Test Equipment

1. Material: ABS2. Power specification: AC110/220V3. Temperature display range: -50 degrees to 100 degrees4. Temperature setting range: -30 to 100 degrees5. Working humidity range: 5-90%RH6. Temperature resolution: 0.5 degrees7. Sensor type: 10K39508. AI intelligent adjustment technology, cascade control adjustment, precise temperature control9. The circuit board is designed with strong anti-interference ability, which can deal with field interference in various complex working conditions10. Comprehensive power protection technology, safe and worry-free

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1. Small size, complete functions, simple operation and easy to carry.2. It can be powered by an adapter or a lithium battery (not included)3. Together with an oscilloscope, it can be used for testing and debugging electronic circuits, testing and measuring the frequency characteristics and impulse response of audio amplifiers. Due to its good accuracy and frequency stability, DDS is also very suitable for oscilloscope scan time factor calibration. Square wave output is suitable for oscilloscope attenuator and probe pulse characteristic adjustment, etc.Technical indicators:1. Frequency range: sine wave 1Hz-500kHz (the frequency with flat output amplitude reaches 200 kHz, and the output amplitude will decrease as the frequency further increases), other waveforms 1Hz-20kHz (but the upper limit of the adjustable frequency is not limited, if The requirements for distortion and shaking are not high, and the frequency of use can be further increased).2. Resolution: 1Hz.3. Output waveform: sine wave, square wave, triangle wave, forward sawtooth wave, reverse sawtooth wave, noise wave, electrocardiogram.4. Sine wave distortion: less than 1% below 1kHz, less than 0.5% at 1kHz and above.5. Output amplitude: maximum +/-10V (P-P).6. Output impedance: 50 ohms7.. DC offset: maximum +/-10V, with shutdown function.8. There is a filter that can be turned on and off, which can be well adapted to sine and pulse waveform output.9. Power supply: DC3.5-10V. It is recommended to use DC5V when using an adapter and 3.7V lithium battery when using battery power.10. Overall dimensions: 125x80x32.11. Weight (including accessories): about 0.2kg

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1. Widely used in gas pipeline leak detection, household gas prevention, gold mining, tunnel mine operations, oil and gas extraction, hazardous goods storage warehouses, etc. 2. It is convenient for users to safely detect various combustible gases, such as: methane, carbon monoxide, gasoline, ethylene oxide, etc. 3. Range: 0-1000PPM 4. Accuracy: less than or equal to 10% FS (methane) 5. Sensitivity: less than 50PPM (methane) 6. Response time: less than 2s 7. Warm-up time: about 30s 8. Display: LCD 9. Supports automatic zero return, automatic shutdown, and battery low voltage indication 10. Power supply method: AAA battery x2 (not included) 11. Size: 180x32x31mm

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Measurement range: -18 °C ~ 1150 °C ( 0 °F ~2102°F ) Accuracy: -18°C ~ 0°C( ± 3°C), 0°C ~100°C (± 1.5°C), 100°C~1150°C (±1.5%) Repeatability: 1 °C or 1% of reading Resolution: 0.1°C or 0.1°F Response Time: 500mSec, 95% response Emissivity : 0.1~1.00 adjustable Distance To Spot Ration: 50:1 Spectral response: 8~14μm Storage Temperature: -20°C ~ 60°C ( -4 °F ~140 °F ) Operating Temperature: 0°C ~ 40°C ( 32 °F ~104 °F ) Operating Humidity: 10-95% RH non-condensing, up to 30°C (86°F )

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featureThe device is standardized and accurate and easy to read. Digital displays are fast and easy to read.Product specifications1. Apply sugarSodium chloride NaClsalinitysalinityproportionRefractive index2. Measurement range:Salinity: 0.0~28.0%Salinity: 0~280‰Proportion: 1.000~1.217Refractive index: 1.3330-1.4200nD3. Salt absorptionSalinity: 0.1%Salinity: 1‰Specific gravity: 0.001Refractive index: 0.0001nD4. AccuracySalinity: ±0.2%Salinity: ±2‰Specific gravity: ±0.002Refractive index: ±0.0003nD

