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Air Quality Meters

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AQM-551 Portable CO2 Detector Carbon Dioxide Gas Monitor 0~10000ppm with Alarm Indicator, 7605 Data Logging Capacity, Color Display, USB Rechargeable IAQ Analyzer for Petroleum Industry, Metallurgy Laboratory & Scientific Research

AQM-551 Portable CO2 Detector Carbon Dioxide Gas Monitor 0~10000ppm with Alarm Indicator, 7605 Data Logging Capacity, Color Display, USB Rechargeable IAQ Analyzer for Petroleum Industry, Metallurgy Laboratory & Scientific Research AQM-551 Portable CO2 Detector Carbon Dioxide Gas Monitor 0~10000ppm with Alarm Indicator, 7605 Data Logging Capacity, Color Display, USB Rechargeable IAQ Analyzer for Petroleum Industry, Metallurgy Laboratory & Scientific Research

AQM-551 Portable CO2 Detector Carbon Dioxide Gas Monitor 0~10000ppm with Alarm Indicator, 7605 Data Logging Capacity, Color Display, USB Rechargeable IAQ Analyzer for Petroleum Industry, Metallurgy Laboratory & Scientific Research

$87.90 USD

Radon Gas Detector Touchscreen LCD Color Display with Audible & Visual Alarm Long-Term Radon Concentration Monitoring for Home Basement, pCi/L or Bq/m³

Radon Gas Detector Touchscreen LCD Color Display with Audible & Visual Alarm Long-Term Radon Concentration Monitoring Radon Gas Detector Touchscreen LCD Color Display with Audible & Visual Alarm Long-Term Radon Concentration Monitoring

Radon Gas Detector Touchscreen LCD Color Display with Audible & Visual Alarm Long-Term Radon Concentration Monitoring for Home Basement, pCi/L or Bq/m³

$119.90 USD

AQM-481 Portable CO2 Monitor with Temperature & Humidity Measurement NDIR Sensor Technology, 3-Color Air Quality Alert, Rechargeable Battery 40+ Hour Continuous Usage

AQM-481 Portable CO2 Monitor with Temperature & Humidity Measurement NDIR Sensor Technology 3-Color Air Quality Alert AQM-481 Portable CO2 Monitor with Temperature & Humidity Measurement NDIR Sensor Technology 3-Color Air Quality Alert

AQM-481 Portable CO2 Monitor with Temperature & Humidity Measurement NDIR Sensor Technology, 3-Color Air Quality Alert, Rechargeable Battery 40+ Hour Continuous Usage

AQM-410 Portable 8-in-1 Indoor Air Quality Monitor CO2/TVOC/HCHO/AQI/PM2.5/PM10/Temp/RH with Time Clock Display in Large Color LCD Screen

AQM-410 Portable 8-in-1 Indoor Air Quality Monitor CO2/TVOC/HCHO/AQI/PM2.5/PM10/Temp/RH with Time Clock Display in AQM-410 Portable 8-in-1 Indoor Air Quality Monitor CO2/TVOC/HCHO/AQI/PM2.5/PM10/Temp/RH with Time Clock Display in

AQM-410 Portable 8-in-1 Indoor Air Quality Monitor CO2/TVOC/HCHO/AQI/PM2.5/PM10/Temp/RH with Time Clock Display in Large Color LCD Screen

$144.90 USD

HTM-483 Handheld Thermo-Hygrometer Ambient Temperature and Relative Humidity High Precision Measurement

HTM-483 Handheld Thermo-Hygrometer Ambient Temperature and Relative Humidity High Precision Measurement HTM-483 Handheld Thermo-Hygrometer Ambient Temperature and Relative Humidity High Precision Measurement

HTM-483 Handheld Thermo-Hygrometer Ambient Temperature and Relative Humidity High Precision Measurement

$33.90 USD

Digital Humidity and Temperature Meter Data Hold MAX/MIN/DIFF Value Measurement with LCD Backlight

Digital Humidity and Temperature Meter Data Hold MAX/MIN/DIFF Value Measurement with LCD Backlight Humidity Digital Humidity and Temperature Meter Data Hold MAX/MIN/DIFF Value Measurement with LCD Backlight Humidity

Digital Humidity and Temperature Meter Data Hold MAX/MIN/DIFF Value Measurement with LCD Backlight

