings for CO?, particulate matter (PM1.0, PM2.5, PM10), AQI, formaldehyde, TVOC, temperature, and humidity on a clear LCD screen, providing a holistic overview of your indoor environment. 3. Data storage and PC export function—Built-in data logging automatically saves measurements at preset intervals. Using the included Type-C cable, historical data can be exported to a computer for in-depth analysis and long-term trend tracking in software like Excel, eliminating reliance on single instantaneous readings. 4. Advanced multi-sensor fusion technology—Utilizes professional-grade sensors: an NDIR (Non-Dispersive Infrared) sensor for CO? detection, a laser scattering sensor for particulate matter, and electrochemical/semiconductor sensors for formaldehyde and TVOC; paired with a high-performance processing chip to ensure reliable and precise measurements. 5. Portable charging design—Features a built-in rechargeable lithium battery (Type-C charging support) and compact dimensions of 145x78x97mm. Lightweight and portable, it can be easily moved between rooms or locations. 6. Broad applicability and technical specifications—Supports wide measurement ranges (e.g., CO? 400–5000 ppm, PM2.5 0–999 μg/m3) using standard units. Suitable for homes, offices, schools, and other indoor environments. Technical Specifications: 1. Weight: 235g (8.30 oz) 2. Dimensions: 145 x 78 x 97 mm 3. Display: LCD 4. Measured parameters: CO?, PM2.5, PM1.0, PM10, AQI, HCHO (formaldehyde), TVOC, temperature, humidity 5. CO? sensor principle: NDIR (infrared) 6. PM sensor principle: Laser scattering 7. CO? concentration unit: ppm 8. PM concentration unit: μg/m3 9. CO? measurement range: 400–5000 ppm 10. PM2.5/1.0/10 measurement range: 0–999 μg/m3 11. Temperature range: -10 to 50 degrees Celsius (14 to 122 degrees Fahrenheit) 12. Humidity range: 20%–85% 13. Sampling time: 1.5 seconds 14. Storage temperature: -10 to 60 degrees Celsius (14 to 140 degrees Fahrenheit) 15. Relative humidity: 20%–85% 16. Atmospheric pressure: 12.5–15.4 PSI 17. Material: ABS Included: Main unit, Type-C cable, universal English manualSpecification: Package Weight One Package Weight 0.48kgs / 1.07lb One Package Size 20cm * 14cm * 12cm / 7.87inch * 5.51inch * 4.72inch Qty per Carton 20 Carton Weight 10.50kgs / 23.15lb Carton Size 57cm * 29cm * 43cm / 22.44inch * 11.42inch * 16.93inch Loading Container 20GP: 375 cartons * 20 pcs = 7500 pcs 40HQ: 870 cartons * 20 pcs = 17400 pcs

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feature1.HOLD data retention2.MAX maximum / MIN minimum3.UN VOL, UNIT switch unit in PPM, (MG / M ^ 3)4. Alarm settings5. Calibration6. On/Off (timed shutdown)Specification1. Measurement range: 0~1000ppm; 0~0.1%VOL; 0~0.8%LEL; 0~1250mg / M ^ 32. Maximum overload: 2000PPM3. Response time: <30 seconds4. Ambient temperature: 0~50°C (32~122°F)5. Use ambient humidity: 15~90% RH Package Included1 x carbon monoxide detector (without battery)1 x manualSpecification: General Certificate CE Package Weight One Package Weight 0.66kgs / 1.44lb One Package Size 27.3cm * 19.6cm * 6.6cm / 10.75inch * 7.72inch * 2.6inch Qty per Carton 30 Carton Weight 15.00kgs / 33.07lb Carton Size 76cm * 54cm * 18cm / 29.92inch * 21.26inch * 7.09inch Loading Container 20GP: 360 cartons * 30 pcs = 10800 pcs 40HQ: 838 cartons * 30 pcs = 25140 pcs

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specification1. Measurement range: 0~25% VOL2. Maximum overload: 30% oxygen3. Response time: <15 seconds4. Sensor type: electromagnetic O2 sensor5. Use ambient humidity: 15~90% RH6. Power: 3X1.5VAA battery Package Included1 x Oxgen gas detector (without battery)1 x manualSpecification: General Certificate CE Package Weight One Package Weight 0.86kgs / 1.90lb One Package Size 28cm * 21cm * 7cm / 11.02inch * 8.27inch * 2.76inch Qty per Carton 7 Carton Weight 7.00kgs / 15.43lb Carton Size 48cm * 32cm * 24cm / 18.9inch * 12.6inch * 9.45inch Loading Container 20GP: 723 cartons * 7 pcs = 5061 pcs 40HQ: 1679 cartons * 7 pcs = 11753 pcs

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Features:1. Fast response, low power consumption, simple detection circuit, good stability, long life2. Split universal flexible probe, easy to touch all kinds of environment3. MP-901 sensor, high sensitivity, fast response4. The heater and metal oxide semiconductor gas sensing layers were fabricated on both sides of the micro-AI2O3 ceramic substrate by using a multi-layer thick film manufacturing process and encapsulated in a metal shell5. High strength ABS engineering plastics, no fear of environmental challenges6. Adopt air filter to reduce the disturbance of water, air and dust7. Rich alarm methods (beeping, lighting, vibration) , gas leak real-time feedbackParameters:1. Detection gases: CFCs: R11, R12, R500, R503, etc; HCFCs: R22, R123, R124, R502, etc; HCFCs: R134a, R404a, R125, etc.2. Operating voltage: DC4.5 V3. Power mode: 3 x AAA alkaline dry cells (not included)4. Run time: more than 6 hours5. Display: LCD liquid crystal display with automatic backlighting6. Direct reading: sensor Concentration Reading, battery charge, concentration unit, temperature7. Alarm settings: low-alarm function, high-alarm function settings8. Warm-up time: 30 seconds9. Response time: less than 10 seconds10. Measurement range: 0-1000 ppm11. Resolution: 1 ppm12. Sampling mode: diffusion mode13. Alarm: sound, light-emitting diode, vibration indication alarm, voltage under-voltage indication14. Audio tip: the higher the frequency of beeps, the higher the concentration15. Service temperature range: -10-50 degrees celsius16. Size: 156 x 64 x 27mm17. Weight: about 200gApplicable to the following gases and occasions:1. Detection of halogen gases (including chlorine and fluorine)2. Detecting ethylene oxide and ethanol gas for medical use3. Detect Halon gas in the fire extinguishing system4. Testing of air-conditioning, refrigeration systems and refrigerant recovery equipmentSpecification: Package Weight One Package Weight 0.30kgs / 0.67lb One Package Size 18cm * 8cm * 4cm / 7.09inch * 3.15inch * 1.57inch Qty per Carton 98 Carton Weight 30.00kgs / 66.14lb Carton Size 50cm * 50cm * 60cm / 19.69inch * 19.69inch * 23.62inch Loading Container 20GP: 177 cartons * 98 pcs = 17346 pcs 40HQ: 412 cartons * 98 pcs = 40376 pcs

