Test Equipment

1. Display: 30x30mm, four-number display, maximum 19992. Measuring range: 0.1 to 200000LUX (0.01-20000FC)3. Measuring range: 200/2000/20000/200000LUX (20/200/2000/20000FC)4. Accuracy: +/-(4%+10dgts), calibrated with standard flat light with color temperature 2856K5. Resolution: LUX less than 200:0.1; LUX greater than or equal to 200:16. Sensor: Silicon photodiode with filter lens7. Sampling rate: 2 times per second8. Incident angle: 120 degrees9. Repeatability: +/-2%10. Spectral range: 400 to 700nm11. Automatic shutdown: 15 minutes without operation12. Working environment: -10 to 50 degrees Celsius, no more than 80% relative humidity, indoor altitude less than 2000m13. Storage temperature: -10 to 50 degrees Celsius, no more than 70% relative humidity14. Power supply: 2 x 1.5V AAA batteries (not included)15. Dimensions: 150x56x28mm16. Net weight: about 150g17. Connect to mobile phone via Bluetooth to record data, effective distance 10mSpecification: Package Weight One Package Weight 0.18kgs / 0.41lb One Package Size 21cm * 9cm * 5cm / 8.27inch * 3.54inch * 1.97inch Qty per Carton 40 Carton Weight 7.50kgs / 16.53lb Carton Size 42cm * 25cm * 37cm / 16.54inch * 9.84inch * 14.57inch Loading Container 20GP: 686 cartons * 40 pcs = 27440 pcs 40HQ: 1593 cartons * 40 pcs = 63720 pcs

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1. Current resistance: 20A2. Voltage resistance: 1000V3. Probe material: stainless steel (gold-plated)4. Configuration: handle x 2, probe x 45. Size: about 11.55cm6. Weight: about 77gFeatures:1. Gold-plated stainless steel probe, not easy to bend, no rust, durable, anti-oxidation2. Universal plug, suitable for most multimeters3. 150-strand pure copper core, all copper thickened, strong conductivity4. Two layers of insulation protection core, faster and more accurate data transmission5. Interchangeable needles, standard with a variety of needle types, can be freely replaced6. Soft silicone wire, high temperature resistance, antifreeze, strong tensile strength, strong overload current capacity7. Interchangeable special tip gold-plated stainless steel needle, tip 0.1/0.2mm, support a variety of measurements, etc.8. Soft plastic injection molding is used at the connection point to effectively prevent breakage9. The handle is made of insulating plastic, non-slip design, comfortable to holdSpecification: Package Weight One Package Weight 0.11kgs / 0.25lb One Package Size 21cm * 10cm * 4cm / 8.27inch * 3.94inch * 1.57inch Qty per Carton 70 Carton Weight 8.70kgs / 19.18lb Carton Size 50cm * 38cm * 23cm / 19.69inch * 14.96inch * 9.06inch Loading Container 20GP: 610 cartons * 70 pcs = 42700 pcs 40HQ: 1416 cartons * 70 pcs = 99120 pcs

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1. Measuring principle: Fe: magnetic induction / NFe: eddy current effect2. Measuring range: 0~2000um/0~2mm/0~78mil3. Accuracy: +/- (3%+1um) / +/- (3%+0.001mm) / +/- (0.117%+0.039mil)4. Resolution: Less than 100um (0.1um), ≥100um (1um); Greater than or equal to 2m (0.001mm); Less than 10mil (0.001mil); 10~78mil (0.01mil)5. Calibration: zero point calibration6. Unit: um, mm, mil7. Iron powder putty range: 0~1000um8. Iron galvanized range: 3~500um9. Minimum radius of curvature of substrate: convex surface 5mm; concave surface 25mm10. Minimum measurement area: 15mm diameter11. Minimum substrate thickness: Fe: 0.30mm; NFe: 0.05mm12. Maximum measurement speed: 2 times/second13. Display: four-digit display, maximum 8888, 180-degree rotation (automatic)14. Operating environment: -10~50 degrees Celsius, maximum 90% relative humidity, indoor altitude less than 2000m15. Storage environment: -20~60 degrees Celsius, maximum 70% relative humidity (remove batteries)16. Product size: 104 x 57 x 26mm17. Weight: about 70g (without batteries)18. Power supply: 2 x 1.5V AAAFeatures:1. Ruby probe is used to automatically identify the substrate. The probe mode can select automatic mode, iron-based mode and non-iron-based mode2. High-definition color display, 180-degree rotation, with background light3. Automatically shuts down after 50 seconds without any operation4. Small and portable, does not take up storage space, easy to carrySpecification: Package Weight One Package Weight 0.22kgs / 0.49lb One Package Size 17cm * 11cm * 5cm / 6.69inch * 4.33inch * 1.97inch Qty per Carton 60 Carton Weight 14.00kgs / 30.86lb Carton Size 50cm * 36cm * 36cm / 19.69inch * 14.17inch * 14.17inch Loading Container 20GP: 411 cartons * 60 pcs = 24660 pcs 40HQ: 955 cartons * 60 pcs = 57300 pcs

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1. Display: 23x23mm, four-digit display, max 88882. Temperature range: -32 to 400 degrees Celsius (-25.6 to 752 degrees Fahrenheit)3. Response time: less than 500ms4. Spectral response: 8um to 14um5. Optical resolution: 10:16. Laser: wavelength 650nm, input power less than 5mW, Class 3 laser7. Automatic shutdown: 15 seconds without operation8. Working environment: 0 to 40 degrees Celsius, not more than 90% relative humidity (non-condensing)9. Storage temperature: -20 to 60 degrees Celsius10. Power supply: 2 x 1.5V AAA batteries (not included)11. Dimensions: 148x95x39mm12. Net weight: about 103gSpecification: Package Weight One Package Weight 0.18kgs / 0.41lb One Package Size 21cm * 14cm * 4cm / 8.27inch * 5.51inch * 1.57inch Qty per Carton 40 Carton Weight 8.20kgs / 18.08lb Carton Size 53cm * 40cm * 27cm / 20.87inch * 15.75inch * 10.63inch Loading Container 20GP: 465 cartons * 40 pcs = 18600 pcs 40HQ: 1081 cartons * 40 pcs = 43240 pcs

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1. Display: 23x23mm, four-digit display, max 88882. Temperature range: -32 to 550 degrees Celsius (-25.6 to 1022 degrees Fahrenheit)3. Response time: less than 500ms4. Spectral response: 8um to 14um5. Optical resolution: 10:16. Laser: wavelength 650nm, input power less than 5mW, Class 3 laser7. Automatic shutdown: 15 seconds without operation8. Working environment: 0 to 40 degrees Celsius, not more than 90% relative humidity (non-condensing)9. Storage temperature: -20 to 60 degrees Celsius10. Power supply: 2 x 1.5V AAA batteries (not included)11. Dimensions: 148x95x39mm12. Net weight: about 103gSpecification: Package Weight One Package Weight 0.18kgs / 0.41lb One Package Size 21cm * 14cm * 4cm / 8.27inch * 5.51inch * 1.57inch Qty per Carton 40 Carton Weight 8.20kgs / 18.08lb Carton Size 53cm * 40cm * 27cm / 20.87inch * 15.75inch * 10.63inch Loading Container 20GP: 465 cartons * 40 pcs = 18600 pcs 40HQ: 1081 cartons * 40 pcs = 43240 pcs

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1. Display: 30x30mm, four-number display, maximum 19992. Measuring range: 0.1 to 200000LUX (0.01-20000FC)3. Measuring range: 200/2000/20000/200000LUX (20/200/2000/20000FC)4. Accuracy: +/-(4%+10dgts), calibrated with standard flat light with color temperature 2856K5. Resolution: LUX less than 200:0.1; LUX greater than or equal to 200:16. Sensor: Silicon photodiode with filter lens7. Sampling rate: 2 times per second8. Incident angle: 120 degrees9. Repeatability: +/-2%10. Spectral range: 400 to 700nm11. Automatic shutdown: 15 minutes without operation12. Working environment: -10 to 50 degrees Celsius, no more than 80% relative humidity, indoor altitude less than 2000m13. Storage temperature: -10 to 50 degrees Celsius, no more than 70% relative humidity14. Power supply: 2 x 1.5V AAA batteries (not included)15. Dimensions: 130x59x34mm16. Net weight: about 165gSpecification: Package Weight One Package Weight 0.25kgs / 0.56lb One Package Size 20cm * 13cm * 5cm / 7.87inch * 5.12inch * 1.97inch Qty per Carton 40 Carton Weight 10.90kgs / 24.03lb Carton Size 54cm * 41cm * 28cm / 21.26inch * 16.14inch * 11.02inch Loading Container 20GP: 430 cartons * 40 pcs = 17200 pcs 40HQ: 998 cartons * 40 pcs = 39920 pcs

