Tester Sensors Detectors

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High Security Pen Type AC Voltage Tester Non Contact High Precision AC10 Voltage Detector Tester Voltage Detector

$3.19-3.99 Min. Order: 2 pieces

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EK912 Fuel Cell Sensor Breathalyzer with Digital Display Alcohol Detector Breath Tester Battery Included

$28.35-40 Min. Order: 1 piece

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Alcohol Measurement Detection Module 0 500ppm UART Low Consumption Electrochemical Alcohol Sensor Module for Breath Gas Detector

$9.80-11.80 Min. Order: 1 piece

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MR5030B Portable Handheld Alcohol Detector S+alcohol Concentration Measuring Instrument Blowing Type Alcohol Analyzer

$5.99-6.80 Min. Order: 20 pieces

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LOW MOQ Professional Breath Alcohol Tester Digital Alcohol Detector Breathalyzer With Backlight Display Alcohol Tester

$5.60-7 Min. Order: 1 piece

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Stable Sensing Semiconductor Alcohol Tester One Click Start Portable Personal Breath Concentration Detector

$12.60-15 Min. Order: 1 piece

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SYU1050 O2 Gas Analyzer 100000 Sets Data Logger IP66 Waterproof Professional Oxygen Gas Tester for Laboratory Pharmaceutical

$150-250 Min. Order: 1 piece

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Industrial Online Oxygen Concentration Analyzer Transmitter with Long Life Span 10 Years for Metallurgy Chemical Processing

$192 Min. Order: 1 piece

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3 in 1 Soil Detector PH Moisture Sensor Soil Meter Tester Light and Humidity Test for Garden Farm Indoor & Outdoor

$1.42-1.80 Min. Order: 10 pieces

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Non Contact AC Voltage Sensor Stick Voltage Detector Tester AC Electric Tester Pen Type Personal Safety Voltage Detector Pen

$3.19-3.99 Min. Order: 1 piece

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New Arrivals Portable Breath Alcohol Tester Monitor Alcohol Breath Sensor Meter Alcohol Checker Meter

$6-7 Min. Order: 50 pieces

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Portable Dust Particle Counter Air Quality PM2.5 Meter Particle Dust Detector can Detect 0.3um 0.5um 1.0um 2.5um 5.0um 10um

$60-74 Min. Order: 1 piece

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MST136 Semiconductor Air Quality Gas Sensor High Sensitivity Low concentration Hydrogen Alcohol Smoke <30s

$0.80-1.10 Min. Order: 50 pieces

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Multifunctional O3 Meter 0 50PPM Tester PM2.5 TVOC Sensor Indoor Air Quality Monitor Ozone Detector O3 Gas Analyzer for Industry

$52-56 Min. Order: 1 piece

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Digital PM2.5 Detector and Temperature Humidity Meter Laser Sensor Instrument Apparatus for Air Quality Dust Smoke Haze Tester

$16-19 Min. Order: 1 piece

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Digital Detector Rechargeable Breathalyzer Portable Breath Tester with Smart Sensor Type C Charging

$6.40-7.60 Min. Order: 2 pieces

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Portable Single Gas Detector IP67 High Accuracy O2 H2S CO SO2 H2 NH3 Toxic Gas Monitor with LCD Display

$73-498 Min. Order: 2 sets

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Handheld Flammable Gas Analyzer LCD Display Methane Propane Sensor Portable Natural Combustible Gas Detector for CH4 EX

$16.90-18.50 Min. Order: 2 sets

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UNI-T UT673PV Solar Panel Tester With Clear LCD Smart MPPT Open Circuit Voltage Troubleshooting Data Test for PV Modules Tools

$32.44-34.32 Min. Order: 1 set

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Smart Sensor AR8100 Portable Oxygen Tester Digital O2 Oxygen Gas Meter with Carry Case

$65-72 Min. Order: 1 piece

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Radon Monitor Alpha Spectral Sensor Professional Radon Tester Portable Radon Detector for Water Air and Soil

$56.99-60.99 Min. Order: 1 piece

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Digital LCD Thermometer Hygrometer Fridge Freezer Tester Temperature Humidity Meter Detector Thermograph

$12-15.50 Min. Order: 1 unit

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Portable Handheld Breathalyzer with Built in Printer Fuel Cell Sensor Lithium Battery Alcohol Tester Detector

$400-420 Min. Order: 1 piece

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Mini All in One Digital Indoor Air Quality Monitor CO2 Gas Tester Detector Industrial Household Use Measures PM1.0 PM10 VOC

$35.99-45.99 Min. Order: 1 piece