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Features Color-screen display, user-friendly interface.Bilingual choices:Chinese/English.Three alarm forms:sound/light/vibration .Data recording and review function, continuously record120,000 data logging.Charging function. Specification Gas detection:COMeasurement Range: 0~100μmo/molResolution: 1 Accuracy: When the measuring range is(0~50)mol/mol,maximum allowable error is:5mol/mol.When the measuring range is(50~1000)mol/mol,maximum allowable error is:10%Indication model:LCD display real-time date and system state,LED,sound,vibration indication alarm Response Time(90%): Less than 30 seconds Alarm: Sound and light vibration alarm Alarm Point: Adjustable Working Voltage: DC3.7V, 1800mAh Battery Model: LP103450-1800mAh rechargeable lithium batteryExplosion-proof Certificate NO.: CNEx 18.5122Explosion-proof Mark: Ex ib IIB T3 GbOperating Conditions: -20～50℃ / -4～122℉, < 95%Storage Conditions: -10～55℃ / 14～122℉, < 85%charging time:6-8hstandby time:more than 8h on end (slightly change with working state)Weight: 215.4g(with battery and back buuton)Item Size: 71 * 153* 49mm Package included 1 * Carbon Monoxide Monitor1 * Plastic Pipe1 * USB Cable1 * Gas Calibration Cover1 * Storage Box1 * User ManualSpecification: General Certificate CE Package Weight One Package Weight 0.83kgs / 1.83lb One Package Size 29cm * 18.5cm * 8cm / 11.42inch * 7.28inch * 3.15inch Qty per Carton 38 Carton Weight 30.00kgs / 66.14lb Carton Size 90cm * 62cm * 29cm / 35.43inch * 24.41inch * 11.42inch Loading Container 20GP: 164 cartons * 38 pcs = 6232 pcs 40HQ: 382 cartons * 38 pcs = 14516 pcs

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Features 1.Color-screen display, user-friendly interface.2.Bilingual choices:Chinese/English.3.Three alarm forms:sound/light/vibration .4.Data recording and review function, continuously record5.120,000 data logging.6.Charging function. Specification Compound Gas Monitor Range Measuring item and Unit 1.Combustible gas LEL %LEL2.Oxygen O2 %VOL3.Hydrogen sulfide H2S μmol/mol4.Carbon Monoxide CO μmol/molRange:1.Combustible gas LEL: 0~1002.Oxygen O2 : 0~303.Hydrogen sulfide H2S:0~100 4.Carbon Monoxide CO :0~1000Resolution1.Combustible gas LEL: 0.12.Oxygen O2 : 0.13.Hydrogen sulfide H2S:0.14.Carbon Monoxide CO :1Accuracy: When the measuring range is(0~50)mol/mol,maximum allowable error is:5mol/mol.When the measuring range is(50~1000)mol/mol,maximum allowable error is:10%Indication model:LCD display real-time date and system state,LED,sound,vibration indication alarm Response Time(90%): Less than 30 seconds Alarm: Sound and light vibration alarm Alarm Point: Adjustable Working Voltage: DC3.7V, 1800mAh Battery Model: LP103450-1800mAh rechargeable lithium batteryExplosion-proof Certificate NO.: CNEx 18.5122Explosion-proof Mark: Ex ib IIB T3 GbOperating Conditions: -20～50℃ / -4～122℉, < 95%Storage Conditions: -10～55℃ / 14～122℉, < 85%charging time:6-8hstandby time:more than 8h on end (slightly change with working state)Item Size: 71 * 153* 49mm Package included 1 * Carbon Monoxide Monitor1 * Plastic Pipe1 * USB Cable1 * Gas Calibration Cover1 * Storage Box1 * User ManualSpecification: General Certificate CE , ROHS , FCC , EMC Package Weight One Package Weight 1.06kgs / 2.33lb One Package Size 29cm * 18.5cm * 8cm / 11.42inch * 7.28inch * 3.15inch Qty per Carton 30 Carton Weight 30.00kgs / 66.14lb Carton Size 90cm * 57cm * 24cm / 35.43inch * 22.44inch * 9.45inch Loading Container 20GP: 216 cartons * 30 pcs = 6480 pcs 40HQ: 502 cartons * 30 pcs = 15060 pcs

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With LCD Screen Or Not:Yes Gas Type:Alcohol Resolution ratio: :0.1 Reaction time: :1 (s) Power supply: :2 x AAA battery(Not Included) Weight: :70 g Support::Dropship Features: 1. Detection range:0.000% - 0.199% BAC / 0.000-0.995 mg/l 2. Digital display results (% BAC / mg /l) 3. Quick response and recovery. 4. Automatic power outage. 5. Orange back-light. 6. Low voltage indicator. Specifications: 1. Resolution ratio: 0.1 2. Reaction time: 1 (s) 3. Power supply: 2 x AAA battery(Not Included) 4. Weight: 70g Instructions: 1. Press the switch once, the LCD screen of the tester will turn on the lights, and it will send out a "noise". 2. The state of warm up number will jump from 10 to 0, and after the state blow 10 jumps to 0, the preheating program will be completed. 3. When the countdown is 6 seconds, the mouth is close to the breath test sensor and exhaled for 3-5 seconds to the sensor. 4. The screen can read the test results.Specification: Package Weight One Package Weight 0.10kgs / 0.22lb One Package Size 15cm * 8cm * 2cm / 5.91inch * 3.15inch * 0.79inch Qty per Carton 200 Carton Weight 19.20kgs / 42.33lb Carton Size 42cm * 42cm * 32cm / 16.54inch * 16.54inch * 12.6inch Loading Container 20GP: 472 cartons * 200 pcs = 94400 pcs 40HQ: 1096 cartons * 200 pcs = 219200 pcs

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Feature:1. Accurate detection: It can accurately and quickly monitor the indoor CO2 concentration to protect your health. It can also test indoor temperature and humidity in real time.2. Stable and durable: Built-in rechargeable battery can continuously monitor air quality for a long time. The clear screen display and three-color LED indicator can help you clearly identify the air quality.3. Wide application: suitable for air quality monitoring in cars, rooms, schools, office buildings, greenhouses, factories, hotels, hospitals, etc., especially in places with infants, young children, the elderly, pregnant women, etc.4. Portable and light: small size, easy to carry, can be used for a long timeSpecification:1. Material: ABS2. Display mode: LCD screen3. CO2 detection method: infrared (NDIR)4. Sampling time: 1.5 seconds5. Product size: 70x80x35mm/2.76x3.15x1.38 inches6. Detection temperature: -10 to 50 degrees Celsius7. Relative humidity: 20%-85%8. Storage temperature: -10 to 60 degrees Celsius9. CO2 concentration unit: PPM, detection range: 400-5000PPM10. Power supply: 1600mAh capacity lithium battery11. 5V DC power charging via USB port12. Product weight: 150gSpecification: Package Weight One Package Weight 0.27kgs / 0.59lb One Package Size 12cm * 8cm * 6cm / 4.72inch * 3.15inch * 2.36inch Qty per Carton 118 Carton Weight 30.00kgs / 66.14lb Carton Size 58cm * 39cm * 29cm / 22.83inch * 15.35inch * 11.42inch Loading Container 20GP: 406 cartons * 118 pcs = 47908 pcs 40HQ: 943 cartons * 118 pcs = 111274 pcs

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1. Material: metal+ABS2. Support history saving3. Support temperature offset4. 4.3 inch LCD screen display, history record preservation5. Temperature unit between celsius and fahrenheit switch6. CO2 Technology: Infrared (NDIR)7. CO2 detection range: 400ppm -5000 ppm8. CO2 alarm value: 1000ppm9. CO2 alarm on/off function (if you dont like the alarm, you can manually set it to turn off)10. Power supply: rechargeable lithium battery 3000mAh11. Can detect CO2 (carbon dioxide), temperature and humidity, with clock and recording functions12. Combining infrared (NDIR) sensor with built-in fan, it can monitor carbon dioxide (CO2), temperature and humidity in real time on its digital LCD display13. Product size: 145x78x97.2mm14. Product net weight: 225 gramsPacking list:- Host x 1- Manual x 1- Charging cable x 1Specification: Package Weight One Package Weight 0.51kgs / 1.12lb One Package Size 18.7cm * 11.5cm * 10.3cm / 7.36inch * 4.53inch * 4.06inch Qty per Carton 62 Carton Weight 30.00kgs / 66.14lb Carton Size 50cm * 50cm * 60cm / 19.69inch * 19.69inch * 23.62inch Loading Container 20GP: 177 cartons * 62 pcs = 10974 pcs 40HQ: 412 cartons * 62 pcs = 25544 pcs

