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Factory Supply 6 in 1 Soil Tester Soil Moisture Fertility Tester Soil pH Moisture Meter

$7.20-7.67 Min. Order: 1 piece

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Digital Ion Selective Multi Parameter Water Analyser Water Ion Tester Detector Ion Measurement Device

$520-540 Min. Order: 1 piece

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Alcohol Tester Professional Breath Alcohol Analyzer Alcohol Detector Alcotester

$4.50-6 Min. Order: 100 pieces

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Rechargeable ZL11B Pen Type High Voltage Tester 12-1000V High Precision AC20 Voltage Sensor Tester Pencil

$3.99-4.99 Min. Order: 5 pieces

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Smart 0~50 PPM NH3 Sensor Detector Ammonia Meter Digital Portable Automotive Ammonia Tester NH3 Gas Monitor

$45-50 Min. Order: 2 pieces

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40cm Flexible Probe Combustible Gas Leak Detector Analyzer Tester with Digital and Analog Displaying

$38-44.30 Min. Order: 1 set

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Bad Breath Tester with LCD Light New Style Odor Fresh Tester Different Colors to Choose

$8.50-10 Min. Order: 2 pieces

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HC-GY31 Industrial Metal Detector Concrete Wall Reinforcement Tester and Concrete Thickness Tester

$370-520 Min. Order: 1 acre

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Ignition Interlock Device Safety Equipment Alcohol Breath Tester Manual

$15-20 Min. Order: 2 pieces

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6387 Alcoholimetro Alcohol Tester Breathalyser Alcohol Meter

$4.50-5 Min. Order: 2 pieces

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Professional Digital AC20 High Precision Test Pencil Pen Type Wall Socket High Voltage Tester Precision Sensor for AC Power

$3.99-4.99 Min. Order: 5 pieces

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Two Pins Paper Humidity Tester Wall Hygrometer Timber Damp Detector Digital Wood Moisture Meter Moisture Detector Sensor

$4.80-5.50 Min. Order: 5 pieces

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Dual LED Digit Thermometer 2 NTC 10K Thermostat Sensor Probe DC 4-28V Temperature Monitor Tester for Car Indoor Detector

$1.16-1.42 Min. Order: 100 pieces

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St8819A Gaussmeter Electronic Handheld Tesla Meter with LCD and LED Screen Magnetic Field Tester Strength Detector

$39 Min. Order: 1 piece

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High Sensitivity Entrance Alcohol Sensor Blow Alcohol Test Mini Alkomat Portable Breathalyzer Digital Analyser Alcohol Tester

$2.10-2.20 Min. Order: 1 piece

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Portable Oxygen Gas Analyzer for Oxygen Concentrator 0-100%vol Oxygen Purity Tester

$90-105 Min. Order: 1 piece

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Non-Contact Voltage Detector Electrical Pen AC Voltage Tester Smart Breakpoint Finder 12-1000V

$2.99 Min. Order: 1 piece

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Smart Farm Poultry System WiFi LoRaWAN RS485 NH3 CO2 Temperature Humidity Ammonia Sensor

$56-110 Min. Order: 1 piece

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Electrician’s Pen Cordless Battery Powered Intelligent Induction Color Light Multifunctional Measuring Tool Safe Precise

$2.29 Min. Order: 5 pieces

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Portable Purity Oxygen Concentrator Tester 100%vol Oxigen Analyzer

$95-105 Min. Order: 1 piece

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UNI-T UT07 Series Socket Tester with UK/EU Plug Including Leakage Test with GFCI RCD for Home Detectors Sensors

$5.60-5.80 Min. Order: 48 pieces

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WQ700P Portable Nitrogen Gas Analyzer Automatic Tester for N2 Purity Customizable OLED Monitor Sensor Detector OEM

$130 Min. Order: 5 pieces

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WiFi Tuya Smart CO2 Detector 3 in 1 Carbon Dioxide Detector Air Quality Monitor Temperature Humidity Air Tester

$27.40-31.90 Min. Order: 1 piece

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High Precision Solid Electrolyte Sensor Carbon Dioxide Analyzer Digital Air Quality Tester Outdoor Indoor Mini CO2 Detector

$13.50-15.43 Min. Order: 2 pieces