$38.90 USD

AQM-434 Gas Leak Detector 4-in-1 H2S|EX|O2|CO Tester Analyzer Instant Alerts Audible, Light, Vibration Alarm Natural Methane Gas Detector IP68 with Data Storage Portable Rechargeable

AQM-434 Gas Leak Detector 4-in-1 H2S|EX|O2|CO Tester Analyzer Instant Alerts Audible, Light, Vibration Alarm Natural Methane Gas Detector IP68 with Data Storage Portable Rechargeable AQM-434 Gas Leak Detector 4-in-1 H2S|EX|O2|CO Tester Analyzer Instant Alerts Audible, Light, Vibration Alarm Natural Methane Gas Detector IP68 with Data Storage Portable Rechargeable

AQM-434 Gas Leak Detector 4-in-1 H2S|EX|O2|CO Tester Analyzer Instant Alerts Audible, Light, Vibration Alarm Natural Methane Gas Detector IP68 with Data Storage Portable Rechargeable

$150.90 USD

AQM-421 Professional 5in1 Indoor Air Quality Monitor CO | CO2 | TVOC Meter, Humidity & Temperature with NDIR Sensor High Precision Monitor for Home, Offices, RV, Grow Tents etc.

AQM - 421 AQM - 421 Professional 5in1 Indoor Air Quality Monitor CO | CO2 | TVOC Meter, Humidity & Temperature with NDIR Sensor High Precision Monitor for Home, Offices, RV, Grow Tents etc. - Gain Express AQM - 421 AQM - 421 Professional 5in1 Indoor Air Quality Monitor CO | CO2 | TVOC Meter, Humidity & Temperature with NDIR Sensor High Precision Monitor for Home, Offices, RV, Grow Tents etc. - Gain Express

AQM-421 Professional 5in1 Indoor Air Quality Monitor CO | CO2 | TVOC Meter, Humidity & Temperature with NDIR Sensor High Precision Monitor for Home, Offices, RV, Grow Tents etc.

AQM-422 IAQ Monitor 5 in 1 Professional HCHO | CO2 | TVOC Meter with Humidity & Temperature Measurement NDIR Sensor Portable Carbon Dioxide Monitor for Home, RV, Grow Tents, Factory etc.

AQM - 422 AQM - 422 IAQ Monitor 5 in 1 Professional HCHO | CO2 | TVOC Meter with Humidity & Temperature Measurement NDIR Sensor Portable Carbon Dioxide Monitor for Home, RV, Grow Tents, Factory etc. - Gain Express AQM - 422 AQM - 422 IAQ Monitor 5 in 1 Professional HCHO | CO2 | TVOC Meter with Humidity & Temperature Measurement NDIR Sensor Portable Carbon Dioxide Monitor for Home, RV, Grow Tents, Factory etc. - Gain Express

AQM-422 IAQ Monitor 5 in 1 Professional HCHO | CO2 | TVOC Meter with Humidity & Temperature Measurement NDIR Sensor Portable Carbon Dioxide Monitor for Home, RV, Grow Tents, Factory etc.

LKD-425 Gas Leak Detector Combustible Gas Test Analyzer Portable Natural Gas Sniffer for Flammable Natural Gas Acetone Propane Benzene Ethanol Gasoline Methane etc 0~9999PPM Measurement Range

LKD - 425 LKD - 425 Gas Leak Detector Combustible Gas Test Analyzer Portable Natural Gas Sniffer for Flammable Natural Gas Acetone Propane Benzene Ethanol Gasoline Methane etc 0~9999PPM Measurement Range - Gain Express LKD - 425 LKD - 425 Gas Leak Detector Combustible Gas Test Analyzer Portable Natural Gas Sniffer for Flammable Natural Gas Acetone Propane Benzene Ethanol Gasoline Methane etc 0~9999PPM Measurement Range - Gain Express

LKD-425 Gas Leak Detector Combustible Gas Test Analyzer Portable Natural Gas Sniffer for Flammable Natural Gas Acetone Propane Benzene Ethanol Gasoline Methane etc 0~9999PPM Measurement Range

$53.90 USD

AQM-399 Carbon Dioxide CO2 Monitor Indoor Air Quality Meter Temperature Humidity Tester Face Icon Colored Display with Alarm 400~5000PPM NDIR Sensor