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1. Measuring PH value of the solution2. Measuring the temperature of the solution3. LCD backlight hold4. Data hold 5. Temperature unit switch6. Power off memory 7. Solution temperature compensation8. Low battery indicationSpecification: Package Weight One Package Weight 0.10kgs / 0.23lb One Package Size 20cm * 5cm * 5cm / 7.87inch * 1.97inch * 1.97inch Qty per Carton 120 Carton Weight 13.00kgs / 28.66lb Carton Size 52cm * 42cm * 32cm / 20.47inch * 16.54inch * 12.6inch Loading Container 20GP: 381 cartons * 120 pcs = 45720 pcs 40HQ: 885 cartons * 120 pcs = 106200 pcs

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1. Fast response speed, high precision, of its stability, good repeatability.2. The apparatus is widely used in metallurgy, power plant, farms, mines, chemical, scientific research, medical, pharmaceutical, environmental protection, and other fields.3. With a large LCD screen displaying the measured results, you can get ammonia gas concentration at a glance.4. The ammonia gas monitor has an audio and visual alarm, you can set an audio alarm decibel that can give you an obvious prompt.5. Portable and handheld, easy to operate and carry.6. Power supply: 3.7V li-battery.Specification: Package Weight One Package Weight 0.72kgs / 1.59lb One Package Size 18cm * 10cm * 5cm / 7.09inch * 3.94inch * 1.97inch Qty per Carton 30 Carton Weight 23.50kgs / 51.81lb Carton Size 38cm * 32cm * 27cm / 14.96inch * 12.6inch * 10.63inch Loading Container 20GP: 812 cartons * 30 pcs = 24360 pcs 40HQ: 1885 cartons * 30 pcs = 56550 pcs

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1. WiFi connection, temperature, humidity, carbon dioxide, buzzer alarm, Tuya Smart2. When the carbon dioxide concentration reaches the preset value, the buzzer will alarm3. Applicable to a variety of scenarios, real-time monitoring, in the car, public places, offices, bedrooms4. Back hook, easily fixed in the air5. Temperature/humidity dual detection, cold, warm, dry and wet, clear at a glance6. Temperature range: -10 to 40 degrees Celsius7. Measuring range: 40 square meters8. Battery capacity: 2400mah9. Power supply mode: TYPE-C/USB-C charging/built-in lithium battery10. Charging voltage: 5V/1A11. Dimensions: 98 x 90 x 40mmManual calibration:1. Press and hold three keys at the same time in the off state2. Enter the calibration state, and the screen will display a 200-second countdown3. Calibration is successfulSpecification: Package Weight One Package Weight 0.32kgs / 0.71lb One Package Size 14cm * 10cm * 5cm / 5.51inch * 3.94inch * 1.97inch Qty per Carton 96 Carton Weight 30.00kgs / 66.14lb Carton Size 50cm * 50cm * 60cm / 19.69inch * 19.69inch * 23.62inch Loading Container 20GP: 177 cartons * 96 pcs = 16992 pcs 40HQ: 412 cartons * 96 pcs = 39552 pcs

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1. Material: ABS2. PM2.5 detection range: 0-999ug/m33. PM10 detection range: 0-999ug/m34. HCHO detection range: 0-9.999mg/m35. TVOC detection range: 0-9.999mg/m36. Carbon monoxide detection range: 0-1000PPM7. Carbon dioxide detection range: 0-5000PPM8. Power supply: 1 lithium battery, 1200mAh (included)9. Applicable temperature: -1~+70 degrees Celsius10. Working voltage: 5V11. Charging interface: TYPE-C12. With a large display screen, the detection data can be seen more clearly, and the results can be obtained easily13. The size of the display is small, you can use it on the desk without taking up too much desk space, and it is also portable and can be used on the wall14. Adopt infrared detection technology, detection technology and electrochemical detection technology to display accurate data15. Four-color alarm: green means good air quality, yellow, orange, red means poor air quality16. Color full-view LCD screen, display real-time test value, battery power and other data in one interface17. Infrared sensor can accurately track air quality, including PM2.5, PM10, HCHO, TVOC, CO and CO218. Suitable for bedroom, living room, kitchen, office, car, school, hotel, camping and other environments19. Comprehensive detection of pollutants and harmful substances in the environment to protect your family from harm20. Equipped with high-quality temperature sensor and humidity sensor, the detection is fast and accurate21. Easy to operate, it can work and detect automatically without calibration after starting up22. Dimensions: Approx. 90x35x70mm23. Net weight: 140 gramsSpecification: Package Weight One Package Weight 0.20kgs / 0.44lb One Package Size 12cm * 12cm * 5cm / 4.72inch * 4.72inch * 1.97inch Qty per Carton 146 Carton Weight 30.00kgs / 66.14lb Carton Size 50cm * 50cm * 60cm / 19.69inch * 19.69inch * 23.62inch Loading Container 20GP: 177 cartons * 146 pcs = 25842 pcs 40HQ: 412 cartons * 146 pcs = 60152 pcs

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1. The color indication of the air quality level is more intuitive2. Track the hazard degree of harmful gases and grasp the health status of the environment3. Semiconductor, infrared, electrochemical detection technology, long standby, alarm prompt, real-time detection4. The shell is hard and not easy to break5. 24-hour continuous monitoring of air quality6. Measuring medium: PM2.5, PM10, HCHO, TVOC, CO, CO2, AQI7. Battery capacity: 1500mah8. Power supply mode: USB charging/built-in lithium battery9. Applicable occasions: home, office, confined space, kindergarten10. Function: detect polluted gas/temperature and humidity11. Size: 70x30x157mmSpecification: Package Weight One Package Weight 0.50kgs / 1.11lb One Package Size 10cm * 5cm * 18cm / 3.94inch * 1.97inch * 7.09inch Qty per Carton 100 Carton Weight 50.00kgs / 110.23lb Carton Size 60cm * 40cm * 36cm / 23.62inch * 15.75inch * 14.17inch Loading Container 20GP: 308 cartons * 100 pcs = 30800 pcs 40HQ: 716 cartons * 100 pcs = 71600 pcs

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1. One EMF Tester with two uses, testing the electric field and the magnetic field radiation at the same time.2. Measure radiation of high voltage power lines, appliances, electrical wires.3. Sound-light alarm, when the test result exceeds the safe value, the instrument will alarm automatically.4. Data hold and max measurement, one-key lock the radiation value.5. Large & clear LCD display of the values for easy reading.6. Easy to operate with easy one-hand operation, easy to carry and make field measurement.7. Can measure the environment temperature with 2 temperature units (C/F).8. Electric field strength range: 0~1999V/m9. Electric field strength resolution: 1V/m10. Magnetic field strength frequency range: 20Hz~300Hz11. Electric field strength frequency range: 20Hz~3500MHz12. Power Supply: 3 x 1.5V AAA battery (Not included)Specification: Package Weight One Package Weight 0.20kgs / 0.45lb One Package Size 20cm * 8cm * 3.5cm / 7.87inch * 3.15inch * 1.38inch Qty per Carton 100 Carton Weight 21.00kgs / 46.30lb Carton Size 42cm * 42cm * 37cm / 16.54inch * 16.54inch * 14.57inch Loading Container 20GP: 408 cartons * 100 pcs = 40800 pcs 40HQ: 948 cartons * 100 pcs = 94800 pcs