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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 Manual

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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 Manual

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Brand Name:SNDWAYInduction range:More than 50cm1. Positioning is blocked within 5cm, greatly reducing the removal area2. With 4 sets of waterproof probe sets to be replaced, all kinds of environments can cope3. 50cm signal penetration, using smart chip, the induction is stronger4. Sensitivity can be adjusted, increase the size of the induction blockage point, together with a large sound buzzer, small, small range of accurate positioning of the blockage point, can clearly distinguish the blockage position5. Built-in lithium battery, straightforward and convenient

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Features:1. With magnet adsorption2. Four-digit display for large range3. With waterproof, digital storage, lock, automatic shutdown functions4. New appearance, classic fashion designTechnical Parameters:1. Measuring range EC: 0-9999uS2. Temperature: 0-80 degrees Celsius; 32-176 degrees Fahrenheit3. Accuracy: +/-2﹪4. Battery: CR2032 button battery x1 (delivered with battery)5. Size: 15 x 2.8x 1.3cm6. Weight: 42.5 g (1.5 oz)7. Purpose: Water treatment, purification equipment, household water purifier, flower aquarium

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1. The high linear scales is designed, high , stable and accurate. 2. The signal line adopts multi-layer isolation steel and metal soft shell protection, waterproof and anti-interference fine. 3. Easy to install and maintain, waterproof, dust-proof good, long service life. 4. Widely used, high stabilization, capacity of resisting disturbance well. 5. Suitable for JCS900-2AE / JCS900-3AE data display instrument. 6. Material: metal 7. Accuracy: +-5um 8. Resolution: 5um 9. Measuring Range: 0mm-100mm

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1. The high linear scales is designed, high , stable and accurate. 2. The signal line adopts multi-layer isolation steel and metal soft shell protection, waterproof and anti-interference fine. 3. Easy to install and maintain, waterproof, dust-proof good, long service life. 4. Widely used, high stabilization, capacity of resisting disturbance well. 5. Suitable for JCS900-2AE / JCS900-3AE data display instrument. 6. Material: metal 7. Accuracy: +-5um 8. Resolution: 5um 9. Measuring Range: 0mm-300mm

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1. The high linear scales is designed, high, stable and accurate. 2. The signal line adopts multi-layer isolation steel and metal soft shell protection, waterproof and anti-interference fine. 3. Easy to install and maintain, waterproof, dust-proof good, long service life. 4. Widely used, high stabilization, capacity of resisting disturbance well. 5. Suitable for JCS900-2AE / JCS900-3AE data display instrument. 6. Material: metal 7. Accuracy: +-5um 8. Resolution: 5um 9. Measuring Range: 0mm-800mm

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1. The high linear scales is designed, high , stable and accurate. 2. The signal line adopts multi-layer isolation steel and metal soft shell protection, waterproof and anti-interference fine. 3. Easy to install and maintain, waterproof, dust-proof good, long service life. 4. Widely used, high stabilization, capacity of resisting disturbance well. 5. Suitable for JCS900-2AE / JCS900-3AE data display instrument. 6. Material: metal 7. Accuracy: +-5um 8. Resolution: 5um 9. Measuring Range: 0mm-900mm

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1. Use a 9V battery2. Measuring range: 0-5003. Resolution: 1.0mm4. Measuring accuracy: ±0.2mm5. Wide adaptability6. Low consumption, durable7. Accurate measurement and clear reading8. Fast detection speed and high sensitivity9. Adapt to the water quality of various environments and regions10. Scope of use: tunnel lining, bridges, slopes, docks, gates, continuous walls11. The use of anti-grading excitation circuit and corrosion-resistant electrode can effectively prevent the electrode from oxidizing and rusting, and keep the sensitivity unchanged for long-term use12. Size: 30x43x14.5cm13. Net weight: 2.7kg for 10 meters, 3.3kg for 20 meters, 2.85kg for 30 meters, 2.95kg for 50 meters, 4.3kg for 100 meters