AQM - 399 AQM - 399 Carbon Dioxide CO2 Monitor Indoor Air Quality Meter Temperature Humidity Tester Face Icon Colored Display with Alarm 400~5000PPM NDIR Sensor - Gain Express AQM - 399 AQM - 399 Carbon Dioxide CO2 Monitor Indoor Air Quality Meter Temperature Humidity Tester Face Icon Colored Display with Alarm 400~5000PPM NDIR Sensor - Gain Express

AQM-399 Carbon Dioxide CO2 Monitor Indoor Air Quality Meter Temperature Humidity Tester Face Icon Colored Display with Alarm 400~5000PPM NDIR Sensor

$50.90 USD

LKD-398 Natural Gas Detector Gas Sniffer Gas Leak Detector Locating Propane, Natural Gas, and Combustible Gas Leak for Home and RV with Gooseneck Probe, Buzzer, Light Indicator

LKD - 398 Natural Gas Detector Gas Sniffer Gas Leak Detector Locating Propane, Natural Gas, and Combustible Gas Leak for Home and RV with Gooseneck Probe, Buzzer, Light Indicator - Gain Express LKD - 398 Natural Gas Detector Gas Sniffer Gas Leak Detector Locating Propane, Natural Gas, and Combustible Gas Leak for Home and RV with Gooseneck Probe, Buzzer, Light Indicator - Gain Express

LKD-398 Natural Gas Detector Gas Sniffer Gas Leak Detector Locating Propane, Natural Gas, and Combustible Gas Leak for Home and RV with Gooseneck Probe, Buzzer, Light Indicator

AQM-393 Travel Carbon Monoxide Detector Portable Mini Vehicle CO Detector Air Quality Monitor for Car, RV, Aircraft CO Gas Alarm with Audible Visual Alert, Lanyard clip

AQM - 393 AQM - 393 Travel Carbon Monoxide Detector Portable Mini Vehicle CO Detector Air Quality Monitor for Car, RV, Aircraft CO Gas Alarm with Audible Visual Alert, Lanyard clip - Gain Express AQM - 393 AQM - 393 Travel Carbon Monoxide Detector Portable Mini Vehicle CO Detector Air Quality Monitor for Car, RV, Aircraft CO Gas Alarm with Audible Visual Alert, Lanyard clip - Gain Express

AQM-393 Travel Carbon Monoxide Detector Portable Mini Vehicle CO Detector Air Quality Monitor for Car, RV, Aircraft CO Gas Alarm with Audible Visual Alert, Lanyard clip

$86.90 USD

AQM-396 Carbon Dioxide CO2 Monitor Wall Mount Indoor Air Quality Meter Temperature Humidity Tester Colored Large Screen Display with Alarm 400~5000PPM NDIR Sensor

AQM - 396 AQM - 396 Carbon Dioxide CO2 Monitor Wall Mount Indoor Air Quality Meter Temperature Humidity Tester Colored Large Screen Display with Alarm 400~5000PPM NDIR Sensor - Gain Express AQM - 396 AQM - 396 Carbon Dioxide CO2 Monitor Wall Mount Indoor Air Quality Meter Temperature Humidity Tester Colored Large Screen Display with Alarm 400~5000PPM NDIR Sensor - Gain Express

AQM-396 Carbon Dioxide CO2 Monitor Wall Mount Indoor Air Quality Meter Temperature Humidity Tester Colored Large Screen Display with Alarm 400~5000PPM NDIR Sensor

$40.90 USD

Smart Wifi Natural Gas Alarm Sensor LPG Methane CH4 Combustible Gas Leak Detectors Support Home Smart Life Plug in and Protect

SNT961W Smart Wifi Natural Gas Alarm Sensor LPG Methane CH4 Combustible Gas Leak Detectors Support Home Smart Life Plug in and Protect - Gain Express SNT961W Smart Wifi Natural Gas Alarm Sensor LPG Methane CH4 Combustible Gas Leak Detectors Support Home Smart Life Plug in and Protect - Gain Express

Smart Wifi Natural Gas Alarm Sensor LPG Methane CH4 Combustible Gas Leak Detectors Support Home Smart Life Plug in and Protect

$36.90 USD

AQM-388 Portable 9 in 1 Indoor Air Quality Meter CO2 Monitor Formaldehyde Detector VOC Sensor AQI Index PM2.5 PM10 and Humidity Temp with Time Display Air Monitor Test Kit