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1. Simultaneous detection of three parameters, radio frequency strength/electric field strength/magnetic field strength2. Sound alarm, screen lock/data lock, backlight on, radiation level evaluation, battery power indicator, average/peak value switch3. Use three colors to indicate the radiation level, reminding you whether the current radiation level is safe4. This product is widely used in kitchens, high-voltage equipment, homes, offices, factories, etc.5. Small, light, portable, built-in high-precision chips, practical and reliable to use6. With a large and clear color screen and large and colorful font design, it can easily cope with dim and bright environments, giving you a more comfortable experience7. Equipped with the current radiation level grading function, 3 different colors correspond to different current radiation levels, which can understand the current environment more accurately and graphically8. There is a sound alarm function, when the detected data exceeds the standard, the buzzer will sound an alarm, and there is a mute button to turn off the sound9. Resolution: 0.0110. Measurement object: electric field, magnetic field, high frequency11. Power supply mode: 3 AA dry batteries (not included in the product)12. Display size: 66x49mm13. Dimensions: 127 x 65 x 23mm14. Net weight: 130gexamination range:1. RF/power density: 0-99.999 microwatts/square centimeter2. Magnetic field strength: 0-99.999μT3. Electric field strength: 0-999.99v/mFrequency Range:1. RF/power density: 50MHz-5GHz2. Magnetic field strength: 20Hz-1MHz3. Electric field strength: 20Hz-100MHzSpecification: Package Weight One Package Weight 0.24kgs / 0.52lb One Package Size 14cm * 9cm * 4cm / 5.51inch * 3.54inch * 1.57inch Qty per Carton 160 Carton Weight 3.50kgs / 7.72lb Carton Size 60cm * 40cm * 40cm / 23.62inch * 15.75inch * 15.75inch Loading Container 20GP: 277 cartons * 160 pcs = 44320 pcs 40HQ: 644 cartons * 160 pcs = 103040 pcs

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One detector with two uses, it can test the electric field and the magnetic field radiation at the same time.When the test result exceeds the safe value, the instrument will alarm automatically.Data hold and clear LCD display, one-key can lock the radiation value and easily read the value.Radiation assessment can remind you whether the radiation value is safe.Easy to use and operate, easy to move or for on-site measurements.Electromagnetic radiation monitoring: household and appartment, office, outdoor and industrial site.Electromagnetic radiation test: mobile phone, computer, TV set, refrigerator and high voltage cable radiation test.Radiation protection product test: test effects of radiation-proof clothes, radiation-proof film and other prevention articles.Equipped with a built-in electromagnetic radiation sensor, which can display the radiation value on the clear LCD digital display after processing by control micro-chip.Specification: Package Weight One Package Weight 0.17kgs / 0.37lb One Package Size 15cm * 7.6cm * 3.7cm / 5.91inch * 2.99inch * 1.46inch Qty per Carton 110 Carton Weight 15.00kgs / 33.07lb Carton Size 69cm * 35cm * 17cm / 27.17inch * 13.78inch * 6.69inch Loading Container 20GP: 649 cartons * 110 pcs = 71390 pcs 40HQ: 1507 cartons * 110 pcs = 165770 pcs

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Functional characteristicsElectromagnetic radiation detector has the following characteristics1. Two uses of a detector, simultaneous detection of electric and magnetic field radiation.2. Color screen display.3. Sound and light alarm, automatic alarm4. One data is locked. Press one button to lock the radiation value.5.LCD graphic display radiation value trendSpecification: Package Weight One Package Weight 0.27kgs / 0.59lb One Package Size 18cm * 12.5cm * 5.4cm / 7.09inch * 4.92inch * 2.13inch Qty per Carton 70 Carton Weight 15.00kgs / 33.07lb Carton Size 70cm * 49cm * 21cm / 27.56inch * 19.29inch * 8.27inch Loading Container 20GP: 370 cartons * 70 pcs = 25900 pcs 40HQ: 859 cartons * 70 pcs = 60130 pcs

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1. Material: ABS housing 2. Features: Testing gauss, keep you away from radiation , good for your health 3. Special Functions: 5-LED indicators, each represent different value of radiation; Easy to use; Powered by 1 x 9V (included) 4. Application Monitoring: 50/ 60Hz frequency 5. Other: Dark green 0 to 1.5 milliGauss; Light green 1.5 to 2.5 milliGauss; Yellow 2.5 to 10 milliGauss; Orange 10 to 20 milliGauss; Red 20+ milliGauss 6. Size: 14.3 x 5.3 x 2.9cmSpecification: Package Weight One Package Weight 0.13kgs / 0.28lb One Package Size 20.5cm * 6.5cm * 5cm / 8.07inch * 2.56inch * 1.97inch Qty per Carton 100 Carton Weight 13.00kgs / 28.66lb Carton Size 52cm * 43cm * 35cm / 20.47inch * 16.93inch * 13.78inch Loading Container 20GP: 340 cartons * 100 pcs = 34000 pcs 40HQ: 791 cartons * 100 pcs = 79100 pcs

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1. Voltage measurement (EU/UK Plug): 30V~250V2. Voltage measurement (US Plug): 30V~120V3. RCD test (EU/UK Plug): 30mA4. RCD working voltage: 220V5. RCD (GFCI US Plug) Test: 5mA6. RCD (GFCI) working voltage: 110V7. Judgment of wiring status: seven types8. Display: full backlit LCD screen9. Status Indicator: Red and Green10. Date storage: 20 groups11. Low battery indicator: yes12. Working temperature: 0~40 degrees Celsius13. Battery: 2 x CR2032 (not included)14. Quickly and intelligently measure whether the socket connection line is correct15. Through the full backlit screen, it can clearly display various wiring status even in the dark environment, with small size and light weight, the use process is very easy and pleasant16. AC voltage can be accurately measured and displayed on the screen in real time17. AC voltage measurement range is 30V-250V18. Designed with RCD/GFCI test button, one key to know the working status of the leakage protector, very suitable for protecting your safety from the risk of electric shock19. Data storage function, convenient to record voltage at different times or in different environments, can store 20 groups20. Widely used in electrical maintenance testing, office socket testing, power strip testing and wall socket testing in schools, laboratories, factories and other social fields21. Weight: 86 gramsSpecification: Package Weight One Package Weight 0.10kgs / 0.23lb One Package Size 10cm * 8cm * 9cm / 3.94inch * 3.15inch * 3.54inch Qty per Carton 288 Carton Weight 30.00kgs / 66.14lb Carton Size 50cm * 50cm * 60cm / 19.69inch * 19.69inch * 23.62inch Loading Container 20GP: 177 cartons * 288 pcs = 50976 pcs 40HQ: 412 cartons * 288 pcs = 118656 pcs

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1. The D52-2058 rail-type digital display multi-function meter simultaneously displays the measured AC voltage, AC current, power factor, active power, frequency, and electrical energy (electricity) on the meter.2. Please check AC80-300V for measuring 110V 220V voltage, and 200-450V for measuring 380V voltage3. Measurement accuracy: 1% +/- 2 words4. Display: 4-digit red 0.31-inch LED digital tube for voltage display, 5-digit red 0.31-inch LED digital tube for current and frequency display, 5-digit green 0.31-inch LED display for active power and electrical energy (electricity) Digital Tube5. Measurement range: AC voltage: AC80. 0-300. 0V, AC200. 0-450. 0V, AC current: AC0-100. 0A, the current display resolution is 0. 01A when the measurement current is less than 100A, and the measurement current is greater than 0.01A At 100A, the current display resolution is 0.1A, and the range is automatically converted.6. Active power: (measurement voltage AC80. 0-300. 0V) 0.0-30000W (AC200. 0-450. 0V: 45000W)7. Electric energy: 0. 000-99999kwh, decimal point automatic conversion8. Power frequency: 45. 00-65. 00HZ9. Power factor: 1.000-0. 00010. Measurement speed: about 2 times per second11. Weight: 145g12. Installation width: the instrument occupies the 3P air switch position (DZ47/C45)14. Installation method: track typeSpecification: Package Weight One Package Weight 0.20kgs / 0.45lb One Package Size 10cm * 12cm * 8cm / 3.94inch * 4.72inch * 3.15inch Qty per Carton 146 Carton Weight 30.00kgs / 66.14lb Carton Size 50cm * 50cm * 60cm / 19.69inch * 19.69inch * 23.62inch Loading Container 20GP: 177 cartons * 146 pcs = 25842 pcs 40HQ: 412 cartons * 146 pcs = 60152 pcs