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Test content: O3+AQI+Temperature+Humidity 1. Electrochemical sensor 2. TFT LCD screen display 3. Resolution: 320 x 240 pixels 4. It can be used in office, indoor outdoor and detection of ozone residue after disinfection. 5. 24 hours real time monitoring 6. Power supply: Built-in Li-battery 2000mAh 7. Material: ABS with TFT Screen 8. Color: Black & Orange 9. Detection data range: O3(0-50ppm) 10. Size : 164 x 74 x 26mm

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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 2.9cm

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1. Model: GM510 2. With11unitsto select:bar,mbar,kPa,kgf/cm2,mmHg,cmH2O,Ozf/in2,psi,inHg,inH2O,ftH2O. 3. USB dara hold. 4. USB interface 5. Low battery indicator function 6. Auto power off. 7. A computer through a USB adapter,can be used to record special software for data analysis

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1. Ergonomically designed to fit wearing in finger 2. Portable, compact design, Light weight, easy for carry 3. With luminous function, clear to see, lower consumption Specifications: 1. Brand Name: RV77 2. DIY Supplies: Electrical 3. Type:5-digit Counters 4. Material: Plastic 5. Color: Random 6. Size: 3.8x3x1.8cm 7. Weight: 17g Package Included: 1 x Counter

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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.

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1. Model: ME-9101 2. Type: Wobble Stick Type, Automatic Reset 3. Power: AC 250V, 5A / DC: 115V, 0.4A 4. Mounting Hole Diameter: 4.5mm 5. Hole Center Point Distance: 56mm x 21mm 6. Stick Length: 90mm (70mm distance adjustable) 7. Body Dimension: 88 x 28 x 25mm 8. Color: Black & Blue 9. Material: Plastic, Metal & Rubber 10.Weight: 64g

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1. Material: Aluminum Shell, ABS Shell 2. Spring force is uniform and stable, fine grinding closure is good. 3. Pressure handle, circular measurement, with metric-British conversion function 4. LCD screen display, easy to use 5. Suitable for measuring all kinds of planar soft materials, such as leather, paper, film, sponge, wire, etc. 6. Size: 120*100mm

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RZ230 Paint Film Meter Tester Coating Measure Thickness Gauge Digital Portable Mini Thickness Gauge TesterIntroductions:The thickness gauge is used to measure the thickness of the plated and coatedsheeton metal, e.g. paint/enamel/ chrome on steel, paint and anodizing coating on aluminum/copper.The gauge takes the precision integrated probe, and uses principles of electro-magnetic inductionand the eddy current effect, which automatically detects the attributeof substrates. Application Field:The Gauge is designed for non-destructively measuring the thickness of coating and painting. It is essential for material surface treatment and widely used in manufacturing industry, metal-processing industry, chemical industry, commodity inspection area, and also able to work steadily in the laboratory, workshop and outdoor. Operating Principle:Thegauge adopts the principle of electromagnetic induction and eddy current effect.It has F probe and N probe.F probe works on the magnetic induction principle and should be used for detecting the non-magnetic coating’s thickness such as chrome/copper/zinc/varnish/rubber on the iron/steel substrate.N probe works on the eddy current principle and should be used for detecting the insulating coating’s thickness such as paint/anodizing/ceramics on the aluminum/copper/brass substrate.

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It transmits at a constant speed and distinguishes the waves reflected from the back of the instrument.2. It can also be widely used in manufacturing, metal processing, commodity inspection and other materials that allow ultrasonic waves.3. Ultrasonic thickness gauge is suitable for materials that conduct and reflect constant sound waves, such as metal, plastic, ceramic, glass, etc.4. The intelligent hand-held ultrasonic thickness gauge is controlled by microprocessor, which can measure the thickness quickly and accurately, and has the sound of various materials, without the need of ultrasonic measurement damage.5. The tool is capable of accurately measuring parts in different materials or industrial production, as well as monitoring pressure vessels in pipes and production equipment, and the degree of corrosion of various parts.6. Measurement range: 1.00 -300.0mm7. Data Storage: 15008.8.3 1.2V nickel-metal hydride rechargeable battery but not equipped