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1. Display: 34x31mm, four-number display, maximum 19992. Measuring range: 0.1 to 200000LUX (0.01-20000FC)3. Measuring range: 200/2000/20000/200000LUX (20/200/2000/20000FC)4. Accuracy: +/-(4%+10dgts), calibrated with standard flat light with color temperature 2856K5. Resolution: LUX less than 200:0.1; LUX greater than or equal to 200:16. Sensor: Silicon photodiode with filter lens7. Sampling rate: 2 times per second8. Incident angle: 120 degrees9. Repeatability: +/-2%10. Spectral range: 400 to 700nm11. Automatic shutdown: 15 minutes without operation12. Working environment: -10 to 50 degrees Celsius, no more than 80% relative humidity, indoor altitude less than 2000m13. Storage temperature: -10 to 50 degrees Celsius, no more than 40% relative humidity14. Power supply: 2 x 1.5V AAA batteries (not included)15. Dimensions: 126x56x28mm16. Net weight: about 165gSpecification: Package Weight One Package Weight 0.20kgs / 0.45lb One Package Size 21cm * 8cm * 5cm / 8.27inch * 3.15inch * 1.97inch Qty per Carton 60 Carton Weight 12.50kgs / 27.56lb Carton Size 48cm * 43cm * 28cm / 18.9inch * 16.93inch * 11.02inch Loading Container 20GP: 461 cartons * 60 pcs = 27660 pcs 40HQ: 1071 cartons * 60 pcs = 64260 pcs

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1. Built-in fuse with overload protection function to prevent misoperation and burnout of the instrument2. NCV wireless measurement/non-contact measurement, more convenient3. High-speed chip, intelligent detection, accurate measurement4. Wide range of applications, suitable for various work scenarios5. The body is equipped with a support frame and 45-degree reading display6. Transistor measurement: insert the transistor pin into the corresponding jack position, press the hEF button, and the magnification of the transistor can be measured7. Size: about 17.3 x 8.5 x 3.5cm8. Weight: about 252gSpecification: Package Weight One Package Weight 0.36kgs / 0.80lb One Package Size 20cm * 12cm * 5cm / 7.87inch * 4.72inch * 1.97inch Qty per Carton 30 Carton Weight 11.80kgs / 26.01lb Carton Size 50cm * 37cm * 24cm / 19.69inch * 14.57inch * 9.45inch Loading Container 20GP: 600 cartons * 30 pcs = 18000 pcs 40HQ: 1394 cartons * 30 pcs = 41820 pcs

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1. LED high-definition color screen display: LED color screen display, clear numbers without ghosting.2. Power supply mode/automatic shutdown: powered by 3.7V/220mAH lithium battery, automatically shuts down after 15 minutes of no operation.3. Frequency weighting: A weighting4. Measuring range: 30.0~130dB5. Accuracy: +/-1.5dB (at reference sound pressure level, 94dB 1kHz)6. Resolution: 0.1dB7. Display: LED digital tube, maximum display 19998. Microphone: High-sensitivity 1/2-inch condenser microphone9. Frequency response: 31.5Hz ~ 8kHz10. Sampling rate: 2 times/second11. Automatic shutdown: 15 minutes12. Operating environment: -10~50 degrees Celsius, maximum 80% relative humidity, indoor altitude less than 2000m13. Storage environment: -10~50 degrees Celsius, maximum 70% relative humidity (remove battery)14. Dimensions: 133x30x18mm15. Display screen size: 15 x21mm16. Weight: 37g17. Battery capacity: 220mAh18. Charging port: Type-CSpecification: Package Weight One Package Weight 0.06kgs / 0.14lb One Package Size 17cm * 4cm * 3cm / 6.69inch * 1.57inch * 1.18inch Qty per Carton 100 Carton Weight 7.00kgs / 15.43lb Carton Size 41cm * 35cm * 16cm / 16.14inch * 13.78inch * 6.3inch Loading Container 20GP: 1161 cartons * 100 pcs = 116100 pcs 40HQ: 2696 cartons * 100 pcs = 269600 pcs

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1. High-precision digital instrument with stable performance and high reliability2. High-resolution LCD display for clear data reading3. Built-in fuse, overload protection and power on/off warning function, as well as automatic sleep and shutdown function, ensure safe operation and effectively prevent instrument damage caused by operating errors4. Adopt high-speed microchip, precise measurement, single-chip automatic function, good linearity, high accuracy, automatic calibration5. Used to measure DC and AC voltage, DC and AC current, resistance, capacitance, diode, temperature and conduction test6. True RMS measurement, LED high voltage output measurement and frequency parameter measurement7. Power supply: 9V battery (not included)8. Size: about 18.5 x 9 x 4.5cm9. Weight: about 315gSpecification: Package Weight One Package Weight 0.55kgs / 1.22lb One Package Size 22cm * 15cm * 8cm / 8.66inch * 5.91inch * 3.15inch Qty per Carton 20 Carton Weight 12.00kgs / 26.46lb Carton Size 51cm * 34cm * 30cm / 20.08inch * 13.39inch * 11.81inch Loading Container 20GP: 512 cartons * 20 pcs = 10240 pcs 40HQ: 1190 cartons * 20 pcs = 23800 pcs

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1. Made of ABS flame-retardant material, with good flexibility and comfortable feel2. High-resolution LCD display for clear data reading3. Can be used to measure DC voltage, AC voltage, DC current, AC current, resistance, capacitance, diode, temperature and switch test4. Supports true RMS measurement, LED high-voltage output measurement and frequency parameter measurement5. With lighting function, it is convenient to observe small parts in places with low light6. Lightweight and compact, easy to put into pocket7. Power supply: 9V battery (not included)8. Size: about 14.2 x 7 x 3.2cm9. Weight: about 196gSpecification: Package Weight One Package Weight 0.40kgs / 0.89lb One Package Size 19cm * 12cm * 4cm / 7.48inch * 4.72inch * 1.57inch Qty per Carton 60 Carton Weight 25.50kgs / 56.22lb Carton Size 43cm * 40cm * 37cm / 16.93inch * 15.75inch * 14.57inch Loading Container 20GP: 419 cartons * 60 pcs = 25140 pcs 40HQ: 972 cartons * 60 pcs = 58320 pcs

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1. Suitable for multiple occasions, surface/liquid/air temperature measurement2. Highly sensitive K-type jack, high measurement accuracy, the thermocouple is in direct contact with the object to be measured and is not affected by the intermediate medium3. The upper and lower limit alarm values ??can be set, and the light prompts when the range is exceeded4. LCD high-definition digital display, clear reading, convenient for measurement in various environments5. Can connect different probes for temperature measurement, support a variety of K-type temperature measurement probes6. Power supply mode/auto shutdown: Use 2x1.5VAAA (not included) No. 7 batteries, automatically shut down after 10 minutes of no operation (can be manually canceled).7. Temperature measurement range: -200~1372 degrees Celsius8. Temperature measurement accuracy: +/-0.2%+0.7 degrees Celsius9. Temperature resolution: 0.1 degrees CelsiusSpecification: Package Weight One Package Weight 0.17kgs / 0.38lb One Package Size 21cm * 9cm * 5cm / 8.27inch * 3.54inch * 1.97inch Qty per Carton 40 Carton Weight 7.20kgs / 15.87lb Carton Size 43cm * 26cm * 37cm / 16.93inch * 10.24inch * 14.57inch Loading Container 20GP: 644 cartons * 40 pcs = 25760 pcs 40HQ: 1496 cartons * 40 pcs = 59840 pcs

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Parameters:1. Measuring range: 0-54.8%RH2. Resolution: 0.1%RH3. Accuracy: about 1% environment4. Temperature measurement range: 0-60 degrees Celsius5. Humidity measurement range: 0-99%RH6. Moisture display: four-digit display, up to 19997. Test pin: M3 metric test pin; outer hexagon 5mm8. Overload: HI or LO9. Sampling rate: 2 times/second10. Automatic shutdown: 10 minutes (can be turned off manually)11. Power supply: 3 x 1.5V AAA (R03/LR03) (battery not included)12. Use environment: -10-50 degrees Celsius, relative humidity within 80%, indoor altitude less than 2000m13. Storage environment: -10-50 degrees Celsius, relative humidity within 70% (remove the battery)14. Size: about 152 x 55 x 33mmFeatures:1. Seven materials are available. For different materials, select the corresponding material type gear2. Two-pin design, M3 metric thread test pin, outer hexagon 5MM, removable and replaceable3. When measuring, you can press the HOLD button to lock the real-time measurement value4. The upper and lower limit alarm thresholds can be set. When the measurement is higher or lower than the set threshold, the red background light on the screen will be on for a long time to alarm5. High-definition large screen display with white background lightSpecification: Package Weight One Package Weight 0.25kgs / 0.56lb One Package Size 22cm * 10cm * 5cm / 8.66inch * 3.94inch * 1.97inch Qty per Carton 40 Carton Weight 11.00kgs / 24.25lb Carton Size 48cm * 30cm * 40cm / 18.9inch * 11.81inch * 15.75inch Loading Container 20GP: 462 cartons * 40 pcs = 18480 pcs 40HQ: 1074 cartons * 40 pcs = 42960 pcs