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1. It can measure and display 6 parameters such as AC voltage, AC current, active power, power factor, frequency and electric energy at the same time\2. The instrument display part adopts color high-definition LCD screen3. Auto-save function: When the power is off, the meter will automatically save the current energy value, and the meter will read the value after the next power-on, and continue to accumulate4. Measurement speed: about 2 times/second5. Dimensions: 79x43x48mmMeasuring range:1. AC voltage: AC80.0-300.0V, or AC200.0-450.0V2. AC current: AC0－99.99A, the current display resolution is 0.01A, when it exceeds 100A, it displays 100.0A3. Power frequency: 45.0Hz-65.0Hz4. Power factor: 0.00-1.00PF5. Active power: The measurement range is 0-45000W (the display resolution between 0-9999.9W is 0.1W, the rest is 1W)6. Electric energy: The measuring range is 0-99999kwhHow to use and connect1. Connect according to the wiring diagram in the attached picture, connect the secondary end of the current transformer with the instrument (green lead) to the blue terminal of the instrument, and pass the wire of the measurement loop through the middle round hole of the current transformer2. Connect the voltage measurement lead to the green terminal of the meter; then connect the measurement voltage; start reading the measurement results3. After the power is turned on, the meter displays the measured value4. Press and hold the reset button on the front panel of the instrument for 5 secondsSpecification: Package Weight One Package Weight 0.12kgs / 0.25lb One Package Size 10cm * 6.5cm * 6.5cm / 3.94inch * 2.56inch * 2.56inch Qty per Carton 98 Carton Weight 30.00kgs / 66.14lb Carton Size 46cm * 30cm * 30cm / 18.11inch * 11.81inch * 11.81inch Loading Container 20GP: 644 cartons * 98 pcs = 63112 pcs 40HQ: 1495 cartons * 98 pcs = 146510 pcs

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1. High precision, high reliability, suitable for high-end applications 2. Small size, can display voltage and current at the same time 3. Reverse connection protection, reverse connection will not burn, using common ground design 4. Anti-collision design with shell, more durable 5. Adopt industry standard size, more convenient to install 6. Ambient temperature: -15 to 70 degrees Celsius 7. Measuring voltage: DC0-100V, 50A 8. Working voltage: DC4.5-30V 9. Working air pressure: 80-106kpa 10. Working current: less than or equal to 20 mA 11. Precautions: Because the meter head adopts a common ground design, that is, the ground wire of the measuring end is the same as the ground wire of the electrical end, so it can only be connected between the negative pole of the device under test and the negative pole of the power supply. 12. Dimensions: 48 x 29 x 21cm 13. Weight: about 15gSpecification: Package Weight One Package Weight 0.05kgs / 0.12lb One Package Size 8cm * 4cm * 4cm / 3.15inch * 1.57inch * 1.57inch Qty per Carton 500 Carton Weight 27.00kgs / 59.52lb Carton Size 50cm * 50cm * 54cm / 19.69inch * 19.69inch * 21.26inch Loading Container 20GP: 197 cartons * 500 pcs = 98500 pcs 40HQ: 458 cartons * 500 pcs = 229000 pcs

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Features1. GY-K1S is a high-precision battery power display meter, which accurately displays the battery power percentage, capacity, current, and voltage by means of current calculation (coulomb counter). 2. The GY-K1S coulomb meter is not limited by the type of battery. It can be used on any battery with a battery voltage of 8-120V. It can accurately grasp the working status of the battery in time; especially for loads with large current fluctuations and intermittent work. The use of high-current loads is very effective, such as various electric vehicles, sweepers, electric forklifts, and equipment with high-power motors. 3. The power is displayed by liquid crystal, which is clearer and more power-saving 4. Applicable to any battery, battery pack or device, such as lead-acid battery, water battery, Lithium batteries, lithium iron phosphate batteries, nickel-cadmium batteries, nickel-hydrogen batteries, etc. 5. Support capacity setting, support reset battery voltage value setting 6. Turn on and off the display manually, and automatically turn on and off the display when the current is detected 7. 10 seconds delay automatic sleep function, can withstand ultra-wide voltage inputSpecifications1. Operating voltage: 8.0 ~ 120.0 VDC, typical value 60 VDC 2. Working power consumption: 3.0~ 5.0 mA, normal value 4.0 5.0 3. Sleep power consumption: 100~ 350 uA, normal value 300 uA 4. Battery Resolution: 0.1 % 5. Voltage resolution: 0.1 V 6. Current resolution: 0.1 Ah 7. Capacity Resolution: 0.1 A 8. Voltage accuracy: +/-0.5 % 9. Current accuracy; +/-00.5 % 10. Capacity accuracy: +/-01% % 11. Battery capacity setting: 0.1 999Ah 12. Auto sleep current value: 30~ 50 mA, normal value 40 mA 13. Auto-on current value: 30~ 80 mA, normal value 50 mA 14. Meter size; 61.3 x 33.3x 13.5 mm 15. Hole size: 58.5 x 28.5 mm 16. Operating temperature: -10~50 degree CSpecification: Package Weight One Package Weight 0.10kgs / 0.23lb One Package Size 15cm * 12cm * 3cm / 5.91inch * 4.72inch * 1.18inch Qty per Carton 100 Carton Weight 11.00kgs / 24.25lb Carton Size 42cm * 32cm * 32cm / 16.54inch * 12.6inch * 12.6inch Loading Container 20GP: 620 cartons * 100 pcs = 62000 pcs 40HQ: 1439 cartons * 100 pcs = 143900 pcs

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1. Scope of application: can test 74ch series, osmo series, cd4000 series, hef400 series, 4500 series, operational amplifiers, interface chips, optocouplers, automatic transistor identification, voltage regulator voltage identification2. Integrate more than 1,300 types of chip data models and more than 420 types of transistor data models, covering most common general-purpose devices within 24 pins, which can greatly reduce maintenance workload and improve work efficiency3. Press the Enter key to turn on the machine for the first time and automatically run a self-test. The self-test detects the battery voltage and displays it on the screen after more than two seconds. When the battery voltage is lower than 7v, replace the battery to ensure the measurement accuracy. If If there is no alarm, the measurement work can be started4. Nativead 10 ad, the theoretical resolution of 5v voltage is 0.0048v5. Due to the use of batteries for power supply, it is not suitable for measuring high-power thyristors6. The Zener value must be based on the actual measurement, not just the nominal value7. The default directory for initialization is the search directory8. Different test modes: 5v mode, 3.3v mode, auto mode9. There are seven buttons on the panel, which are respectively used for up, down, left, right and typing keys and hotkeys o, p10. The up and down keys are used to adjust the catalog and change the model, and the left and right keys are used to move the cursor left and right to select the item to be changed11. The input key is used to change the machine and execute the test command12. Use two AA 1.5v batteries (not included), press Enter for more than 2 seconds to turn on the machine, and the current battery voltage will be displayed automatically when the machine is turned on. When the battery power is too low, replace the battery. Too low voltage will affect the reliability of the test results. and automatic shutdown protection13. After 60 seconds without any operation, it will automatically shut down14. Test socket: SOP16 narrow body, SOP20 medium body, SOP24 wide bodyThe device positioning method is as follows:1. Place the chip and optocoupler on the top of the alignment, and the 1-pin ic alignment seat2. The triode on the left, mostly three slots3. The 13 and 14 pins of the ic regulator are placedNote: Transistor display pin sequence from left to right corresponds to 10-foot, 11-foot, 12-foot ic block (not built-in battery or adapter)Specification: Package Weight One Package Weight 0.18kgs / 0.39lb One Package Size 15cm * 10cm * 4cm / 5.91inch * 3.94inch * 1.57inch Qty per Carton 188 Carton Weight 30.00kgs / 66.14lb Carton Size 50cm * 50cm * 60cm / 19.69inch * 19.69inch * 23.62inch Loading Container 20GP: 177 cartons * 188 pcs = 33276 pcs 40HQ: 412 cartons * 188 pcs = 77456 pcs