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1. Air Velocity & Temperature Measurement；2. Max/Average/Current air velocity measurement;3. ℃/℉ Temperature unit selection;4. Five units of air velocity:M/s, Km/h, ft/min, Knots, mph5. Beaufort scale;6. Backlight display;7. Manual/Auto power shut off;8. Wind chill indication;9. Low battery indication.B. LCD

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Features1. Measurement of wind velocity, temperature and flow 2. Unit conversion of wind velocity,temperature and flow 3. Measurement of MAX and MIN wind velocity 4. Measurement of 2/3V max and average wind flow 5. Data holding,storing and deleting function 6. Low battery indicating function 7. Auto power off function (power off autocratically if no further operation for 10 minutes) 8. Large LCD display, backlight 9. Retractable drag rodSpecification1. Measuring Range: - Air Velocity: 0-45m/s, 0-140km/hr, 0-8800Ft/min, 0-88 knots, 0-100mph(accuracy +/-3%) - Air Temperature: 0 degree C~+45 degree C, 32 degree F-113 degree F(Accuracy+/-2 degree C) 2. Resolution: 1 degree C, 0.1m/s 3. Units of velocity: m/s.ft/min, knots, km/hr, mph 4. Power supply: 4 x 1.5V AAA battery (not included)

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1. Moisture measurement range: 0-50% 2. Temperature measurement range: 0-50 degree C / 32-122 degree F 3. Measurement error / moisture value: +/-1.5 4. Temperature value: +/- 2 degree C / +/- 3.6 degree F 5. Wood density range : 0.27-1.05g/cm3 6. Detection depth: 0-50mm 7. The moisture response speed: 2s 8. Displayer: LCD 9. Runs on one 9V battery 10. Data hold function (memory function) 11. Moisture limit value setting 12. Battery level indication 13. Auto power-off function

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Description: 1) Measurement through HF electromagnetic sensing 2) 10 different timber density at option 3) Automatic temperature compensation 4) Setting of upper limit of moisture content ratio, prompting of overrunning 5) Ultra-large LCD ensuring clear readings 6) Automatic prompting of low voltage Specifications: 1) MODEL: MD918 2) Measuring Range: 4%~80% 3) Max. Error: +/- 1%Rh+0.5 4) Resolution: 0.5% 5) Battery: 3 x 1.5V AAA battery (not included) 6) Size: 13.2cm x 6.7cm x 2.6cm

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1. Measurement range: 2~40%/50%/60%/70% 2. Emissivity: 0.5 preset 3. Humidity range: 20%RH~90%RH 4. The moisture response speed: 1s 5. Displayer: LCD 6. Reading lock 7. Environment temperature automatic compensation 8. Power: 2 x 1.5V AAA battery (not included)

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1. Easy-to-use. Just put the test pen into the water you want to test and press the button, then the TDS(total dissolved solids) of water shows on the display. 2. Superb technique, accurate data. Measure water purity accurately, pay close attention to families'health and safety. The lower the TDS the higher purity water has. 3. Extensively application. You can use it to test the purity of running water, plain boiled water, barreled pure water, cell water, filtered water, aquarium water, and so on. 4. lowenergy and intelligent. The tester has IPX6 waterproof body and lowenergy chip, it will auto off above 2 minutes nonuse. 5. 2 changeable button batteries are built in it. 6. Test range: 0-9990.

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Main unit: 190 mm x 20 mmHandle probe: 150 mm longProbe (only): 48 mm longCable (only): 300 mm longPower: 1 aa alkaline battery (1.5v)Weight: 160g b (without battery)include:1 pH and Cl2 probe tester1 manual1 sandpaperStandard factory packagingPackaging InformationUnit type: weight per piece: 0.221 kg (0.49 lbs) Packing: 19 cm x 12 cm x 5 cm (7.48 in x 4.72 in x 1.97 in)

