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MesuLab Portable Digital Corn Maize Grain Humidity Moisture Content Tester Moisture Meter

$12-59 Min. Order: 1 unit

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Rugged Handheld 6 in 1 Multi Gas Detector Digital Industrial Gas Tester with High Low Alarm for CO H2S O2 CO2 NO2 LEL Monitoring

$299-856 Min. Order: 1 piece

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Odor Gas Detector bad Breath Tester Odor Breath Checker JSC 016

$7.99-8.99 Min. Order: 500 pieces

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In Stock Coin Operated Breathalyzer Gas Analyzers OEM and ODM Alcohol Detector for Bar and Public Places One way anti reflux mouthpiece

$215-220 Min. Order: 50 pieces

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WG188 Pocket Alcohol Breathalyzer with Semiconductor Sensor 2 AA Batteries 1 Year Warranty Personal Alcohol Detector OEM & ODM One way anti reflux mouthpiece

$8-12 Min. Order: 1 piece

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10 in 1 Soil PH EC Meter Air and Soil Humidity Temperature Sensor Soil N P K Detector with Light Adjustment

$50-53 Min. Order: 1 unit

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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