AQM - 388 AQM - 388 Portable 9 in 1 Indoor Air Quality Meter CO2 Monitor Formaldehyde Detector VOC Sensor AQI Index PM2.5 PM10 and Humidity Temp with Time Display Air Monitor Test Kit - Gain Express AQM - 388 AQM - 388 Portable 9 in 1 Indoor Air Quality Meter CO2 Monitor Formaldehyde Detector VOC Sensor AQI Index PM2.5 PM10 and Humidity Temp with Time Display Air Monitor Test Kit - Gain Express

AQM-388 Portable 9 in 1 Indoor Air Quality Meter CO2 Monitor Formaldehyde Detector VOC Sensor AQI Index PM2.5 PM10 and Humidity Temp with Time Display Air Monitor Test Kit

$155.90 USD

AQM-385 Carbon Dioxide CO2 Monitor 0~5000ppm Range Large Colored LED Screen Display IAQ Meter Air Quality Tester NDIR Sensor

AQM - 385 AQM - 385 Carbon Dioxide CO2 Monitor 0~5000ppm Range Large Colored LED Screen Display IAQ Meter Air Quality Tester NDIR Sensor - Gain Express AQM - 385 AQM - 385 Carbon Dioxide CO2 Monitor 0~5000ppm Range Large Colored LED Screen Display IAQ Meter Air Quality Tester NDIR Sensor - Gain Express

AQM-385 Carbon Dioxide CO2 Monitor 0~5000ppm Range Large Colored LED Screen Display IAQ Meter Air Quality Tester NDIR Sensor

AQM-384 Portable Gas Detector CO H₂S O₂ EX (LEL) 4 Gas Detection Gas Rechargeable Clip Sniffer with Audible Visual Vibration Alert and Voice Prompt

AQM - 384 AQM - 384 Portable Gas Detector CO H₂S O₂ EX (LEL) 4 Gas Detection Gas Rechargeable Clip Sniffer with Audible Visual Vibration Alert and Voice Prompt - Gain Express AQM - 384 AQM - 384 Portable Gas Detector CO H₂S O₂ EX (LEL) 4 Gas Detection Gas Rechargeable Clip Sniffer with Audible Visual Vibration Alert and Voice Prompt - Gain Express

AQM-384 Portable Gas Detector CO H₂S O₂ EX (LEL) 4 Gas Detection Gas Rechargeable Clip Sniffer with Audible Visual Vibration Alert and Voice Prompt

$119.90 USD

AQM-356 CO2 Controller & Monitor Auto Detect Day Night Carbon Dioxide CO2 Meter with 15ft Remote Dual Beam NDIR Sensor for Greenhouse, Grow Rooms, Hydroponics Rooms

AQM - 356_US AQM - 356 CO2 Controller & Monitor Auto Detect Day Night Carbon Dioxide CO2 Meter with 15ft Remote Dual Beam NDIR Sensor for Greenhouse, Grow Rooms, Hydroponics Rooms - Gain Express AQM - 356_US AQM - 356 CO2 Controller & Monitor Auto Detect Day Night Carbon Dioxide CO2 Meter with 15ft Remote Dual Beam NDIR Sensor for Greenhouse, Grow Rooms, Hydroponics Rooms - Gain Express

AQM-356 CO2 Controller & Monitor Auto Detect Day Night Carbon Dioxide CO2 Meter with 15ft Remote Dual Beam NDIR Sensor for Greenhouse, Grow Rooms, Hydroponics Rooms

LKD-360 Combustible Gas Leak Detector Gas Leakage Sniffer Methane, LPG, LNG, Fuel, Sewer Gas. Alcohol, Gasoline Flammable Gases

LKD - 360 LKD - 360 Combustible Gas Leak Detector Gas Leakage Sniffer Methane, LPG, LNG, Fuel, Sewer Gas. Alcohol, Gasoline Flammable Gases - Gain Express LKD - 360 LKD - 360 Combustible Gas Leak Detector Gas Leakage Sniffer Methane, LPG, LNG, Fuel, Sewer Gas. Alcohol, Gasoline Flammable Gases - Gain Express

LKD-360 Combustible Gas Leak Detector Gas Leakage Sniffer Methane, LPG, LNG, Fuel, Sewer Gas. Alcohol, Gasoline Flammable Gases

$35.90 USD
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