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Features:1. High-precision temperature and humidity sensor: Swiss SHT C3 high-precision sensor is used, with a sampling rate of up to 2 times/second.2. Hidden retractable bracket on the back: There is an independent bracket on the back, which can be placed on the desktop.3. Upper/lower limit over-limit prompt: The upper and lower limit alarm thresholds can be set for temperature and humidity respectively. When the measurement is higher or lower than the set threshold, there will be a buzzer alarm prompt sound, and the alarm prompt light will flash.4. Four ventilation holes open windows: allow air to widely contact the internal sensor.5. 13-inch large screen display, clear reading of numbers.Parameters:1. Measurement method: built-in probe2. Ambient temperature: Temperature: -20~ 80 degrees Celsius, accuracy: +/-1.0 degrees Celsius, resolution: 0.1 degrees Celsius3. Relative humidity: Range: 0~100%RH, accuracy: +/-4%RH, resolution: 0 ~99(0.1)%RH, 100(1) %RH4. Temperature alarm setting range: High: -20~ 80 degrees Celsius (-4~174 degrees Fahrenheit), Low: -19 ~ 80 degrees Celsius (-2.2~176 degrees Fahrenheit)5. Humidity alarm setting range: High: 2 ~ 99%RH, Low: 1 ~ 98%RH6. Alarm duration setting range: 6 seconds ~120 seconds (can be cycled), factory default 6 seconds7. Display mode: LED digital tube, single word 1.8 inches8. Sensor: Switzerland (SHT C3)9. Sampling rate: 2 times/second10. Over-range display: Hi or Lo11. Operating environment: -20~80 degrees Celsius, maximum 80% relative humidity, indoor altitude less than 2000m12. Storage environment: -10~50 degrees Celsius, maximum 70% relative humidity13. Dimensions: 323x173x40mm14. Weight: about 700g15. Power supply: DC 5V/1ASpecification: Package Weight One Package Weight 1.18kgs / 2.61lb One Package Size 40cm * 24cm * 9cm / 15.75inch * 9.45inch * 3.54inch Qty per Carton 10 Carton Weight 12.90kgs / 28.44lb Carton Size 46cm * 41cm * 51cm / 18.11inch * 16.14inch * 20.08inch Loading Container 20GP: 277 cartons * 10 pcs = 2770 pcs 40HQ: 643 cartons * 10 pcs = 6430 pcs

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Features:1. High-precision microphone: High-sensitivity 1/2-inch condenser microphone with high precision, high sensitivity and fast instantaneous response characteristics.2. Back bracket design: Hidden bracket design, can be placed on the desktop.3. Upper limit alarm prompt: The upper limit alarm threshold can be set; when the measurement is higher than the set threshold, the buzzer will sound an alarm prompt, and the alarm prompt light will flash. The time can be set to: 6s~120s.4. Back panel design: There are 2 ventilation holes on the top and bottom, and the response speed is more sensitive.5. Data storage: The instrument automatically stores data every 2s, and the stored value is the maximum noise value in 2s. The instrument can store data continuously for one year. After one year, the instrument automatically clears the data six months ago, and the user can export the data through the computer software. The record can be cleared (automatically overwrite the first half of the year after one year)6. Analog bar level indication: The six-grid indicator light 30~75dB displays green, and 76~130dB displays red.Parameters:1. Measuring range: 30dB~130dB2. Accuracy: +/-1.5dB (based on standard sound source, 94dB 1KHz)3. Resolution: 0.1dB (less than 100dB), 1dB (greater than 100dB)4. Frequency weighting: A weighting5. Frequency response: 31.5Hz~8.5KHz6. Sampling rate: 2 times/second7. Time weighting: fast 0.5 seconds8. Sensor type: 6mm condenser microphone sensor9. Test line length: 5 meters10. Display mode: LED digital tube, single word 4 inches11. Alarm output: 12V high level12. Alarm prompt: sound + prompt13. Data storage: support13. USB computer communication: support14. Operating environment: 0~40 degrees Celsius, maximum 80% relative humidity, indoor altitude less than 2000m15. Storage environment: -10~60 degrees Celsius, maximum 70% relative humidity16. Dimensions: 323x173x40mm17. Weight: about 980g18. Power supply: DC 5V 1ASpecification: Package Weight One Package Weight 1.50kgs / 3.32lb One Package Size 40cm * 24cm * 9cm / 15.75inch * 9.45inch * 3.54inch Qty per Carton 10 Carton Weight 16.00kgs / 35.27lb Carton Size 46cm * 41cm * 51cm / 18.11inch * 16.14inch * 20.08inch Loading Container 20GP: 277 cartons * 10 pcs = 2770 pcs 40HQ: 643 cartons * 10 pcs = 6430 pcs

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1. Material: ABS2. Output voltage: 1000-2500V3. Short-circuit current: less than 4mA4. Voltage test: AC750V5. Sampling rate: about 3 times per second6. Maximum display: 19997. Measurement method: dual integral A/D conversion8. Jack position: Insulation resistance: L.E AC750V9. Power supply: AA batteries x8 (not included in this product)10. Double protection design, shockproof and drop-proof for safe use11. Alarm function design, the measured resistance is lower than the lower limit of the range, and the reading will automatically alarm when it is invalid12. Large-screen high-definition LCD display with backlight display, convenient for operation and measurement in dark environmentsSpecification: Package Weight One Package Weight 0.80kgs / 1.77lb One Package Size 21cm * 17cm * 7cm / 8.27inch * 6.69inch * 2.76inch Qty per Carton 30 Carton Weight 25.00kgs / 55.12lb Carton Size 53cm * 44cm * 37cm / 20.87inch * 17.32inch * 14.57inch Loading Container 20GP: 309 cartons * 30 pcs = 9270 pcs 40HQ: 717 cartons * 30 pcs = 21510 pcs

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1. AC voltage: 12V-1000V AC2. Phase sequence judgment voltage range: 90-400V3. Frequency: 50Hz/60Hz4. Alarm mode: sound/light/analog bar5. Display: LCD display6. Probe shape: flat7. Altitude: about 2000 meters8. Power supply: AAAx2 (not included in this product)9. Non-contact phase sequence detection, 3 modes of left/right/disordered10. NCV probe pen tip cover is made of PC material11. With flashlight lighting function, convenient for operation and measurement in dark environment12. Intelligent identification of neutral and live wires to improve safety level13. Line breakpoint location, no alarm14. High and low sensitivity adjustable, low power consumption designSpecification: Package Weight One Package Weight 0.06kgs / 0.14lb One Package Size 17cm * 4cm * 3cm / 6.69inch * 1.57inch * 1.18inch Qty per Carton 300 Carton Weight 19.00kgs / 41.89lb Carton Size 53cm * 42cm * 32cm / 20.87inch * 16.54inch * 12.6inch Loading Container 20GP: 374 cartons * 300 pcs = 112200 pcs 40HQ: 869 cartons * 300 pcs = 260700 pcs

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1. Suitable for multiple occasions, surface/liquid/air temperature measurement2. Highly sensitive K-type jack, high measurement accuracy, the thermocouple is in direct contact with the object to be measured and is not affected by the intermediate medium3. The upper and lower limit alarm values ??can be set, and the light prompts when the range is exceeded4. LCD high-definition digital display, clear reading, convenient for measurement in various environments5. Can connect different probes for temperature measurement, support a variety of K-type temperature measurement probes6. Power supply mode/auto shutdown: Use 2x1.5VAAA (not included) No. 7 batteries, automatically shut down after 10 minutes of no operation (can be manually canceled).7. Temperature measurement range: -200~1372 degrees Celsius8. Temperature measurement accuracy: +/-0.2%+0.7 degrees Celsius9. Temperature resolution: 0.1 degrees CelsiusSpecification: Package Weight One Package Weight 0.19kgs / 0.43lb One Package Size 21cm * 9cm * 5cm / 8.27inch * 3.54inch * 1.97inch Qty per Carton 40 Carton Weight 8.40kgs / 18.52lb Carton Size 43cm * 26cm * 37cm / 16.93inch * 10.24inch * 14.57inch Loading Container 20GP: 644 cartons * 40 pcs = 25760 pcs 40HQ: 1496 cartons * 40 pcs = 59840 pcs