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1. Operating voltage: 90-250V / 45-65Hz 2. Phase voltage: 90-250V / 45-65Hz 3. Leakage voltage: 0-99V / 45-65Hz 4. Operating temperature: 0-40 degree Celsius 5. Operating humidity: 20-75%RH 6. Storage temperature: -10~50 degree Celsius 7. Storage humidity: 20-80%RH 8. Altitude: less than 2000m 9. RCD test: more than 30mA 10. RCD working voltage: 220V 11. GFCI test: more than 5mA 12. GFCI working voltage: 110V Specification: General Certificate EMC Package Weight One Package Weight 0.12kgs / 0.26lb One Package Size 8.2cm * 7.3cm * 7.3cm / 3.23inch * 2.87inch * 2.87inch Qty per Carton 120 Carton Weight 14.00kgs / 30.86lb Carton Size 42cm * 38cm * 38cm / 16.54inch * 14.96inch * 14.96inch Loading Container 20GP: 439 cartons * 120 pcs = 52680 pcs 40HQ: 1020 cartons * 120 pcs = 122400 pcs

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1. Flame-retardant material, one-time molding, using environmentally friendly flame-retardant materials, safe and secure2. Save electricity and worry, use electricity reasonably, and live a low-carbon life3. Operating environment: -10 to 60 degrees Celsius4. Display mode: HTB LCD 3 rows 3 digits5. Working current: less than 15mA6. Power supply voltage: 7-12V7. Measurable voltage range: DC 0-50V / DC 0-100V8. Measurable current range: 0-5A / 0-10A9. Measurable power range: 0-250W10. Refresh speed: 300ms/time11. Size: 79.5 x 43 x 13MMSpecification: Package Weight One Package Weight 0.15kgs / 0.34lb One Package Size 10cm * 6cm * 3cm / 3.94inch * 2.36inch * 1.18inch Qty per Carton 194 Carton Weight 30.00kgs / 66.14lb Carton Size 57cm * 34cm * 17cm / 22.44inch * 13.39inch * 6.69inch Loading Container 20GP: 809 cartons * 194 pcs = 156946 pcs 40HQ: 1878 cartons * 194 pcs = 364332 pcs

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1. Flame-retardant material, one-time molding, using environmentally friendly flame-retardant materials, safe and secure2. Save electricity and worry, use electricity reasonably, and live a low-carbon life3. Operating environment: -10 to 60 degrees Celsius4. Display mode: HTB LCD 3 rows 3 digits5. Working current: less than 15mA6. Power supply voltage: 7-12V7. Measurable voltage range: DC 0-50V / DC 0-100V8. Measurable current range: 0-5A / 0-10A9. Measurable power range: 0-250W10. Refresh speed: 300ms/time11. Size: 79.5 x 43 x 13MMSpecification: Package Weight One Package Weight 0.15kgs / 0.34lb One Package Size 10cm * 6cm * 3cm / 3.94inch * 2.36inch * 1.18inch Qty per Carton 194 Carton Weight 30.00kgs / 66.14lb Carton Size 57cm * 34cm * 17cm / 22.44inch * 13.39inch * 6.69inch Loading Container 20GP: 809 cartons * 194 pcs = 156946 pcs 40HQ: 1878 cartons * 194 pcs = 364332 pcs

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1. Material: environmentally friendly flame retardant material2. Voltage range: AC50-300V3. Current range: 0-20A4. Power range: 0-30KW5. Timing range: 0-200H6. Temperature range: 10 degrees to 99 degrees7. Electric energy range: 0.01-19999Kwh8. Full viewing angle color LCD screen, 360 degrees without dead angle9. Reinforced nylon material, all-round buckle design, stable installation10. Using APM processor to intelligently calculate data11. The open-close transformer has buckles for easy disassembly and assembly12. Using environmentally friendly flame-retardant materials, delicate and comfortableSpecification: Package Weight One Package Weight 0.10kgs / 0.23lb One Package Size 10cm * 5cm * 3cm / 3.94inch * 1.97inch * 1.18inch Qty per Carton 400 Carton Weight 41.00kgs / 90.39lb Carton Size 42cm * 52cm * 32cm / 16.54inch * 20.47inch * 12.6inch Loading Container 20GP: 381 cartons * 400 pcs = 152400 pcs 40HQ: 885 cartons * 400 pcs = 354000 pcs

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1. Material: PC flame retardant material2. Voltage range: 50-300V3. Current range: 0-20A4. Power range: 0-4.4KW5. Timing range: 0.1-9996. Temperature range: -20 degrees to 150 degrees7. Frequency: 50-60HZ8. Full viewing angle color LCD screen, 360 degrees without dead angle9. PC flame retardant material, all-round buckle design, stable installation10. Using professional metering chips to intelligently calculate dataSpecification: Package Weight One Package Weight 0.10kgs / 0.23lb One Package Size 10cm * 5cm * 3cm / 3.94inch * 1.97inch * 1.18inch Qty per Carton 240 Carton Weight 23.76kgs / 52.38lb Carton Size 42cm * 32cm * 32cm / 16.54inch * 12.6inch * 12.6inch Loading Container 20GP: 620 cartons * 240 pcs = 148800 pcs 40HQ: 1439 cartons * 240 pcs = 345360 pcs

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1. Large LCD display for easy reading. 2. Measure voltage, frequency, current, power factor, wattage, minimum & maximum power and record cumulative kilowatt-hour, time and electricity expenses. 3. Seven display modes, transferred by pressing "FUNCTION". 4. Overload warning displayed on LCD. 5. Resetting for abnormal display or no-response of button. 6. Easy electricity price setting.Specification: General Material Plastic, Metal Input Voltage AC 230V Input Current 16A MAX Size 15.5*7.3*7.5cm Weight 200g Package Weight One Package Weight 0.22kgs / 0.49lb One Package Size 17cm * 8cm * 7.5cm / 6.69inch * 3.15inch * 2.95inch Qty per Carton 50 Carton Weight 14.70kgs / 32.41lb Carton Size 45cm * 40cm * 30cm / 17.72inch * 15.75inch * 11.81inch Loading Container 20GP: 493 cartons * 50 pcs = 24650 pcs 40HQ: 1146 cartons * 50 pcs = 57300 pcs

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1.Cumulative Kilowatt-Hour Monitor 2.Large LCD display 3.Power factor 4.Forecast Your Costs 5.Displays volts, amps and wattage within 3% accuracySpecification: General Material Plastic, Metal Input Voltage AC 240V Size 15.5*7.3*6.7cm Weight 185g Package Weight One Package Weight 0.25kgs / 0.55lb One Package Size 16cm * 8.5cm * 8cm / 6.3inch * 3.35inch * 3.15inch Qty per Carton 50 Carton Weight 12.70kgs / 28.00lb Carton Size 45cm * 40cm * 30cm / 17.72inch * 15.75inch * 11.81inch Loading Container 20GP: 493 cartons * 50 pcs = 24650 pcs 40HQ: 1146 cartons * 50 pcs = 57300 pcs