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1. Series: portable PH test pen2. Working temperature: 0-60 degree C3. Measurement range: 0.00-14.00PH4. Resolution / accuracy: 0.01PH5. Battery: 2x1.5V (LR44) button batteries6. Calibration method: (4.01 / 6.86 / 9.18) three-point calibration7. Scope of application: domestic water, food PH, aquarium water quality, aquaculture and other fields8.Features: highly sensitive measuring probe, automatic temperature compensation function, three-point calibration function, automatic calibration function, easy to use, large screen display9. Product accessories:- 1xPH test pen- 1xPH 4.01 25 degree C PH Buffer Powder- 1xPH 6.86 25 degree C PH Buffer Powder- 1x user manual- 1x packaging box10. Product size / weight: 15.5x3.1x1.7cm / 49g11. Note: Some customers report that the product has data jumps, which is normal. (When using this product: After being placed in water, the data will always change slowly from the last decimal point, this is because the PH meter needs to adapt to the test environment. The data will be stable for about 1 minute when it is still, and this the final test data. In addition, if the water surface shakes, the data will also jump, so the test must ensure that the water surface is still.)

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1. Module parameters:- Power supply voltage: DC4.5-6V (micro USB interface)- Working current: no more than 70mA- Discharge voltage: 1.00V-15.00V Resolution 0.01V- End voltage range: 0.5-11.0V- Support through current: no more than 3.000A resolution 0.001A- Voltage measurement error: less than 1% + 0.02V- Current measurement error: less than 1.2% +-0.002A- Battery capacity range: 9999Ah (1Ah = 1000mAh) 2.2. When the value is large, it is switched by decimal point shift. When it is less than 10Ah, it will be displayed as X.XXX, when it reaches more than 10Ah, it will be displayed as XX.XX, and so on.3. Circuit board size: 50mmX37mm4. Finished product size: 50mmX37mmX17mm (Length X Width X Height, including copper foot height)5. Weight of board and accessories: single board 28g (including copper pillar), two 5W ceramic resistors 9g, 50W resistor about 27g (including wire)6. Note: In order to improve the voltage measurement accuracy, this circuit is specially designed with DC bias. When the terminal is connected nothing, a small voltage will be displayed, which does not affect the actual measurement. 0V) will display 0. If you want to understand the principle, you can check the superposition theorem in electrical engineering.7. How to use:- The battery under test should be fully charged first.- Connect the positive pole of the battery under test to the input positive pole, and the negative pole to the negative pole of the input. Connect the load to the output positive pole and the output negative pole, and connect the tester micro USB with working power (not available for desktop or notebook USB power supply). The battery voltage is displayed at this time.- To start the test directly, just press the “OK” button, the tester can automatically formulate a suitable termination voltage according to the full charge voltage of the battery, and will flash the display 3 times to start the test. Need to manually set the termination voltage, just press the "+" or "-" button to modify in the battery voltage display state, the termination voltage is displayed at the beginning of P, the back represents the voltage value, the resolution is 0.1V, after setting, press "OK" "start testing.- After the test starts, the tester will turn on the electronic switch that controls the load. The test process data display will be displayed between the discharge capacity (Ah), the current discharge current (A) and the battery voltage (V). When the battery voltage reaches the set termination voltage, the tester cuts off the load control switch, the display data stays above the capacity (Ah) and flashes quickly with the corresponding indicator light, the displayed capacity is the actual discharge capacity of the battery, press it "OK" can stop the flashing and let the data display stably. Press the "OK" button again to restore to the state of just powering up and replace the battery to test the next section ...8. Error code and meaning:- Err1: The battery voltage is higher than 15V- Err2: The battery voltage is lower than the set termination voltage- Err3: The battery cannot bear the load discharge current or the line internal resistance is too large- Err4: Current is too large (current exceeds 3.1A)- Err5: Improper use or wiring error has caused the device to burn down and cannot be used (current sampling or control switch MOS burned)9. Note: If the battery is reversed, when the load is turned on and the load current is large (about> 0.8A), the circuit switch tube may be damaged!10. Secondary calibration operation: Press and hold three buttons to power on the tester at the same time, enter the calibration mode, first display the number of calibration records, then enter the formal calibration sampling program to display 0u0A, then short-circuit the input positive and negative poles and press "OK "Button to complete displaying J10u, apply a standard DC voltage of 10.00V between the input positive and negative electrodes, press the" OK "button, and then display J2.0A, apply to the output negative electrode (inflow direction) and input negative electrode (outflow direction) After a constant DC current of 2.0A, press the "OK" button once to complete the calibration. The tester will pre-check the calibration data. If the calibration data is reliable, it will display 4 calibration numbers in turn and then exit. If the pre-audit believes that the data is not reliable, discard the data and exit.