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Features:1. High-precision temperature and humidity sensor: Swiss SHT C3 high-precision sensor is used, with a sampling rate of up to 2 times/second.2. Hidden retractable bracket on the back: There is an independent bracket on the back, which can be placed on the desktop.3. Upper/lower limit over-limit prompt: The upper and lower limit alarm thresholds can be set for temperature and humidity respectively. When the measurement is higher or lower than the set threshold, there will be a buzzer alarm prompt sound, and the alarm prompt light will flash.4. Four ventilation holes open windows: allow air to widely contact the internal sensor.5. 13-inch large screen display, clear reading of numbers.Parameters:1. Measurement method: external 5-meter probe2. Ambient temperature: Temperature: -20~ 80 degrees Celsius, accuracy: +/-1.0 degrees Celsius, resolution: 0.1 degrees Celsius3. Relative humidity: Range: 0~100%RH, accuracy: +/-4%RH, resolution: 0 ~99(0.1)%RH, 100(1) %RH4. Temperature alarm setting range: High: -20~ 80 degrees Celsius (-4~174 degrees Fahrenheit), Low: -19 ~ 80 degrees Celsius (-2.2~176 degrees Fahrenheit)5. Humidity alarm setting range: High: 2 ~ 99%RH, Low: 1 ~ 98%RH6. Alarm duration setting range: 6 seconds ~120 seconds (can be cycled), factory default 6 seconds7. Display mode: LED digital tube, single word 1.8 inches8. Sensor: Switzerland (SHT C3)9. Sampling rate: 2 times/second10. Over-range display: Hi or Lo11. Operating environment: -20~80 degrees Celsius, maximum 80% relative humidity, indoor altitude less than 2000m12. Storage environment: -10~50 degrees Celsius, maximum 70% relative humidity13. Dimensions: 323x173x40mm14. Weight: about 700g15. Power supply: DC 5V/1ASpecification: Package Weight One Package Weight 1.34kgs / 2.96lb One Package Size 40cm * 24cm * 9cm / 15.75inch * 9.45inch * 3.54inch Qty per Carton 10 Carton Weight 14.40kgs / 31.75lb Carton Size 46cm * 41cm * 51cm / 18.11inch * 16.14inch * 20.08inch Loading Container 20GP: 277 cartons * 10 pcs = 2770 pcs 40HQ: 643 cartons * 10 pcs = 6430 pcs

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1. Measuring principle: Fe: magnetic induction / NFe: eddy current effect2. Measuring range: 0~2000um/0~2mm/0~78mil3. Accuracy: +/- (3%+1um) / +/- (3%+0.001mm) / +/- (0.117%+0.039mil)4. Resolution: Less than 100um (0.1um), ≥100um (1um); Greater than or equal to 2m (0.001mm); Less than 10mil (0.001mil); 10~78mil (0.01mil)5. Calibration: Zero point calibration6. Unit: um, mm, mil7. Minimum curvature radius of substrate: convex surface 5mm; concave surface 25mm8. Minimum measuring area: diameter 15mm9. Minimum substrate thickness: Fe: 0.30mm; NFe: 0.05mm10. Maximum measurement speed: 2 times/second11. Display: four-digit display, maximum 8888, 180-degree rotation (automatic)12. Operating environment: -10~50 degrees Celsius, maximum 90% relative humidity, indoor altitude less than 2000m13. Storage environment: -20~60 degrees Celsius, maximum 70% relative humidity (remove batteries)14. Product size: 115 x 57 x 26mm15. Weight: about 75g (excluding batteries)16. Power supply: 2 x 1.5V AAAFeatures:1. Ruby probe is used to automatically identify the substrate, and the probe mode can be selected from automatic mode, iron-based mode and non-iron-based mode2. High-definition color display, 180-degree rotation, with background light3. Automatically shut down after 50 seconds without any operation4. Small and portable, does not take up storage space, easy to carrySpecification: Package Weight One Package Weight 0.22kgs / 0.49lb One Package Size 17cm * 11cm * 5cm / 6.69inch * 4.33inch * 1.97inch Qty per Carton 60 Carton Weight 14.00kgs / 30.86lb Carton Size 50cm * 36cm * 36cm / 19.69inch * 14.17inch * 14.17inch Loading Container 20GP: 411 cartons * 60 pcs = 24660 pcs 40HQ: 955 cartons * 60 pcs = 57300 pcs

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1. Measurement method: automatic identification2. DC voltage: 0.1mV-600V3. AC voltage: 0.001V-600V4. DC current: 0.01mA-600mA5. AC current: 0.01mA-600mA6. Frequency: 40Hz-10MHz7. Diode: 3.2V8. Maximum display: 59999. Sampling rate: about 3 times per second10. Power supply: 1.5Vx2 (not included in this product)11. The body adopts a soft rubber protective cover to prevent falling, dust and shock12. With flashlight lighting function, it can easily measure in dark environment13. When it reaches NCV gear, the multimeter will display and beep at different frequencies and alarm beeps according to the detected voltage intensity14. The screen is backlit to facilitate users to measure in dark environmentSpecification: Package Weight One Package Weight 0.34kgs / 0.76lb One Package Size 18cm * 11cm * 6cm / 7.09inch * 4.33inch * 2.36inch Qty per Carton 50 Carton Weight 18.00kgs / 39.68lb Carton Size 57cm * 38cm * 32cm / 22.44inch * 14.96inch * 12.6inch Loading Container 20GP: 384 cartons * 50 pcs = 19200 pcs 40HQ: 893 cartons * 50 pcs = 44650 pcs

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1. AC voltage: 12V-1000V AC2. Phase sequence judgment voltage range: 90-400V3. Frequency: 50Hz/60Hz4. Alarm mode: sound/light/analog bar5. Display: LCD display6. Probe shape: flat7. Altitude: about 2000 meters8. Power supply: AAAx2 (not included in this product)9. Non-contact phase sequence detection, 3 modes of left/right/disordered10. NCV probe pen tip cover is made of PC material11. With flashlight lighting function, convenient for operation and measurement in dark environment12. Intelligent identification of neutral and live wires to improve safety level13. Line breakpoint location, no alarm14. High and low sensitivity adjustable, low power consumption designSpecification: Package Weight One Package Weight 0.07kgs / 0.16lb One Package Size 17cm * 4cm * 3cm / 6.69inch * 1.57inch * 1.18inch Qty per Carton 300 Carton Weight 22.00kgs / 48.50lb Carton Size 53cm * 42cm * 32cm / 20.87inch * 16.54inch * 12.6inch Loading Container 20GP: 374 cartons * 300 pcs = 112200 pcs 40HQ: 869 cartons * 300 pcs = 260700 pcs

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1. Bandwidth: 50KHz-2.7GHz2. Dynamic range: 80dB (50KHz-900MHz), 60dB (900MHz-1.5GHz), 50dB (1.5GHz-2.7GHz)3. Reflection coefficient: SWR less than 1.14. Frequency accuracy: less than 0.5 ppm5. Frequency stability: less than 2.5 ppm6. Number of scanning points: 4017. Battery capacity: 5000mAh8. Size: about 16 x 9.2 x 3.5cmFeatures:1. Ergonomic design2. Support SD card, convenient for saving test data and exporting data3. With resistive touch screen function, large knob operation, more convenient5. Large capacity built-in 5000mAh battery, longer battery life6. 4 inch IPS LCD display, wide viewing angle, accurate color reproduction, high contrast, uniform brightnessPacking list:- Host x 1- 15cm SMA male to male TG316 RF cable x 2- SMA male calibration kit OPEN x 1- SMA male calibration kit short circuit x 1- SMA male calibration kit LOAD x 1- SMA female to female connector x 1- USB Type-C cable x 1- Type-C to Type-C cable x 1- Stylus pen x 1- Pick x 1Specification: Package Weight One Package Weight 0.54kgs / 1.20lb One Package Size 27cm * 17cm * 7cm / 10.63inch * 6.69inch * 2.76inch Qty per Carton 18 Carton Weight 10.70kgs / 23.59lb Carton Size 50cm * 38cm * 29cm / 19.69inch * 14.96inch * 11.42inch Loading Container 20GP: 483 cartons * 18 pcs = 8694 pcs 40HQ: 1123 cartons * 18 pcs = 20214 pcs