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Product specifications1. Temperature:Temperature measurement range: -30 ° C ~ 250 ° C2. Resolution: 0.1 ° C / 0.1 ° F3. Accuracy level: ± 2 ° C4. Response time response time <1 second5. Distance ratio: (D: S) 1:16. Emissivity: 0.95NCV:1. Measurement range: 12~1000VAC2. Measurement frequency: 50Hz / 60Hz3. Safety standards: CA.III 1000V / CAI.IV 600V, CE4. Product size; 152x25x28mm5. Battery: 2xAAA 1.45V (without battery) Package Included1 non-contact AC voltage detector (without battery)1 x English manualSpecification: Package Weight One Package Weight 0.08kgs / 0.18lb One Package Size 8.3cm * 3.6cm * 3.2cm / 3.27inch * 1.42inch * 1.26inch Qty per Carton 200 Carton Weight 15.00kgs / 33.07lb Carton Size 47cm * 20cm * 18cm / 18.5inch * 7.87inch * 7.09inch Loading Container 20GP: 1576 cartons * 200 pcs = 315200 pcs 40HQ: 3658 cartons * 200 pcs = 731600 pcs

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Product description:1. Name: capacitance meter test dice2. Clip distance: 13 mm3. Overall length: 66 cm4. Line length: 47 cm5. Weight: 51 grams6. Safe withstand voltage: =< 250V7. High and low temperature resistance conditions: -10 degree C ~ 40 degree C, CAT II1000V 2AFeatures:1. High-voltage resistant wire, strong anti-wrap line2. Ergonomic design, non-slip design, easy to operate with one hand, two-point test3. Suitable for measuring patch components, testing resistance, capacitance, inductance, etc.4. It is the best partner for inductance and capacitance meter, LCR bridge meter, etc.5. The plug is equipped with a dust plug to prevent dust and foreign matter from entering.Specification: Package Weight One Package Weight 0.10kgs / 0.23lb One Package Size 18cm * 10cm * 3cm / 7.09inch * 3.94inch * 1.18inch Qty per Carton 288 Carton Weight 30.00kgs / 66.14lb Carton Size 50cm * 50cm * 60cm / 19.69inch * 19.69inch * 23.62inch Loading Container 20GP: 177 cartons * 288 pcs = 50976 pcs 40HQ: 412 cartons * 288 pcs = 118656 pcs

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Description:1. Type: digital voltage measuring instrument2. Voltage: 4-30V3. Current: 0-5.1A4. Power: 0-155W5. Internal temperature: 0-80 degrees6. Timing: 0-99 hours7. Grouping: Groups 0-98. Ambient temperature: 50 (degree C)9. Size: 5.3x2.6 cmFeatures:1. Real-time monitoring, safe and reliable, timekeeping, sleeping at night is no longer overheated, voltage monitoring does not damage the battery, both front and back can be inserted2. Quickly double-click the button to rotate the display for easy viewing.3. Safety plugs can be used as long as they are USB-C/Type-C interfaces, such as notebooks, various mobile phone charging plugs, desktop computers, etc.4. Rejects oxidation and rust, suitable for a variety of environments, aluminum alloy joints, precision built. Effectively avoid oxidation and rust5. Strong interface, sensitive contact, aluminum alloy material, built-in aluminum alloy plate, anti-friction and anti-rust for many times6. Clear screen. The charging speed is clear at a glance. With the USB monitor, the status when charging is clear and the numbers are clearly visible.Specification: Package Weight One Package Weight 0.05kgs / 0.11lb One Package Size 13cm * 5cm * 3cm / 5.12inch * 1.97inch * 1.18inch Qty per Carton 500 Carton Weight 23.00kgs / 50.71lb Carton Size 50cm * 50cm * 46cm / 19.69inch * 19.69inch * 18.11inch Loading Container 20GP: 231 cartons * 500 pcs = 115500 pcs 40HQ: 538 cartons * 500 pcs = 269000 pcs

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1. Display: 0.96 inch color LCD display2. Voltage measurement range: 3.70-30.00V, voltage measurement resolution: 0.01V3. Current measurement range: 0-4.000, current measurement resolution: 0.001A4. Capacity accumulation range: 0-99999mAh5. Voltage measurement accuracy: - /+ (0.8% + 4 digits at 25 degrees Celsius)6. Energy accumulation range: 0-99999mWh 999.99Wh current 7.7. Measurement accuracy: - /+ (1% + 4 digits, at 25 degrees Celsius)8. Load impedance range: 1Ω-9999.9ohm9. Power measurement range: 0-120W10. Temperature range: -0 ~ 80 degrees Celsius11. Temperature measurement error: +/- 3 degrees Celsius12. Operating temperature range: 0 ~ 45 degrees Celsius13. Product size: 50mmx19mmx9mm14. Refresh rate: 2Hz15. Product weight: 7g (with packaging 14g)16. Fast charging recognition mode: QC2.0, QC3.0, APPLE 2.4A / 2.1A / 1A / 0.5A, Android DCP, SAMSUNG17. Note:- The product current only flows from the male connector to the female connector (unidirectional current), the reverse current is still charged, but the current is displayed as 0. Please note when using.- If you use our TC64 meter to connect to the phone, you must have a PD charger or a converter cable.- Type-C port is a full-featured port, supports Type-C fast charging, supports almost all Type-C devices, but does not support Type-C identity resistance (no Type-C trigger)Specification: Package Weight One Package Weight 0.05kgs / 0.11lb One Package Size 10cm * 8cm * 5cm / 3.94inch * 3.15inch * 1.97inch Qty per Carton 500 Carton Weight 23.00kgs / 50.71lb Carton Size 50cm * 50cm * 46cm / 19.69inch * 19.69inch * 18.11inch Loading Container 20GP: 231 cartons * 500 pcs = 115500 pcs 40HQ: 538 cartons * 500 pcs = 269000 pcs

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1. Material: ABS/PC flame retardant material, copper nickel plated2. Weight: About 35 grams3. Size: About 3.7x2.6x8 cm4. Measuring range: 110-125V5. Purpose: Safety detection of power leakage socket6. Features: Flame retardant material, safety protection, six loop detection, 3 neon light prompts, plug and play, convenient testingSpecification: Package Weight One Package Weight 0.05kgs / 0.11lb One Package Size 14cm * 9cm * 3cm / 5.51inch * 3.54inch * 1.18inch Qty per Carton 100 Carton Weight 6.00kgs / 13.23lb Carton Size 47cm * 32cm * 30cm / 18.5inch * 12.6inch * 11.81inch Loading Container 20GP: 591 cartons * 100 pcs = 59100 pcs 40HQ: 1372 cartons * 100 pcs = 137200 pcs

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1. Input voltage: DC 6-36V2. Output voltage: DC 0.6-36V3. Output current: 0-5A4. Output power: 80W5. Voltage resolution: 0.01V6. Current resolution: 0.001A7. Hardware protection: Output short circuit protection8. Software protection: OVP/OCP/OPP/OTP/LVP/OEP9. Application: Used as an ordinary buck-boost power supply with overvoltage/overcurrent/overpower/overtemperature/undervoltage protection, with constant current function, can charge rechargeable batteries within 0.6-36V, and can directly drive 0.6 -36V LED light10. Size: About 7.9x4.2x4.2 cm11. Weight: About 104 gramsFeatures:1. Using 1.44 inch LCD high-definition liquid crystal display, one screen displays voltage/current/power and other data2. 160 degree wide viewing angle, high brightness, durable. Rotary coding potentiometer button (aluminum knob cap, good operation feel)3. The screen supports four-way rotation to meet slotting installation in different orientations. Long press the ON/OFF button for 2 seconds to realize the four-way rotation of the screen4. The foreground and background colors can be switched at will, 64 colors can be selected, freely collocation5. With night screen mode, you can set the screen after 1-10 minutes, and wake up by any key6. One-piece frosted panel, aluminum alloy knob cap, good operation feel7. Intelligent temperature control fan, thick heat sink, two-way ventilation, good heat dissipation effect8. Dual inductance design, high-power and high-temperature resistant, dual-wire parallel-winding sendust magnetic toroid inductanceSpecification: Package Weight One Package Weight 0.12kgs / 0.26lb One Package Size 12cm * 6cm * 2cm / 4.72inch * 2.36inch * 0.79inch Qty per Carton 200 Carton Weight 21.00kgs / 46.30lb Carton Size 42cm * 32cm * 32cm / 16.54inch * 12.6inch * 12.6inch Loading Container 20GP: 620 cartons * 200 pcs = 124000 pcs 40HQ: 1439 cartons * 200 pcs = 287800 pcs