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Features1. The product has reverse connection protection, it will not burn out if it is reversed 2. Lead-acid battery Lithium battery is universal and can be adjusted through the buttons on the back 3. It can display battery symbol + percentage or battery symbol + voltmeter, the two display modes can be switched at will 4. The product has only two wires, simple wiring, equipped with a wiring socket, and the wire length is 300mm 5. All battery specifications and function selections are set through the buttons on the back, no electric soldering iron is requiredSpecification1. Work voltage: 10-100V 2. Work current: Less than 5mA 3. Sleep current: 12uA (12V test) 4. Display: LCD with backlit 5. Suitable for: 3-27 x 3.7V Lithium Batteries; Lead Acid Batteries 12V, 24V, 36V, 48V, 60V, 72V, 84V 6. Dimensions: 61.3 x 33.3 x 13.5mm 7. Mounting hole Size: 58.5 x 28.5mm 8. Wire Length: 30cm

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Features1. The product has reverse connection protection, it will not burn out if it is reversed 2. Lead-acid battery Lithium battery is universal and can be adjusted through the buttons on the back 3. It can display battery symbol + percentage or battery symbol + voltmeter, the two display modes can be switched at will 4. The product has only two wires, simple wiring, equipped with a wiring socket, and the wire length is 300mm 5. All battery specifications and function selections are set through the buttons on the back, no electric soldering iron is requiredSpecification1. Work voltage: 10-100V 2. Work current: Less than 5mA 3. Sleep current: 12uA (12V test) 4. Display: LCD with backlit 5. Suitable for: 3-27 x 3.7V Lithium Batteries; Lead Acid Batteries 12V, 24V, 36V, 48V, 60V, 72V, 84V 6. Dimensions: 61.3 x 33.3 x 13.5mm 7. Mounting hole Size: 58.5 x 28.5mm 8. Wire Length: 30cm

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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 manual

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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.

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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.

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1. Model: A830L 2. Type: Digital Multimeter 3. Measurement function: DC current, DC voltage, resistance, AC voltage, on-off, triode, diode, 1.5v battery 4. DC voltage range: 600V 5. AC voltage range: 600V 6. DC current range: 10A 7. AC current range: 10A 8. Standard accessories: test leads, instructions 9. Dimensions: 135 x 67 x 33mm 10. Battery type: 6F22 type 9V battery 11. Net weight: 0.15Kg

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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 testing

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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 inductance

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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: 180KHz

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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.

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1.It adopts 0.96 inch IPS high definition colorful LCD screen, high brightness, wide angle, and has a long service life.2.Real-time detection of the charging status of the charger, clearly shows the voltage / current / power and other indicators.3.High precision and stability, small errors. It is the choice for electronics enthusiasts.4.Power failure storage function, can keep the data in time for further observation.5.Support the identification of QC2.0, QC3.0, PD, fast charging protocol.6.Designed with Type-C interface, it has a wide application, suitable for mobile phones, laptops, chargers, car chargers, etc.

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1. Voltage: DC 4V-30V (overvoltage protection can be set).2. Current: 0-5.5A (overcurrent protection can be set).3. Power: 0-150W4. Electricity: 0-99999mAh5. Energy: 0-999.9mWh6. Time: 0-99 hours7. Countdown: 0-24 hours8. Load resistance: 0-999.99Ohm9. Current / temperature10. Data output voltage11. Supply voltage

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On appearance: 1. 86mm hidden box and european 60mm round box is suitable. 2. White, black housing creates your colorful life. 3. White backlight protect your eyes. 4. Touch buttons to make simple operation. 5. Amazing silver frame opens your modern life. On functionality: 1. Powerful functions are available such as Modbus/WiFi etc. 2. 0.5 Degrees Celsius accuracy keeps temperature within the level you set. 3. Data memory when power is off. 4. 5+2 periods programmable maximize comfort and economy. 5. Create thermostat group to centrally control. 6. Integrated with Amazon Echo, Google Home, Tmall Genie, IFTTT. 7. Support device sharing. 8. All setting languages synchronize your time zone, address and language. 9. No limit to add room. 10. Support smart scene.