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This unit consist of Optics, Temperature Sensor Signal amplifier, Processing circuit and LCD Display.The Optics collected the infrared energy emitted by object and focus onto the Sensor. Then the sensor translates the energy into an electricity signal. This signal will be turned out to be digital shown on the LCD after the signal amplifier and processing circuit.Infrared thermometer possesses the following features:1. Low battery indicator2. Positioning laser3. Data retention4. High and low temperature alarm prompt5. Conversion of Celsius / Fahrenheit temperature unitSpecificationsLCD: Colorful LCDTemperature measurement range: -50 to 850 degrees Celsius (-58 to 1562 degrees Fahrenheit)Temperature display accuracy: 0.1 degrees CelsiusTemperature measurement error: -50 to 0 degrees Celsius(-58 to 32 degrees Fahrenheit): +/-3 degrees Celsius (+/-5 degrees Fahrenheit)0 to 850 degrees Celsius (32 to 1562 degrees Fahrenheit): +/-1.5% rdg or +/-1.5 degrees Celsius（+/-2.7 degrees Fahrenheit）Take the bigger valueRepeatability: 1% rdg or 1 degrees Celsius Take the bigger valueReponse time: 0.5s, 95% ResponseEmissivity: 0.10 to 1.00 Adjustable (preset as 0.95)D:S: 12:1Response wavelength: 8um to 14 umLaser: Ring light spotFlashlight: UV lightWorking environment temperature: 0 to 40 degrees Celsius (32 to 104 degrees Fahrenheit)Relative working environment humidity: 10% RH to 90% RH withput condensationStorage temperature: -10 to 60 degrees Celsius (14 to 140 degrees Fahrenheit)Batteries: 1.5V AAA battery x 2 (Not included)Low power indicator: Low power indicator for power below 2.4VOverload indicator: “Hi”/”Lo” displayed on LCDDimensions: 108x49x177mmWeight: 180gSpecifications of K-type thermocoupleMeasurement range: 0 to 250 degrees Celsius (300 degrees Celsius for short time)Measurement error: +/- 2.5 degrees Celsius or 0.75% rdg Take the bigger valueThermal response time: ＜10sAccessories:Instructions x 1Host x 1K-type thermocouple x 1Color box x 1Specification: Package Weight One Package Weight 0.32kgs / 0.71lb One Package Size 20cm * 12cm * 6cm / 7.87inch * 4.72inch * 2.36inch Qty per Carton 100 Carton Weight 20.26kgs / 44.67lb Carton Size 49cm * 39cm * 53cm / 19.29inch * 15.35inch * 20.87inch Loading Container 20GP: 263 cartons * 100 pcs = 26300 pcs 40HQ: 611 cartons * 100 pcs = 61100 pcs

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1. Wind speed ??measurement range: 0.3-30 m/s2. Wind speed ??unit selection: m/s, Ft/min, Knots, km/h, Mph3. Probe rotation: 180 degrees4. Wind temperature measurement: 0-50°C5. °C/°F Unit conversion: yes6. Backlight display: yes7. Power monitoring: yes8. Low battery indicator: yes9. Resolution: 0.1 m/s10. Data hold: yes11. Auto power off: yes12. Auto power off timer: 14 minutes of inactivity13. Power supply: 3 x 1.5 AAA Batteries (Not Included)14. Compact design, easy to hold in your hand or carry in your pocket, making it easy to carry and test anytime, anywhere.15. It can be used flexibly in various fields, including power generation, steel, petrochemicals, energy conservation, ventilation, meteorology, sports competitions, home testing, scientific research, wind tunnel testing, fan manufacturing, and exhaust systems.16. Net weight: 80g17. Dimensions: 162x47x25mmSpecification: Package Weight One Package Weight 0.10kgs / 0.23lb One Package Size 16cm * 5cm * 23cm / 6.3inch * 1.97inch * 9.06inch Qty per Carton 60 Carton Weight 7.40kgs / 16.31lb Carton Size 51cm * 25cm * 47cm / 20.08inch * 9.84inch * 18.5inch Loading Container 20GP: 445 cartons * 60 pcs = 26700 pcs 40HQ: 1033 cartons * 60 pcs = 61980 pcs

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1. PH Measurement Range: 0.0-14.02. PH Resolution: 0.13. PH Measurement Error: -/+0.14. Temperature Measurement Range: 0-60 degrees Celsius (32-140 degrees Fahrenheit)5. Temperature Resolution: 1 degree Celsius6. Temperature Error: -/+1.0 degrees Celsius7. Power Supply: 3.7V/600mAh, 2.22Wh (built-in) lithium battery8. Display: Large LCD screen9. Operating Temperature: 0-60 degrees Celsius10. Operating Humidity: Approximately 85%RH11. Backlight: Digital color display12. Includes power-off memory function and solution temperature compensation.Specification: Package Weight One Package Weight 0.30kgs / 0.67lb One Package Size 21cm * 9cm * 6cm / 8.27inch * 3.54inch * 2.36inch Qty per Carton 60 Carton Weight 19.00kgs / 41.89lb Carton Size 56cm * 44cm * 32cm / 22.05inch * 17.32inch * 12.6inch Loading Container 20GP: 338 cartons * 60 pcs = 20280 pcs 40HQ: 785 cartons * 60 pcs = 47100 pcs

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Features:1. Solution pH measurement2. Solution temperature measurement3. Sensor voltage measurement4. Solution temperature compensation5. Automatic/manual data recording with report generation6. Data storage, viewing, and deletion7. Adjustable sampling interval8. Adjustable automatic shutdown time9. Self-calibration, selectable 4.00-6.86-9.18 or 4.00-7.00-10.0010. Temperature unit selection11. Factory reset12. Adjustable screen brightness13. Chinese/English language selection14. Low battery warning and battery level indicator15. USB charging16. Data transfer via PC software connection17. Generates CSV and BMP files compatible with Windows systems; can also be used as a small-capacity storage device (USB flash drive) to store other file formats.Parameters:1. pH Measurement Range: 0.00~14.002. pH Resolution: 0.013. pH Measurement Error: +/-0.054. Temperature Measurement Range: 0~60 degrees Celsius (32~140 degrees Fahrenheit) Temperature Resolution: 0.1 degrees Celsius, Error: +/-1.0 degrees Celsius5. Voltage Measurement Range: -500~500mV6. Voltage Resolution: 1mV, Error: +/-3%7. Solution Temperature Compensation Range: 0~60 degrees Celsius (32~140 degrees Fahrenheit)8. Operating Environment: 0~50 degrees Celsius (32~122 degrees Fahrenheit)9. RH less than 85% Storage Space: 8MB (can store approximately 397,000 data entries)10. Battery: 3.7V 1000mAh Lithium Battery11. Low battery warning: 4-level battery indicator; automatic shutdown when voltage drops below 3.3V.12. Charging adapter: 5V/2A13. Dimensions: 160x65.35x35mmSpecification: Package Weight One Package Weight 1.12kgs / 2.48lb One Package Size 32cm * 24cm * 9cm / 12.6inch * 9.45inch * 3.54inch Qty per Carton 12 Carton Weight 14.40kgs / 31.75lb Carton Size 53cm * 51cm * 33cm / 20.87inch * 20.08inch * 12.99inch Loading Container 20GP: 298 cartons * 12 pcs = 3576 pcs 40HQ: 694 cartons * 12 pcs = 8328 pcs

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Product IntroductionThis product features high accuracy, stable performance, reliability, durability, and portability. It can be used to measure the pH value of solutions and the temperature of liquids. It is widely used in industries such as industrial manufacturing, power generation, agriculture, medicine, food processing, scientific research, and environmental protection.Product Feature1. Measures the pH value of solutions2. Measures solution temperature3. LCD color screen display4. Data hold function5. Temperature unit switching: Celsius/Fahrenheit6. Power-off memory function7. Solution temperature compensation8. Automatic calibration9. Battery level display and charging function10. Automatic shutdown11. Red backlight alarm (when pH is less than 3.5 or greater than 11.5)12. Automatic detection of measurement statusProduct Parameter1. pH measurement range: 0.0-14.02. pH resolution: 0.13. pH measurement error: +/-0.14. Temperature range: 0 to 60 degrees Celsius (32 to 140 degrees Fahrenheit)5. Temperature resolution: 0.1 degrees Celsius6. Temperature error: +/-1.0 degrees Celsius7. Power supply: 3.7V 600mAh 2.22Wh lithium battery (built-in)8. Display screen: LCD liquid crystal display9. Operating temperature: 0 to 60 degrees Celsius10. Operating humidity: Less than or equal to 85%RH11. Product specifications: Diameter 43 x 190mm12. Weight: Approximately 115.4gSpecification: Package Weight One Package Weight 0.46kgs / 1.01lb One Package Size 21cm * 12cm * 7cm / 8.27inch * 4.72inch * 2.76inch Qty per Carton 40 Carton Weight 20.00kgs / 44.09lb Carton Size 48cm * 36cm * 47cm / 18.9inch * 14.17inch * 18.5inch Loading Container 20GP: 328 cartons * 40 pcs = 13120 pcs 40HQ: 762 cartons * 40 pcs = 30480 pcs

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1. Measurement range: 0-1800μm/70.8mil2. Resolution: Less than 100μm3. Measurement error: Approximately 50μm4. Minimum diameter of magnetic metal substrate: 12mm5. Minimum thickness of magnetic metal substrate: 0.5mm6. Minimum radius of curvature of convex magnetic substrate: 2mm7. Minimum radius of curvature of concave magnetic substrate: 11mm8. Minimum diameter of non-magnetic metal substrate: 50mm9. Minimum thickness of non-magnetic metal substrate: 0.5mm10. Menu-driven operation and high-definition color screen display11. Measurement of non-magnetic coating thickness on magnetic metal substrates and on non-metallic coating thickness on non-magnetic metal substrates12. Supports both single and continuous measurement modes13. Supports both basic and zero-point calibration functions14. Unit selection (μm or mil), automatic storage function, and automatic power-off selection functionSpecification: Package Weight One Package Weight 1.01kgs / 2.24lb One Package Size 29cm * 19cm * 9cm / 11.42inch * 7.48inch * 3.54inch Qty per Carton 15 Carton Weight 16.15kgs / 35.60lb Carton Size 59cm * 47cm * 31cm / 23.23inch * 18.5inch * 12.2inch Loading Container 20GP: 310 cartons * 15 pcs = 4650 pcs 40HQ: 720 cartons * 15 pcs = 10800 pcs

