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Department

Test Instruments & Tools Environmental Measurement Instruments

Gas Detectors

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89results

Gas Detectors

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29 Quick view
2CO16TB 6 In 1 Multifunctional Air Quality Monitor, Portable Formaldehyde Detector Professional Air Quality Tester CO, TVOC, HCHO, Humidity & Temperature Analyzer

US$55.49
US$39.95

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SKU:E25034W
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32 Quick view
20 in 1 Tuya WIFI Intelligent Air Quality Monitor Indoor CO2 Detector CO/CO2/TVOC/HCHO/PM2.5/PM1.0/PM10/Temperature/Humidity/Time/Date/Alarm Support Remote APP Control Alarm Function for Home Office (with 5 Subunits)

US$117.65
US$81.02

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SKU:E26084-5
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46 Quick view
Handheld Combustible Gases Leak Detector Natural Gases Leakage Analyzer Tester Portable Gases Leak Location Determine Meter with Sound and Light Alarm

US$44.39
US$24.41

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SKU:E22885-1
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Dust Particle Counter 3-Channel 0.3um/ 2.5um/ 10um PM2.5 PM10 Detector with 3.2-inch Backlight TFT Color Screen Rechargeable Air Quality Tester Temperature Humidity Monitor for Home Office Industrial Use

US$398.15

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SKU:E19281GY-Y
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31 Quick view
Household 1.9inch 240*280 Resolution Color Display Air Quality Detector High Sensitive Semiconductor Sensors 5in1 HCHO TVOC CO2 Temperature Humidity Tester Type-C Interface

US$33.29
US$23.3

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SKU:E22982B
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39 Quick view
Air Quality Monitor Indoor Air Quality Tester HCHO/CO₂/TVOC/PM2.5/Temp/Humidity Air Quality Detector High Precision Sensor

US$174.26
US$106.55

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SKU:E25611
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18 Quick view
Electrochemical Formaldehyde Sensor Air Quality Detector HCHO TVOC CO2 Tester High Precise Temperature Humidity Test Meter with Voice Alarm Function

US$32.18
US$26.63

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SKU:E26039W
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48 Quick view
Digital LED Display CO Detector Portable Carbon Monoxide Tester Multifunctional Temperature and Humidity Test Meter Electrochemical CO Sensor Household Air Quality Tester

US$39.95
US$20.96

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SKU:E25553
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31 Quick view
Tuya WiFi Air Quality Meter 13-in-1 Indoor Air Quality Monitor Detects CO₂ TVOC HCHO PM2.5 PM1.0 PM10 Humidity and Temperature Time Date Alarm Timer and Stopwatch Timer with Alarm for Home Offices School Hotel

US$54.38
US$37.73

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SKU:E25112B
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34 Quick view
14 in 1 Tuya WIFI Intelligent Air Quality Monitor Indoor CO2 Detector Support Remote APP Control Alarm Function for Home Office

US$62.15
US$41.06

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SKU:LME00003W
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35 Quick view
Tuya Wifi BT Two Connection Smoke Detector Temperature Humidity Measurement Device 80dB Sound Alarm with Cellphone APP Remote Push Alert Function Compatible with Alexa and Google Home Voice Control

US$28.85
US$18.86

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SKU:E24157
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28 Quick view
Tuya WiFi CO Detector Portable Carbon Monoxide Tester Household Air Quality Tester

US$39.95
US$28.85

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SKU:E25676-W
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22 Quick view
Handheld Combustible Gases Leak Detector Natural Gases Leakage Tester Portable Combustible Gases Concentration Analyzer Meter with Temperature Test and Sound Light Alarm Function

US$28.28
US$22.19

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SKU:E24538
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34 Quick view
Handheld Carbon Monoxide Detector Portable Carbonic Oxide Concentration Testing Meter with Temperature Test and Sound Light Alarm Function

US$44.39
US$29.5

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SKU:E23760
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38 Quick view
HABOTEST HT609PRO Gas Leak Detector 50-1000PPM Natural Gas Detector

US$44.39
US$27.74

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SKU:E25562
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Indoor Portable CO2 Detector Multifunctional Thermohygrometer Home Digital Air Detector Intelligent Air Quality Analyzer Household Air Pollution Monitor

US$36.62

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(10)

SKU:E17248B
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Multifunctional Air Quality Tester CO2 TVOC Meter Temperature Humidity Measuring Device

US$53.82

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SKU:E18147
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40 Quick view
Gas Leak Detector WiFi Home Gas Alarm Tuya APP Monitor Mini Gas Detector for Home Kitchen Bathrooms Warehouses Color LCD Screen Kitchen Natural Propane Gas Detector

US$37.73
US$22.84

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SKU:HS6968
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39 Quick view
13 in 1 Tuya WIFI Intelligent Air Quality Monitor Indoor CO2 Detector

US$55.49
US$34.4

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SKU:LME00037B
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40 Quick view
PV1000-DW Smart WIFI Large 4-in-1 Carbon Dioxide Detector, Indoor Air Quality Monitor Portable CO2 Monitor, Tester for Time, Carbon Dioxide, Temperature & Humidity, CO2 Meter with Alarm, for Home, Car, Grow Tents, Travel