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Features1. Made of high quality material, solid, durable and strong conductivity. 2. Large LCD can display input/output voltage, output current/output power/output capacity/output time, easy to read. 3. CNC adjustment is very accurate and fast, and it also can boost and step down voltage. Output voltage can be adjusted from 0.5-30v, while the current can be adjusted 0-4A as you desired. 4. It features anti-reverse connection protection of input end, which will not burn out, safe to use. 5. Anti-reverse irrigation at the output end, no additional anti-reverse irrigation diode is needed to charge the battery; 6. The module can be set to open/close by default, easy to use. 7. It has multiple software protection mechanisms are available, and the protection threshold is adjustable.When the working parameters of the module exceed the protection threshold, the output will be automatically closed. 8. Output ripple is small and PI filter is available. 9. Thicken radiator fins helps the module to dissipate heat quickly, long service life.Specification1. Input Voltage: 5.0-30v 2. Output Voltage: 0.5-30v 3. Output Current: It can work stably at 3A for a long time, and can reach 4A under enhanced heat dissipation. 4. Output Power: Natural heat dissipation 35W; Strengthen heat dissipation 50W 5. Voltage Display resolution: 0.01V 6. Current Display resolution: 0.001A 7. Conversion Efficiency: About 88% 8. Soft Start: Yes (The soft start may fail when it starts with high power and load module.) 9. Material: Fiber glass board, Electronic component 10. Size: 7.9 x 4.3 x 2.6cmProtection Mechanism1. Input Anti-reverse Connection; 2. Output Anti-reverse Irrigation; 3. Input Under voltage Protection (4.8-30V adjustable, default 4.8V) 4. Output Over voltage Protection (0.5-31V adjustable, default 31V) 5. Output Over current Protection 0-4.1A (adjustable, default 4.1A) 6. Overpower Protection (0-50W adjustable, default 50W) 7. Over temperature Protection (80-110 degree C adjustable, default 110 degree C) 8. Timeout Protection (0-100h adjustable, OFF by default) 9. Super Capacity Protection (0-60AH adjustable, OFF by default) 10. Operating Frequency: 180KHzSpecification: Package Weight One Package Weight 0.10kgs / 0.23lb One Package Size 12cm * 8cm * 7cm / 4.72inch * 3.15inch * 2.76inch Qty per Carton 200 Carton Weight 21.00kgs / 46.30lb Carton Size 50cm * 42cm * 37cm / 19.69inch * 16.54inch * 14.57inch Loading Container 20GP: 343 cartons * 200 pcs = 68600 pcs 40HQ: 796 cartons * 200 pcs = 159200 pcs

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1. 100% brand new and high quality. 2. Small and lightweight, easy to carry. 3. Display devices use high bright LED digital tube, stunning display effect. 4. With reverse polarity protection, reverse not burned. 5. The voltmeter only two wires, wiring simple and reliable performance. 6. Measuring Range: DC 2.5-30V. 7. Operation temperature: -10~65 degrees Celsius. 8. Red wire is connected to positive pole, and black wire to negative pole.Specification: Package Weight One Package Weight 0.04kgs / 0.09lb One Package Size 7cm * 3cm * 2.5cm / 2.76inch * 1.18inch * 0.98inch Qty per Carton 500 Carton Weight 15.00kgs / 33.07lb Carton Size 37cm * 32cm * 27cm / 14.57inch * 12.6inch * 10.63inch Loading Container 20GP: 834 cartons * 500 pcs = 417000 pcs 40HQ: 1936 cartons * 500 pcs = 968000 pcs

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Features1. Measure thickness of surface coatings on metal substrates 2. Single/continuous/differential measurement available 3. Zero-point/2-point/basic calibration available 4. Metric and imperial units of measurement optional 5. Powered by 2 x 1.5V AAA batteries (not included) 6. LCD backlight 7. Auto power offSpecifications1. Measuring range: 0 - 1.80mm (0 - 71.0 mil) 2. Resolution: 0.01mm/1mm 3. Measurement error: +-0.03mm 4. Lower diameter of substrate: 50mm 5. Lower thickness of substrate: 0.5mm 6. Operating temperature: 0 - 40 celsius degree 7. Operating humidity: 10% - 95% relative humiditySpecification: Package Weight One Package Weight 0.15kgs / 0.32lb One Package Size 20cm * 15cm * 6.5cm / 7.87inch * 5.91inch * 2.56inch Qty per Carton 40 Carton Weight 6.60kgs / 14.55lb Carton Size 62cm * 42cm * 34cm / 24.41inch * 16.54inch * 13.39inch Loading Container 20GP: 301 cartons * 40 pcs = 12040 pcs 40HQ: 699 cartons * 40 pcs = 27960 pcs

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1. Menu operation and color screen high-definition display. 2. It can quickly, non-destructively and accurately measure the thickness of the non-magnetic coating on the magnetic metal substrate and the thickness of the non-metal coating on the non-magnetic metal substrate. At the same time, it can automatically identify the magnetic metal substrate and the non-magnetic metal substrate. 3. Two measurement methods: single measurement and continuous measurement. 4. Three calibration modes: basic calibration, offset calibration, and zero calibration. Metric/English units and storage function. 5. Screen rotation, charging protection, multi-interface display, screen brightness selection. 6. Widely used in manufacturing, metal processing, chemical, commodity inspection and other testing fields. 7. Support USB and battery power supply. 8. Measuring range: 0-1500um/0-1.5mm/0-59mil 9. Lower limit diameter of magnetic metal substrate: 12mm 10. Lower limit thickness of magnetic metal substrate: 0.5mm 11. The lower limit radius of curvature of the magnetic convex substrate: 2mm 12. The lower limit radius of curvature of the magnetic concave substrate: 11mm 13. Lower limit diameter of non-magnetic metal substrate: 50mm 14. Lower limit thickness of non-magnetic metal substrate: 0.5mm 15. Battery: 3 x 1.2V Ni-MH battery or 5V 1A power adapter 16. Weight: 132g 17. Dimensions: 150 x 65 x 30mmSpecification: Package Weight One Package Weight 0.77kgs / 1.69lb One Package Size 29cm * 19cm * 9cm / 11.42inch * 7.48inch * 3.54inch Qty per Carton 10 Carton Weight 11.05kgs / 24.36lb Carton Size 52cm * 41cm * 32cm / 20.47inch * 16.14inch * 12.6inch Loading Container 20GP: 390 cartons * 10 pcs = 3900 pcs 40HQ: 907 cartons * 10 pcs = 9070 pcs

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1. Small and easy to carry, it can be used to measure jewelry, leather, metal plate, paper, film, wire and similar materials.2. Accurate measurement and easy operation3. Material: metal4. Color: silver5. Measuring range: 0-10mm6. Measurement accuracy: 0.1mmSpecification: Package Weight One Package Weight 0.20kgs / 0.45lb One Package Size 15cm * 18cm * 10cm / 5.91inch * 7.09inch * 3.94inch Qty per Carton 146 Carton Weight 30.00kgs / 66.14lb Carton Size 50cm * 50cm * 60cm / 19.69inch * 19.69inch * 23.62inch Loading Container 20GP: 177 cartons * 146 pcs = 25842 pcs 40HQ: 412 cartons * 146 pcs = 60152 pcs

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