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Features:1. Measures solution/soil pH/soil temperature2. LCD backlight display, data hold, battery level indicator, automatic power off3. Temperature switching: Celsius/Fahrenheit4. Power-off memory function, solution temperature compensation, automatic calibration function, red backlight alarm (when pH < 3.5 or pH > 11.5), automatic measurement status detectionParameters:1. PH Measurement Range: 0.0 ~ 14.02. PH Resolution: 0.13. PH Measurement Error: +/-0.14. Temperature Measurement Range: 0~60 degrees Celsius (32~140 degrees Fahrenheit)5. Temperature Resolution: 0.1 degrees Celsius6. Temperature Error: +/-1.0 degrees Celsius7. Power Supply: 1.5V x 2 AAA batteries (not included)8. Display: Large LCD screen9. Operating Temperature: 0~50 degrees Celsius (32~122 degrees Fahrenheit)10. Operating Humidity: Less than or equal to 85%RH11. Backlight: Dual-color backlight (white, red)12. Diameter: 43 x 292 mmSpecification: Package Weight One Package Weight 0.80kgs / 1.77lb One Package Size 35cm * 18cm * 7cm / 13.78inch * 7.09inch * 2.76inch Qty per Carton 20 Carton Weight 17.00kgs / 37.48lb Carton Size 74cm * 39cm * 39cm / 29.13inch * 15.35inch * 15.35inch Loading Container 20GP: 236 cartons * 20 pcs = 4720 pcs 40HQ: 550 cartons * 20 pcs = 11000 pcs

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Product IntroductionThis product offers accurate measurements, stable performance, reliable durability, and convenient portability. It can be used to measure the pH value of solutions and the temperature of liquids. It is widely used in industries such as industrial manufacturing, power generation, agriculture, medicine, food processing, scientific research, and environmental protection.Product Feature1. Measures the pH value of solutions2. Measures solution temperature3. LCD color screen display4. Data hold function5. Temperature unit switching: Celsius/Fahrenheit6. Power-off memory function7. Solution temperature compensation8. Automatic calibration9. Battery level display10. Automatic shutdown11. Red backlight alarm (when pH is less than 3.5 or greater than 11.5)12. Automatic measurement status detectionProduct Parameter1. pH measurement range: 0.00-14.002. pH resolution: 0.013. pH measurement error: +/-0.054. Temperature range: 0 to 60 degrees Celsius (32 to 140 degrees Fahrenheit)5. Temperature resolution: 0.1 degrees Celsius6. Temperature error: +/-1.0 degrees Celsius7. Power supply: 2 x 1.5V AAA batteries (not included)8. Display: LCD liquid crystal display9. Operating temperature: 0 to 60 degrees Celsius10. Backlight: Dual-color backlight (white, red)11. Product dimensions: Diameter 43 x 190mm12. Weight: Approximately 129.5gSpecification: Package Weight One Package Weight 0.46kgs / 1.01lb One Package Size 12cm * 8cm * 2.5cm / 4.72inch * 3.15inch * 0.98inch Qty per Carton 40 Carton Weight 19.50kgs / 42.99lb Carton Size 48cm * 36cm * 47cm / 18.9inch * 14.17inch * 18.5inch Loading Container 20GP: 328 cartons * 40 pcs = 13120 pcs 40HQ: 762 cartons * 40 pcs = 30480 pcs

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Features1. Precise Water Quality Testing: Quickly and conveniently measures the total dissolved solids (TDS) content in water with accurate readings displayed in parts per million (PPM), helping you easily assess water quality.2. Compact and Portable Design: Ergonomically designed for easy carrying, allowing you to test water quality anytime, anywhere – at home, in the office, or while traveling.3. Simple Operation: Simply immerse the tester in water and press the button to instantly obtain a clear digital reading of the TDS content. No complicated setup required.4. Clear Digital Display: Equipped with a bright LCD screen that clearly displays the TDS content, making it easy to monitor water quality.5. Wide Application: Suitable for testing drinking water, swimming pools, fish tanks, hydroponic systems, and many other scenarios. Widely applicable in water quality monitoring, industrial process control, environmental protection, scientific research, and household water purification equipment for monitoring TDS values ??in various types of water.Parameters1. Measurement Range: 0-3990 PPM2. Accuracy: +/-10% full scale3. Temperature Measurement Range: 0 to 80 degrees Celsius4. Working Current: 1.5mA5. Battery: 2 x LR44 1.5V button batteries6. Battery Capacity: 155mAh7. Product Dimensions: 148 x 18 x 16 mm8. Product Weight: 28.3gSpecification: Package Weight One Package Weight 0.05kgs / 0.10lb One Package Size 17cm * 3cm * 3cm / 6.69inch * 1.18inch * 1.18inch Qty per Carton 120 Carton Weight 5.30kgs / 11.68lb Carton Size 36cm * 37cm * 18cm / 14.17inch * 14.57inch * 7.09inch Loading Container 20GP: 1112 cartons * 120 pcs = 133440 pcs 40HQ: 2581 cartons * 120 pcs = 309720 pcs

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1. Low-resistance pure copper core, higher accuracy, more precise measurement2. Double-layer insulation, safety level up to 2000V, maximum 20A3. Replaceable probe design, with 4 replaceable ultra-fine probes built-in4. Easy to operate, comfortable grip5. Gold-plated probe, sensitive and reliable6. Universal plug, suitable for most multimeters7. Length: about 1 meterSpecification: Package Weight One Package Weight 0.12kgs / 0.27lb One Package Size 20cm * 11cm * 4cm / 7.87inch * 4.33inch * 1.57inch Qty per Carton 54 Carton Weight 8.00kgs / 17.64lb Carton Size 42cm * 38cm * 35cm / 16.54inch * 14.96inch * 13.78inch Loading Container 20GP: 477 cartons * 54 pcs = 25758 pcs 40HQ: 1108 cartons * 54 pcs = 59832 pcs

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1. Detectable gases: halogen gases, SF-6 gas2. Response time: instantaneous3. Warm-up time: 6 seconds4. Continuous working time: 5 hours5. Sensitivity: 3 g/year for halogen refrigerants6. Low battery indicator: 3.3V7. Power supply: 2000 mAh lithium battery8. Detects all halogen refrigerants9. Equipped with a long, flexible stainless steel probe for wide detection range and convenient, flexible use10. Portable and rechargeable11. Enhanced electronic circuit with fast warm-up capability12. Ultra-sensitive and accurate tracking of halogen gas reactions13. Scanning mode increases sensitivity and speeds up leak detection14. LED leak intensity indicator displays the relative leak amount15. Net Weight: 405g16. Dimensions: 235x86x46mmSpecification: Package Weight One Package Weight 1.20kgs / 2.65lb One Package Size 39cm * 32cm * 22cm / 15.35inch * 12.6inch * 8.66inch Qty per Carton 10 Carton Weight 13.00kgs / 28.66lb Carton Size 40cm * 33cm * 45cm / 15.75inch * 12.99inch * 17.72inch Loading Container 20GP: 448 cartons * 10 pcs = 4480 pcs 40HQ: 1042 cartons * 10 pcs = 10420 pcs

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1. LCD night vision high-definition backlight display screen. The instrument supports backlight display function, and can clearly display values even at night2. The instrument supports setting of high/low alarm values. When combustible gas is detected, it will give an alarm by beeping and flashing, and the value will be displayed on the screen3. It uses high-precision probes, with good sensitivity and precise semiconductor sensors, which can quickly identify and determine the location of gas leakage4. Widely applicable, it can be used in gas, petrochemical, home, fire protection, metallurgy, gas and other fields5. The extended flexible probe can still easily cope with narrow leakage points or different measurement environment scenarios, meeting your measurement needs6. The buttons are made of soft rubber material, with a comfortable feel7. Power supply: 3 x AA 1.5V batteries (not included)Specification: Package Weight One Package Weight 0.34kgs / 0.76lb One Package Size 26cm * 11cm * 7cm / 10.24inch * 4.33inch * 2.76inch Qty per Carton 40 Carton Weight 14.00kgs / 30.86lb Carton Size 56cm * 42cm * 31cm / 22.05inch * 16.54inch * 12.2inch Loading Container 20GP: 365 cartons * 40 pcs = 14600 pcs 40HQ: 849 cartons * 40 pcs = 33960 pcs

