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Department

Test Instruments & Tools Environmental Measurement Instruments

Gas Detectors

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Gas Detectors

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35 Quick view
Smoke and Carbon Monoxide Detector Combo with Sound Warning and LCD Display Battery Powered CO Smoke Alarm Detector for Kitchen Bathroom Bedroom Coal Stove 3 Packs - 2 AA Battery Not Included

US$75.89
US$49.44

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SKU:H47622W-2
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42 Quick view
SMART SENSOR 4 in 1 Gas Monitor Rechargeable Portable Gas Detector H₂S O₂ CO and LEL Multi Gas Monitor Professional Gas Sniffer with LCD Display Sound Vibration Flash Alarm Mode

US$148.34
US$87.26

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(1)

SKU:E24481
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35 Quick view
Tuya Zigbee Intelligent Wireless Smoke Detection Device 360 ° Induction Home Smoke Alert Detector Sound Light Alarm and Short Messaging Notification Low Battery Alert Mobilephone APP One-click Silencing

US$28.74
US$18.96

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SKU:E22687
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30 Quick view
Carbon Monoxide Detector Electrochemical Sensor Carbonic Oxide Detector Digital Display Sound and Light Alarm LED Indicator Light Functions

US$31.04
US$21.84

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(0)

SKU:E26258EU
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HABOTEST Portable Gas Analyzer HT601B Household Gas Leak Detector Gases Detector PPM Meter Methane Concentration Alarm Instrument

US$90.84

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SKU:E19539-1
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62 Quick view
Handheld Digital Oxygen Detector USB Rechargeable Automotive O2 Sensor Tester Monitor LCD Display Adjustable Alarm Auto Power Off Oxygen Meter for Car Tunnel Laboratory and Industry

US$179.39
US$68.99

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SKU:E12982
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45 Quick view
WiFi Smart CO2 Detector Portable Air Quality Monitor CO2 Alarm Meter LCD Temperature Humidity Tester Multifunctional CO2 Temp. & Humidity Detecting Gauge Carbon Dioxide Detection Intelligent Linkage Mobile Phone APP Remotes Viewing

US$80.49
US$44.84

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SKU:E22910
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31 Quick view
Smoke Detector and Carbon Monoxide Detector 2 Packs 2 in 1 CO and Smoke Detectors Battery Powered with Test Button Sound Warning and LCD Digital Display Portable Fire Co Alarm for Home Kitchen Office

US$44.84
US$31.04

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(1)

SKU:H47623W-1
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Wifi Gas Leak Detector Fire Alarm Wall Mounted Design APP Control Smart Wi-Fi Natura Gas/ LPG Tester with LCD Display (USB Type)

US$40.24

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(1)

SKU:E18856-1
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36 Quick view
Portable Electrochemical Sensor CO Tester 1.1inch LCD Screen Carbon Monoxide Detector with Sound Lihgt Alarm and Low Battery Reminder Function

US$26.44
US$17.11

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SKU:E25168B
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Handheld Portable Air Quality Detector 9 In 1 Temperature Humidity PM2.5 PM10 HCHO TVOC CO CO2 AQI Multifunctional Air Quality Detector LCD Color Display with Backlight

US$65.54

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(1)

SKU:E21492B
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44 Quick view
Tuya Wifi Gases Leakage Detection Device Live Voice Prompt APP Remote Alarm with Concentration Display USB Power Supplys High Decible Alarm

US$34.49
US$19.54

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SKU:E23479
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HABOTEST HT66 Mini Gas Detector Household Handheld Combustible Gas Detecting Gauge with Long Probe Gas Leak Monitor Tester PPM Meter Methane Concentration Alarm Instrument

US$31.06

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SKU:E21512
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34 Quick view
Tuya Wifi Portable Air Quality Meter 8in1 PM1.0 PM2.5 PM10 CO2 TVOC HCHO Temperature and Humidity Tester LCD Color Screen Carbon Dioxide Detector with Time and Date Display Function

US$91.99
US$60.94

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(1)

(0)

SKU:E23883
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Portable Air Quality Monitor Indoor CO2 Detector 5 in 1 Formaldehyde HCHO TVOC Tester LCD Temperature Humidity Tester Rechargeable CO2 Alarm Meter for Room Office Greenhouse Warehouse

US$53.57

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(4)

SKU:E20307B
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35 Quick view
9 in 1 BT Air Quality Monitor CO2 Meter Carbon Dioxide Detector Time/Date CO2 TVOC HCHO PM2.5 PM1.0 PM10 Temperature Humidity Detection Support APP Control with Alarm Function for Home Office Car

US$50.59
US$33.34

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(1)

SKU:E22891B
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28 Quick view
Tuya Wifi Portable Air Quality Meter 7in1 PM2.5 PM10 Carbonic Oxide CO2 TVOC HCHO AQI Tester

US$49.44
US$35.64

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(2)

SKU:E23608B
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K2 Electromagnetic Field EMF Gauss Meter Radiation Detector Portable EMF Magnetic-Field Monitor 5 LED Gauss Meter

US$42.54

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SKU:E15137B
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35 Quick view
Handheld Combustible Gases Leak Detector Natural Gases Leakage Tester Portable PPM Meter Combustible Gases Analyzer Pen

US$21.84
US$14.25

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(1)

SKU:E22538-HT59
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34 Quick view
2 Packs Carbon Monoxide Detectors Portable CO Alarm Detector Monitor with LCD Digital Display Sound and Light Alarm for House Kitchen Restaurant Hotel Office Battery Operated -Batteries NOT Included

US$34.49
US$22.99

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(1)

SKU:H48658-2
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Air Purifiers for Bedroom Home 4 Working Modes Remove Dust Smoke Odor Formaldehyde Mite Negative Ion Ozone Generator Portable Room Air Purifier for Bedroom Office Living Room Car

US$40.11

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(2)

SKU:H47769WEU
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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$33.34
US$27.59

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(0)

SKU:E26039P
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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$34.49
US$24.14

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(0)

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$180.54
US$110.39

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(0)

SKU:E25611
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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$412.49

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(0)

SKU:E19281GY-Y
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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$45.99
US$25.29

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(1)

SKU:E22885-1
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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$121.89
US$83.94

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(0)

SKU:E26084-5
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38 Quick view
SMART SENSOR Ammonia Detector Ammonia Gas Meter Digital Portable Automotive Ammonia Gas Tester Monitor NH3 Detector

US$340.39
US$213.89

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(2)

SKU:E5623
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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$41.39
US$21.71

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(1)

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$56.34
US$39.09

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(0)

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$64.39
US$42.54

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(1)

SKU:LME00003W
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28 Quick view
Tuya WiFi CO Detector Portable Carbon Monoxide Tester Household Air Quality Tester

US$41.39
US$29.89

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(1)

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$29.3
US$22.99

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(1)

SKU:E24538
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Indoor Portable CO2 Detector Multifunctional Thermohygrometer Home Digital Air Detector Intelligent Air Quality Analyzer Household Air Pollution Monitor

US$37.94

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(2)

(10)

SKU:E17248B
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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$33.34
US$18.39

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(0)

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$202.39
US$120.61

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(0)

SKU:E25423
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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$28.74
US$16.27

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(2)

SKU:E25427
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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$24.14
US$14.81

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(0)

SKU:E25945
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Multifunctional Air Quality Tester CO2 TVOC Meter Temperature Humidity Measuring Device

US$55.76

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(1)

SKU:E18147
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39 Quick view
13 in 1 Tuya WIFI Intelligent Air Quality Monitor Indoor CO2 Detector

US$57.49
US$35.64

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(0)

SKU:LME00037B
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