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Product Introduction 1) This High Accuracy 200000 Lux Digital Light Meter Lux meter LX1330B is new and never used. It is a precise instrument used to measure illuminance in the field, you can use it to measure the illuminance of different locations. With ultra-large screen, easy to read the measured data. Small size, light weight, convenient to carry. Features 1) New and high quality 2) High accuracy and rapid response 3) Data-hold function 4) Unit and sign display for easy reading 5) Holding for maximum measured value 6) Automatic zeroing 7) Meter corrected for luminous, efficiency function 8) Short rise and fall time Specifications 1) Display: 3 1/2 digit LCD display 2) Measuring range: 200, 2000, 20000 and 200000 Lux 3) Over range display: Highest digit of "1" is displayed 4) Repeatability:±2% 5) Temperature characteristic: 0.1%℃ 6) Photosensitive component Si-light Cell attached with light filter 7) Measuring rate: Approximately 2.0 time / sec 8) Power supply: 1 x 9V battery (NEDA 1604 or jls 006P or IEC6F22) 9) Working temperature: 0~40℃,(32°F to 104°F) 0~80%Rh 10) Storage temperature: -10~60℃, (14°F to 140°F) 0~80%Rh 11) Size: 16cm x 7.5cm x 4cm

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*Wide measurement range: 30~130dB*Accuracy up to 1.5dB*This unit was designed according to following standards: ----A. International electrician committee standard: IEC PUB 651 TYPE2 ----B. US national standard: ANSI S1.4 TYPE2*100% Brand New*With modern, compact, portable design.*Easy to use*Frequency weighting characteristic: A*Equipped with sponge ball to filter-out unwanted signals.*Max reading hold*Auto power off*Auto backlight display*Low battery indication*Approved by CE/ROHS/FCC standard*Under 1 year guarantee

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Features:1. Large LCD, easy-to-read 3.5-inch high-definition display.2. Durable protective shell can prevent impact, friction and collision.3. Non-contact AC voltage detection, top sensor probe design, more securely identify AC voltage.4. The high-resolution large screen can display 3 test results on the screen, including voltage, frequency, and analog bars.parameter:1. Dimensions: 143.4 x 70.9 x 15.7mm2. Display: 9999 times3. Screen: 3.5 inches4. Resolution: 0.11ohms5. S10 power supply: 1.5V (AAA) x 2 (not included)6. S11 power supply: 800 mA lithium battery7. Diode: automatically recognize the diode when it is lower than 3.0V8. DC voltage: 0.8V-620V +/-(0.5%+3), resolution: 0.001V9. AC voltage: 2.2V-620V +/-(0.5%+5), resolution: 0.001V10. Resistance: 1Ω-999.9ohms +/-(2.0%+5), 1kohms-60Mohms +/-(1.0%+3)11. V-Alert (non-contact voltage detection): buzzer alarm sound，on-site inspection: alarm buzzer, LCD screen display stripes12. Continuity: If the resistance is less than 30ohms, the buzzer will sound13. Frequency:- 1Hz-1000Hz +/-(1.0%+5) (ACV:2V-10V); resolution: 0.001Hz- 1KHz-60KHz +/-(1.0%+5) (ACV:10V-620V); resolution: 0.001HzPacking list:S10:S10 Multimeter x 1Test cable x 1Manual x1S11:S11 Multimeter x 1Test cable x 1Type-C charging cable x 1EVA cloth bag x 1Protective shell x 1Manual x1Note: The actual product is subject to the title model, the model machine of the picture is only for effect reference

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