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1. Detected gas: sulfur dioxide2. Measurement range: 0~20ppm3. Resolution: 1ppm4. Sensor: electrochemical sensor, two-year lifespan5. Low/high concentration alarm: yes6. Alarm value setting: yes7. Alarm indication: audible, visual, and vibration triple alarm, alarm values ??can be set8. Power supply: 3.7V Lithium Battery9. High-precision sensor, sensitive response, accurate measurement, with good stability and repeatability, capable of timely detection and alarm, ensuring no danger is missed.10. Adopts a high-decibel buzzer alarm, light, and vibration triple alarm system. Alarm values ??can be set, and the sound can reach 80 decibels.11. Rechargeable 3.7V lithium battery, long service life, safe and durable, long battery life, approximately 9 hours of use on a single charge.12. Compact and portable size, suitable for measurement in various complex environments and locations, convenient and practical.13. Weight: 200g14. Dimensions: 120x64x38mmSpecification: Package Weight One Package Weight 0.30kgs / 0.65lb One Package Size 21cm * 12cm * 7cm / 8.27inch * 4.72inch * 2.76inch Qty per Carton 20 Carton Weight 6.00kgs / 13.23lb Carton Size 35cm * 27cm * 47cm / 13.78inch * 10.63inch * 18.5inch Loading Container 20GP: 600 cartons * 20 pcs = 12000 pcs 40HQ: 1393 cartons * 20 pcs = 27860 pcs

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Specification:1. Product size: 9.4 x 5 x 2.2cm2. Net weight: 90g3. Rated working voltage range: DC 4-30V4. Maximum input voltage: DC 33V5. Voltage measurement range: DC 0-30V6. Voltage measurement accuracy: +-1mV7. Rated current measurement range: 0-5A8. Ultimate current: 8A9. Current measurement accuracy: +-1mAFeatures:1. New architecture, firmly and stably fixed, simplicity but not simplicity, solid materials, stable and reliable2. Number stick out a mile, big digital display outputs real-time data3. Curve the fluctuations are clearly visible, clear capture of current fluctuations4. Pointer-simulated mechanical watches, high refresh rate screens can replace traditional mechanical pointer watches5. Dual button operation, 3 different mode conversions, the more personal habit of rotating direction6. Powerful computing power, stable and smooth, using high-specification chips7. Accurate measurement equipment data, simulate pointer meter display, able to display stably, easy to use without laggingSpecification: Package Weight One Package Weight 0.25kgs / 0.56lb One Package Size 14cm * 10cm * 6cm / 5.51inch * 3.94inch * 2.36inch Qty per Carton 40 Carton Weight 11.00kgs / 24.25lb Carton Size 42cm * 30cm * 22cm / 16.54inch * 11.81inch * 8.66inch Loading Container 20GP: 962 cartons * 40 pcs = 38480 pcs 40HQ: 2233 cartons * 40 pcs = 89320 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/m 9. Electric field strength resolution: 1V/m 10. Magnetic field strength frequency range: 20Hz~300Hz 11. Electric field strength frequency range: 20Hz~3500MHz 12. Power Supply: 3 x 1.5V AAA battery (Not included)Specification: General Certificate EMC 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. Display: 5999 (3 5/6) polarity display2. Measurement method: dual-integral A/D converter3. Sampling rate: approximately 3 times per second4. Over-range display: "OL" displayed in the high digit5. Low voltage display: battery symbol appears6. DC voltage: 6V~1000V7. AC voltage: 6V~750V8. DC current: 60A~600A9. AC current: 60A~600A10. Resistance: 6kΩ~600kΩ11. Capacitance: 60nF~30000uF12. Frequency F: 1kHz~100kHz13. NCV non-contact measurement: turn the dial to the NCV setting, bring the instrument close to the circuit. When AC voltage is detected, the multimeter will sound an alarm at different frequencies depending on the detected voltage intensity.14. Celsius/Fahrenheit temperature measurement function: -20~1000 degrees Celsius/0~1832 degrees Fahrenheit; Turn the dial to the "TEMP" position, insert the red probe into the two input terminals of the temperature probe, and insert the "V/Ω/Hz" and "COM" terminals respectively. Insert the sensing end of the test probe into the water being measured. The LCD will display the temperature of the water being measured. Press the SELECT key to switch between Celsius and Fahrenheit.15. Large LCD screen with backlight display function16. Uses AAA 2 x 1.5V batteries (not included), convenient and quick17. Instrument input interface, powerful and easy to understand18. Equipped with a light function for convenient use in dark environments19. Wire puller head, safety stop, hand can open 25mm20. Dimensions: 176x67mm21. Net weight: 300gPackage includes:- Instruction manual x 1- ST822 x 1- Cloth bag x 1- Color box x 1- Warranty card x 1- Temperature probe x 1- Test leads x 1Specification: Package Weight One Package Weight 0.36kgs / 0.78lb One Package Size 10cm * 6cm * 21cm / 3.94inch * 2.36inch * 8.27inch Qty per Carton 30 Carton Weight 11.70kgs / 25.79lb Carton Size 44cm * 32cm * 32cm / 17.32inch * 12.6inch * 12.6inch Loading Container 20GP: 591 cartons * 30 pcs = 17730 pcs 40HQ: 1373 cartons * 30 pcs = 41190 pcs

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Specification: Package Weight One Package Weight 0.20kgs / 0.45lb One Package Size 17cm * 5cm * 10cm / 6.69inch * 1.97inch * 3.94inch Qty per Carton 60 Carton Weight 13.00kgs / 28.66lb Carton Size 52cm * 36cm * 32cm / 20.47inch * 14.17inch * 12.6inch Loading Container 20GP: 445 cartons * 60 pcs = 26700 pcs 40HQ: 1033 cartons * 60 pcs = 61980 pcs

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1. 3-in-1 Multi-Functional Design: Combines a laser level, digital angle finder, and dual laser line generator, supporting 5 smart modes (level, cross line, side lasers, vertical check) for tasks like tile installation, picture hanging, cabinet mounting, and curtain installation.2. Dual Laser System & High Precision: Features red line (for edge work) and green cross line (for layout positioning), with +/- 0.1 degree high accuracy digital readout for reliable measurements, significantly improving work efficiency.3. Flexible Mounting & Portable Design: Built-in strong magnetic base attaches securely to metal surfaces for hands-free use. It also supports 1/4 inch - 20 thread standard tripod threads, working with the included mini tripod for multi-angle placement. The compact, lightweight body is easy to carry.4. Long Battery Life & Convenient Charging: Equipped with a built-in lithium-ion battery and Type-C charging port, offering up to 2-4 hours of continuous working time per charge, eliminating frequent battery replacement.5. For Versatile Use: Suitable for home improvement, woodworking, DIY projects, and professional construction tasks.Specifications1. Material: Aluminum-Magnesium Alloy + ABS2. Dimensions: 40x40x40mm3. Net Weight: 60g4. Battery: 250mAh5. Charging Voltage: 5V6. Continuous Working Time: 2 hoursPackage Contents:1 x Level1 x User Manual1 x Data Cable1 x Packaging Box1 x Tripod StandSpecification: General Certificate CE , MSDS , ROHS , FCC Package Weight One Package Weight 0.22kgs / 0.49lb One Package Size 14cm * 12cm * 5cm / 5.51inch * 4.72inch * 1.97inch Qty per Carton 60 Carton Weight 13.60kgs / 29.98lb Carton Size 58cm * 42cm * 24cm / 22.83inch * 16.54inch * 9.45inch Loading Container 20GP: 456 cartons * 60 pcs = 27360 pcs 40HQ: 1058 cartons * 60 pcs = 63480 pcs

