Tester Sensors Detectors

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H3pro High Precision Personal Breathalyzer Device White Led Alcohol Detector Tester

$28-30 Min. Order: 20 pieces

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Alcohol Testing Breathalyzer and Detector for Vehicle Drivers

$36-40 Min. Order: 2 packs

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Portable Rechargeable Fuel Cell Breathalyzer with OLED Display

$19.90-28 Min. Order: 2 pieces

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Portable 2-in-1 Chlorine Tester and Temperature Meter for Swimming Pool Water Quality

$9.80-13.70 Min. Order: 1 piece

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Industrial Online COD Chemical Oxygen Demand Analyzer with Reagent-Free Testing, RS485, 4-20mA, IP68 and 316L Stainless Steel

$1,985-2,280 Min. Order: 1 piece

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Solar-Powered RS485/2G/4G Wireless Soil Moisture and Temperature Tester with Multi-Layer Sensor, IP67/IP68 Protection, -20 to 60°C

$307-352 Min. Order: 1 acre

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3-in-1 Soil Test Kit for Hydroponics

$1.40-1.60 Min. Order: 50 pieces

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6-in-1 Soil Fertility Meter with Backlight, pH, Moisture, Sunlight, Humidity and Temperature Detection

$7.20-7.75 Min. Order: 1 piece

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Online Oxygen Analyzer for Metallurgy, Chemical Processing, Environmental Monitoring and Medical Oxygen Generation

$192 Min. Order: 1 piece

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Compact Oxygen Transmitter with Terminal Block Wiring, PT1/4 Connection and <12VA Power Consumption

$192 Min. Order: 1 piece

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Oxygen Purity Tester, ±1% FS Linear Error, for Metallurgy and Chemical Processing

$192 Min. Order: 1 piece

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Oxygen Concentration Analyzer for Medical Oxygen Concentrators

$192 Min. Order: 1 piece

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Digital CO Alarm Detector with Temperature and Humidity Monitoring and 1-Year Warranty

$13-15 Min. Order: 15 pieces

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IRD-100 Handheld Infrared Leak Detector for Air Conditioner, Refrigerator and Car AC Repair

$137-139 Min. Order: 1 set

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Mini601 Fuel Cell Alcohol Detector Breathalyzer

$10.65-12.17 Min. Order: 1 piece

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Portable 7-in-1 O2 and CO Detector with Temperature and Humidity Monitor for Travel and Camping

$32-44 Min. Order: 1 piece

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Portable BAC Tester with Semiconductor Sensor and LCD Display

$14.50-20 Min. Order: 1 piece

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A1 Combustible Gas, Temperature and Humidity Monitor with WiFi, LCD Screen, Sensor and CO Meter

$20-22 Min. Order: 10 pieces

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Plug High Sensitivity CO2 Monitor 3 In 1 Detector Wall Mounted Air Quality Sensor Precise Temp Humidity Rechargeable Lithium

$11-13.90 Min. Order: 500 boxes

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Fuel Cell Professional Breathalyzer for Wine Overnight Security Driving Alcoholtester Alcohol Breath Tester Detector

$120 Min. Order: 5 pieces

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New Good Sale Accurate Fuel Cell Digital Alcohol Tester ALKOMAT digital alcohol tester alcohol test alcohol detector tool

$24-28 Min. Order: 1 piece

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Handheld Digital Alcohol Tester Integrated Lighting Strip OLED Display Red Blue Warning Lights Blow Test Detector 0 400mg 100mL

$24-29 Min. Order: 2 pieces

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JL269 High Precision Natural Gas Leak Detector Flammable Combustible Gas Concentration Tester Industrial Testing Device

$62-70 Min. Order: 1 piece

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8 in 1 USB Soil Tester Real Time EC pH Moisture Temp Salinity Analyzer High Accuracy for Precision Agriculture (NPK Ready)

$44-60 Min. Order: 1 piece