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Department

Test Instruments & Tools Environmental Measurement Instruments

Gas Detectors

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Gas Detectors

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27 Quick view
3 Packs Smoke and Carbon Monoxide Detector 2 In 1 CO and Smoke Detectors LCD Display Smart Detector

US$57.76
US$42.5

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SKU:H48659-3
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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$140.6
US$82.71

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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$27.24
US$17.97

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(3)

SKU:E22687
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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$71.93
US$46.86

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(2)

SKU:H47622W-2
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44 Quick view
SMART SENSOR ST8990 Multi Gas Monitor Rechargeable 4 in 1 O₂ LEL CO H₂S Gas Detector Tester Sensor with Backlight Alarm Function LCD Display

US$173.3
US$98.09

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(0)

SKU:E10949EU
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52 Quick view
SMART SENSOR 4 in 1 Gas Detector H₂S and CO Monitor Industrial Digital Handheld Toxic Gas Carbon Monoxide Detector

US$239.79
US$115.53

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(11)

SKU:E5806
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35 Quick view
9 in 1 Air Quality Monitor CO2 Detector CO TVOC HCHO PM2.5 PM1.0 PM10 Temperature Humidity Detection

US$50.13
US$32.69

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(12)

SKU:E23638W
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12 Quick view
Tuya WiFi CO Combustible Gases Leak Detector Portable Carbon Monoxide Gases Leakage Tester Multifunctional Gases Concentration Tester

US$37.05
US$32.69

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(0)

SKU:E25788-W
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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$29.42
US$20.7

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(0)

SKU:E26258EU
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38 Quick view
SMART SENSOR Handheld Combustible Gases Leak Detector Natural Gases Leakage Tester Portable Combustible Gases Concentration Analyzer Meter with Temperature Test and Sound Light Alarm Function

US$50.13
US$31.48

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(0)

SKU:E24350
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44 Quick view
Aqara Smart Natural Gas Detector Zigbee Gas Leak Alarm Sensor

US$80.65
US$45.77

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(4)

SKU:PAA5028
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41 Quick view
Combustible Gas Detector Gas Leak Tester Intelligent Air Quality Detector with Sound Alarm

US$32.69
US$19.61

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(0)

SKU:E23078-1
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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$170.03
US$65.39

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(0)

SKU:E12982
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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$47.95
US$31.6

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(1)

SKU:E22891B
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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$76.29
US$42.5

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(0)

SKU:E22910
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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$32.69
US$18.52

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(0)

SKU:E23479
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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$42.5
US$29.42

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(1)

SKU:H47623W-1
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34 Quick view
Portable Air Quality Meter 3in1 CO Temperature and Humidity Tester Color Screen Carbon Monoxide Detector with Voice Alarm and Electric Quantity Display Function

US$29.42
US$19.49

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(0)

SKU:E24705B
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30 Quick view
Tuya WiFi Intelligent Air Housekeeper 6-in-1 Air Quality Monitor PM2.5/Formaldehyde/TVOC/CO2/Temperature/Humidity Detector for Home Office

US$52.85
US$37.05

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(2)

SKU:E20649
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23 Quick view
Air Quality Monitor CO2 Detector 3 in 1 Accurate Tester for CO2 Temperature Humidity NDIR Sensor Carbon Dioxide Meter Concentration Tester with Alarm

US$56.17
US$43.59

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(0)

SKU:E19977
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34 Quick view
WiFi 11-in-1 Air Quality Monitor Indoor Humidity Monitor AQI/CO/CO₂/TVOC/HCHO/PM2.5/PM1.0/PM10/Temperature/Humidity/Time Tester Desktop Air Quality Tester Air Quality Meters for Home Office Hotel Restaurant School

US$141.69
US$93.73

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(0)

SKU:E26182W
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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$25.06
US$16.22

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(0)

SKU:E25168B
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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$87.19
US$57.76

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(1)

(0)

SKU:E23883
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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$46.86
US$33.78

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(2)

SKU:E23608B
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35 Quick view
Handheld Combustible Gases Leak Detector Natural Gases Leakage Tester Portable PPM Meter Combustible Gases Analyzer Pen

US$20.7
US$13.51

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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$32.69
US$21.79

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(1)

SKU:H48658-2
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38 Quick view
Smoke and Carbon Monoxide Alarm LCD Display CO Detector Smoke Alarm Voice Alert Combination Smoke and CO Alarm Battery Powered

US$35.96
US$22.33

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(1)

SKU:E22028
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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$32.69
US$22.88

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(0)

SKU:E22982B
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31 Quick view
Tuya WiFi Multifunctional Air Quality Meter Household HCHO TVOC Carbon Monoxide CO2 PM2.5 PM10 Tester Portable Temperature Humidity Detector 2.8-inch TFT Display with Alarm Function

US$46.86
US$32.69

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(0)

SKU:E26029B
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38 Quick view
SMART SENSOR Ammonia Detector Ammonia Gas Meter Digital Portable Automotive Ammonia Gas Tester Monitor NH3 Detector

US$322.63
US$202.73

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(2)

SKU:E5623
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38 Quick view
Handheld Combustible Gases Leak Detector Natural Gases Leakage Tester Portable PPM Meter Combustible Gases Analyzer Pen

US$40.32
US$25.06

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(0)

SKU:E22986
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38 Quick view
Household Air Quality Detector Multifunctional CO2 Tester with Carbon Dioxide PM2.5 TVOC HCHO Value Electricity Quantity Temperature Humidity Display Backlit LCD Color Screen Self-calibration with Alarm Function

US$40.88
US$25.6

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(1)

SKU:E20304W
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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$54.49
US$39.23

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(0)

SKU:E25034W
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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$31.6
US$26.15

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(0)

SKU:E26039W
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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$115.53
US$79.56

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(0)

SKU:E26084-5
View details >>
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$43.59
US$23.97

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(1)

SKU:E22885-1
View details >>
39 Quick view
Air Quality Monitor Indoor Air Quality Tester HCHO/CO₂/TVOC/PM2.5/Temp/Humidity Air Quality Detector High Precision Sensor

US$171.12
US$104.63

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(0)

SKU:E25611
View details >>
37 Quick view
Handheld Digital Oxygen Detector Air Oxygen Concentration Alarm Value USB Rechargeable Portable O₂ Content Tester 2.8-inch TFT Full Color LCD Screen Oxygen Meter with Temperature and Humidity for Car Home Office School Hospital

US$137.33
US$87.19

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(0)

SKU:E25242GY
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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$39.23
US$20.58

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(1)

SKU:E25553
View details >>
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$61.03
US$40.32

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(1)

SKU:LME00003W
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