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Features: JINGYAN MESR-100 V2 Auto-ranging capacitor ESR and Low Ohm Meter, measuring range from 0.001 to 100.0R, support IN CIRCUIT Testing. Using true 100 KHz sine wave to measure the ESR value, which is equal to the testing method of capacitor manufacturer. In the market, there is some technique using short pulse method to testing, but the value will be varying vs the capacitance and sometimes reading is different from the manufacturer's value. What is ESR of capacitor? There is a series resistor inside capacitor, using 100kHz to remove the impedance 1/(2*pi*F*C), the impedance become small, and we can then measure the true series resistor value. A bad E-capacitor will have larger ESR and create large ripple rather than filtering noise. Normally, a big capacitor is larger than 3 ohm. Using this theory, we can measure the capacitor is bad/ damaged or good in condition. Because our ESR meter only applies less than 15mV DC or peak to peak on a good capacitor, as a result we can use it as in circuit test. Because this low testing voltage, it cannot turn on the semiconductor inside a circuit under testing. During repairing TV, LCD, Audio board, etc. we can in circuit testing the capacitor is good or not. Dual terminal, for fast and easy inspect general capacitor or resistor, a printed ESR table for fast check Compare MESR100 old V1 and new V2 Improvement: 1) Change square wave to sine wave 100 KHz, reduce square wave’s high frequency component, and affect the reading passing the test leads and capacitor. 2) Higher Resolution up to 0.001 ohm. 3) 128X64 dot matrix LCD, with more larger value display and information 4) Embedded 25V capacitor table at LCD, auto display the capacitor is good or bad reference to common 25V electrolytic capacitor. 5) New plastic case, curve design for hand carrying. New stand for 60 degree stand on desk. 6) Use 2X AA battery, more convenience and longer battery life than 9V battery. 7) Support external USB power, using standard micro-USB port. Specification: Range Accuracy (After Zero, tested with 1,10,100R resistor) Refresh Time (Manual Mode) Auto mode take 0 to 2s more time depend on value 0.000 to 1.000R 1%+2Digit ~0.4s 1.000 to 10.00R 1%+1Digit ~0.4s 10.00 to 100.0R 2%+1Digit ~0.4s Accuracy maybe affected by the test lead’s length and contact point resistance. Standard test leads is 15cm, for longer test leads need special shielding to affect the EMI inference (Can contact sales’ person for more detail) 1) Accuracy: Up to 1% (detail on above table) Wide Measurement Range: >1uF (for 0.1uF the error will be larger on equation 1/(2*pi*F*C) @ 100Khz ) 2) High Resolution: 4 digit, or 0.001Ohm @ 1 Ohm range 3) Measuring voltage: <~40mV RMS (TESTING VOLTAGE) 4) Clamping voltage: ~0.15V (open voltage) 5) Battery 2X AA 1.5V battery 6) External Power: 5V micro USB 7) Operating current 0.02A 8) Battery Life time: >80 Hours Operating Introduction: 1) POWER ON Press and hold the ON/ OFF circle orange button for 2 to 3 second to power on. Press and release the ON/ OFF button to shut down meter. 2) AUTO/ MANUAL mode: i) Auto Range: Press and release the RANGE button and at the first line of LCD will show “AUTO:" At auto mode meter will automatically select the best range to detect. ii) Manual Range: Scroll the manual range from 1R, 10R and 100R range by press and release the RANGE button In LCD will show MANUAL at first LCD line and show at second line: 0-1R, 1-10R and 10-100R. 3) 1 Key Zero: Short circuit the test leads’ terminal, cancelling the wire resistance. Press and release the “ZERO" button, LCD shows “ZERO" and wait the zero disappear. If you are using the meter array socket, you need to use a short pin to short circuit to set zero. 4) Backlight: LCD backlight will on during power on 5) Auto Sleep: Around 10 hours for not testing, it will shut down automatically to save power. 6) OVERFLOW or OL: Display overflow when the value is out of range, you can check that you are zero correctly. 7) ESR TABLE: It is for reference only, different manufacturer of capacitor has different ESR, better to test a good cap ESR and compare with what you are testing, usually bad cap with higher ESR few times larger than good one. 8) SOFTWARE ESR: Put the 25V Electrolytic capacitor value to LCD, and compare, GOOD if C < XXuF, means the capacitor maybe good condition if it is less than XXuF 9) PLASTIC STAND: If you don’t use the stand, press and push the lock positionSpecification: Package Weight One Package Weight 0.35kgs / 0.77lb One Package Size 18cm * 8.5cm * 5.5cm / 7.09inch * 3.35inch * 2.17inch Qty per Carton 50 Carton Weight 14.20kgs / 31.31lb Carton Size 43cm * 36cm * 30cm / 16.93inch * 14.17inch * 11.81inch Loading Container 20GP: 574 cartons * 50 pcs = 28700 pcs 40HQ: 1333 cartons * 50 pcs = 66650 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. Suitable for measuring DC voltage, suitable for 6V / 12V storage battery. 7. 30V meter don't use on 24V battery, Because the voltage will produce close to the limit of the meter, leaving too few remainder to the meter, it will cause a higher voltage pulse when charging and electrical work.Specification: General Model V33D Material ABS Measure Range DC 4.5-120V Voltage Operating Temperature -10 ~ 65 Degree Celsius Cable Length 24AWG 19cm Refreshing Rate 200ms/time Accuracy 1% error Power Consumption 5-15mA Cutting Size 31*19mm Size 34*23*17mm Display Size 0.36 inch Weight 8.2g Package Weight One Package Weight 0.03kgs / 0.06lb One Package Size 7cm * 3cm * 2.5cm / 2.76inch * 1.18inch * 0.98inch Qty per Carton 500 Carton Weight 8.50kgs / 18.74lb 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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Product parameters:1. The sensitivity distance of detecting a dollar coin is ≥5cm.2, detection method: vibration, sound alarm2, power: 9V battery (not included)3, working environment: temperature -20 ° C -60 ° C4. Dimensions: 215.5*41.5*43.52mm5, packaging size: 25.5 * 6 * 6cm6, Pcs / Carton : 50pcs / boxSpecification: Package Weight One Package Weight 0.19kgs / 0.42lb One Package Size 24cm * 5cm * 5cm / 9.45inch * 1.97inch * 1.97inch Qty per Carton 50 Carton Weight 11.00kgs / 24.25lb Carton Size 28cm * 28cm * 50cm / 11.02inch * 11.02inch * 19.69inch Loading Container 20GP: 680 cartons * 50 pcs = 34000 pcs 40HQ: 1579 cartons * 50 pcs = 78950 pcs

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Product parameters:1. The sensitivity distance of detecting a dollar coin is ≥5cm.2, detection method: vibration, sound alarm2, power: 9V battery (not included)3, working environment: temperature -20 ° C -60 ° C4. Dimensions: 215.5*41.5*43.52mm5, packaging size: 25.5 * 6 * 6cm6, Pcs / Carton : 50pcs / boxSpecification: Package Weight One Package Weight 0.19kgs / 0.42lb One Package Size 24cm * 5cm * 5cm / 9.45inch * 1.97inch * 1.97inch Qty per Carton 50 Carton Weight 11.00kgs / 24.25lb Carton Size 28cm * 28cm * 50cm / 11.02inch * 11.02inch * 19.69inch Loading Container 20GP: 680 cartons * 50 pcs = 34000 pcs 40HQ: 1579 cartons * 50 pcs = 78950 pcs

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1. Large LCD display, max display 6000 counts 2. Update rate: 3 times per second 3. With Back-light 4. Polarity identification 5. Low voltage indication 6. Current measurement 7. Auto power off 8. Powered by 2 x AAA batteries(not included) 9. Product material: ABS 10. Product size: 13cm x 6.5cm x 3.2cmSpecification: Package Weight One Package Weight 0.26kgs / 0.58lb One Package Size 20cm * 10cm * 4.5cm / 7.87inch * 3.94inch * 1.77inch Qty per Carton 70 Carton Weight 18.30kgs / 40.34lb Carton Size 51cm * 37cm * 36cm / 20.08inch * 14.57inch * 14.17inch Loading Container 20GP: 392 cartons * 70 pcs = 27440 pcs 40HQ: 911 cartons * 70 pcs = 63770 pcs

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Features1. Digital anemometer provides fast measurement for analysis of critical environment conditions.2. This meter is a portable, professional wind speed measuring instrument with large-screen LCD and backlight, multi-unit switching functions.3. Functions: LCD screen, flow area setting, Max/Min, Auto power off, backlight and low battery indicator functions.4. Widely used: This digital wind speed meter is a Ideal instrument for windsurfing, sailing, fishing, kite flying and mountaineering, etc. And it can also be used for industrial and home purpose such as measuring wind speed of CPU computer fans, air conditioners, air blowers, etc.5. Digital anemometer Handheld measure wind speed in 6 units: m/s, ft/s, ft/m, km/h, mile/h, Knots.Specifications1. Power: 9V battery2. Product size: 165 × 85 × 38mm3. Product weight: 200g4. Product packaging: Color box + cloth bag5. Function: Wind speed measurement, area setting, air volume measurement, data retention, backlightingSpecification: Package Weight One Package Weight 0.30kgs / 0.67lb One Package Size 20cm * 12cm * 6cm / 7.87inch * 4.72inch * 2.36inch 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: 1. Digital anemometer provides fast measurement for analysis of critical environmental conditions. 2. This meter is a portable, professional wind speed measuring instrument with large-screen LCD and backlight, multi-unit switching functions. 3. Functions: LCD screen, flow area setting, Max/Min, Auto power off, backlight and low battery indicator functions. 4. Widely used: This digital wind speed meter is a ideal instrument for windsurfing, sailing, fishing, kite flying and mountaineering, etc. And it can also be used for industrial and home purpose such as measuring wind speed of CPU computer fans, air conditioners, air blowers, etc. 5. Digital anemometer Handheld measure wind speed in 6 units: m/s, ft/s, ft/m, km/h, mile/h, Knots. Specifications: 1. Power: 9V battery 2. Product size: 165 x 85 x 38mm 3. Product weight: 200g 4. Product packaging: Color box + cloth bag 5. Function: Wind speed measurement, area setting, air volume measurement, data retention, backlightingSpecification: Package Weight One Package Weight 0.30kgs / 0.67lb One Package Size 20cm * 12cm * 6cm / 7.87inch * 4.72inch * 2.36inch 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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