US$98.78
US$59.81

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SKU:E25039EU
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45 Quick view
Handheld Combustible Gases Leak Detector Natural Gases Leakage Tester Portable PPM Meter Combustible Gases Detection Tool 4 Concentration Indicators with Sound and Light Alarm

US$32.18
US$17.75

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SKU:E22598
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41 Quick view
SMART SENSOR Oxygen Gas Detector Digital Portable Handheld O₂ Gas Tester Rechargeable Precision Oxygen Meter O₂ Concentration Measurement Tester Device for Climbing Tunnel Laboratory and Industry

US$195.35
US$116.42

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SKU:E25423
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39 Quick view
Electrochemical Sensor Carbon Monoxide Gases Leakage Detector Unit 3-digit LCD Display Sound and Light Alarm LED Indicator Lights with Fault Self-Test Low Battery Reminder Memory Functions

US$23.3
US$14.3

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SKU:E25945
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44 Quick view
Tuya Wifi Independent Photoelectric Sensor Smoke Detector Fire Protecting Sound Light Fire Alarm with Cellphone APP Remote Push Alert Function

US$27.74
US$15.71

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(2)

SKU:E25427
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33 Quick view
Tuya WiFi15in1 Air Quality Detector Household Portable AQI PM0.3 PM1.0 PM2.5 PM10 CO CO2 TVOC HCHO Tester TFT Display Multifunctional Time Temperature and Humidity Test Meter Versatile Time Clock Timer with Alarm Function

US$81.02
US$54.38

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SKU:E25932-B
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39 Quick view
HABOTEST HT609 Gas Leak Detector Combustible Gas Detector with LCD Display Audible and Visual Alarm Ambient Temperature and Humidity Methane Natural Gas Hydrogen Detector

US$39.95
US$24.41

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SKU:E22246
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35 Quick view
6 in 1 Air Quality Monitor 5-inch LCD Display BT Tuya APP Control CO2 Detector with 128MB Secure Digital Memory Card

US$114.32
US$74.36

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SKU:H47555W
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34 Quick view
2-in-1 WiFi CO & Smoke Detector Intelligent Alarm Sensor for House Bedroom Living Room Factory Hotel

US$43.28
US$28.85

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SKU:E23606
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BRJ-502D Plug-in Digital Natural Gas Detector High Sensitive Home Gas Alarm Combustible Gas Leak Monitor for Home Kitchen

US$33.29

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SKU:E21380-EU
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33 Quick view
2 Packs Carbon Monoxide Detectors Battery Operated CO Alarm Detector Monitor with LCD Digital Display for House Kitchen Restaurant Hotel Office - Batteries NOT Included

US$31.07
US$21.08

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SKU:H47620W-1
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30 Quick view
8 in 1 Air Quality Monitor CO2 Meter Carbon Dioxide Detector CO2 TVOC HCHO PM2.5 PM1.0 PM10 Temperature Humidity Detection with Alarm Function for Home Office Car

US$37.73
US$26.63

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SKU:LME00013B
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25 Quick view
14-in-1 Indoor Air Quality Monitor Tuya WiFi Air Quality Detector Detects CO₂ CO TVOC HCHO Temperature and Humidity PM2.5 PM1.0 PM10 2.8inch TFT Color Display Support Cellphone APP Control with Time Date Alarm Timer and Stopwatch Timer Function

US$63.26
US$47.72

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(1)

SKU:E25113B
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MESTEK CGD02A Combustible Gas Detector High Precision Hand-held Gas Leak Tester Monitor VA Reverse Display Sound and Light Alarm 0-50000ppm

US$95.44

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SKU:E18989
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38 Quick view
Handheld Combustible Gases Leak Detector Natural Gases Leakage Tester Portable Combustible Gases Concentration Test Meter Gases Sniffer Test with Sound Light Alarm Function

US$26.63
US$16.64

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SKU:E26107
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38 Quick view
Tuya Wifi Portable Electrochemical Sensor CO Tester LCD Screen Carbon Monoxide Detector with Sound Lihgt Alarm and Low Battery Reminder Function

US$33.29
US$20.96

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SKU:E25222
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43 Quick view
3-in-1 Multifunctional Air Quality Detector Temperature Humidity Monitor Indoor/Outdoor O2 Tester

US$139.85
US$81.02

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SKU:E24560
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38 Quick view
Tuya Wifi Smoke Detector Fire Protecting Sound Alarm Sensor Cellphone APP Remote Push Alert with Alarm Cancel Function

US$31.73
US$19.97

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SKU:E23826
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36 Quick view
Handheld Combustible Gases Leak Detector Natural Gases Leakage Tester Portable Combustible Gases Concentration Analyzer Meter with Sound Light Alarm Function

US$31.62
US$20.51

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(1)

SKU:E24898-1
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46 Quick view
2.4 Inch Digital LCD Display Screen Portable Handheld Infrared Thermal Imager Thermal Imaging Camera Thermometer Measurement Instrument Multipurpose Detection Tool

US$139.85
US$76.02

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SKU:E24706
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42 Quick view
Portable Air Quality Meter4.8Inch Large Screen Carbon Dioxide Detector HCHO/TVOC/CO2/PM2.5/PM10/AQI/C6H6 Temperature and Humidity Tester

US$162.05
US$95.45

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SKU:E24625
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