Gas Detectors

TOPTES

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Gas Detectors

TopTes Guard-101 Gas Detector, 4 Gas Monitor for H2S, CO, LEL and O2, with Vibration, Visual and Audible Alarms, 14h Long Battery Life, Safety Explosion-Proof, for Work, Home - Orange

$313.99

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6-in-1 Portable Digital Air Quality Monitor Indoor Plug and Pla

Generic

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Gas Detectors

6-in-1 Portable Digital Air Quality Monitor Indoor Plug and Pla

$71.99

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Adjustable Sensitivity Gas Sniffer for HVAC Repair

FACAIIO

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Gas Detectors

Adjustable Sensitivity Gas Sniffer for HVAC Repair

$72.99

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Halogen Leak Detector For R22 R32 R134a Gas Analyzer With Rechargeable Design For Air Conditioner And Fridge Repair(for battery)

ReachMall

✓

Gas Detectors

Halogen Leak Detector For R22 R32 R134a Gas Analyzer With Rechargeable Design For Air Conditioner And Fridge Repair(for battery)

$101.99

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HOUND-2070 3in1 Radon Detector for Home, Tempertaure & Humidity Display

AEGTEST

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Gas Detectors

HOUND-2070 3in1 Radon Detector for Home, Tempertaure & Humidity Display

★★★★★4.7

$188.99

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TOPTES

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Gas Detectors

TopTes Guard-756 Upgraded Oxygen Detector, 0-30% VOL, Portable O2 Monitor, 0.5s Fast Response, Rechargeable O2 Gas Detector, with Vibe, Light & Sound Alarms, Dust and Explosion Proof, for Work, Home

★★★★★4.7

$253.99

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ALD-200 PRO Heat Pump Refrigerant Leak Detector, HVAC Leak Sniffer with Heated Diode Sensor & UV LED, Freon Gas Detector for R410A R32 R454B R290 R600a R22 R1234YF | A2L Low-GWP Compatible

Therm La Mode

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Gas Detectors

ALD-200 PRO Heat Pump Refrigerant Leak Detector, HVAC Leak Sniffer with Heated Diode Sensor & UV LED, Freon Gas Detector for R410A R32 R454B R290 R600a R22 R1234YF | A2L Low-GWP Compatible

$477.99

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THIKPO

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Gas Detectors

THIKPO Automotive Freon Leak Detector HVAC, Professional Refrigerant Leak Detector with LCD Display & LED Light, Car AC Leak Detector Kit for R134a R410A R22 R32 R1234yf - with Audio & Visual Alarm

$126.99

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TOPTES

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Gas Detectors

TOPTES AT-505 Rechargeable Ammonia Gas Detector, 0–100 PPM NH3 Monitor with Triple Alarm (Sound, Light & Vibration), Alarm Record & Adjustable Thresholds for Farm, Poultry, Pig & Livestock Use

★★★★★4.9

$633.99

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TOPTES

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Gas Detectors

TopTes Guard-863Pro 4 Gas Monitor Multi Gas Detector for H₂S, CO, LEL, and O₂, with TFT Color Screen, Upgraded O₂ Sensor (5-Year Lifespan), USB Data Export, 18h Battery Life, Reliable for Work & Home

★★★★★4.5

$513.99

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Portable Gas Analyzer Monitor With LCD Display H2S/NH3/O2/NO2/NO/EX/CH4 Multi Gas Detector For Work, Home Real-Time Dates(CO2-0-5VOL-0.01)

JHXHFJXZ

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Gas Detectors

Portable Gas Analyzer Monitor With LCD Display H2S/NH3/O2/NO2/NO/EX/CH4 Multi Gas Detector For Work, Home Real-Time Dates(CO2-0-5VOL-0.01)

$556.99

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Portable Gas Analyzer Monitor With LCD Display H2S/NH3/O2/NO2/NO/EX/CH4 Multi Gas Detector For Work, Home Real-Time Dates(CL2-0-20PPM)

JHXHFJXZ

✓

Gas Detectors

Portable Gas Analyzer Monitor With LCD Display H2S/NH3/O2/NO2/NO/EX/CH4 Multi Gas Detector For Work, Home Real-Time Dates(CL2-0-20PPM)

$574.99

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Portable Gas Analyzer Monitor With LCD Display H2S/NH3/O2/NO2/NO/EX/CH4 Multi Gas Detector For Work, Home Real-Time Dates(O2-0-30VOL)

JHXHFJXZ

✓

Gas Detectors

Portable Gas Analyzer Monitor With LCD Display H2S/NH3/O2/NO2/NO/EX/CH4 Multi Gas Detector For Work, Home Real-Time Dates(O2-0-30VOL)

$348.99

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Gas Detector, Wall-mounted Oxygen Sensor O2 Concentration Detector Gas Analyzer Transmitter Air Quality Monitor for Greenhouse Farming for Work, Home(EP 4-20MA 25Vol)

KXJQBM

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Gas Detectors

Gas Detector, Wall-mounted Oxygen Sensor O2 Concentration Detector Gas Analyzer Transmitter Air Quality Monitor for Greenhouse Farming for Work, Home(EP 4-20MA 25Vol)

$497.99

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KXJQBM

✓

Gas Detectors

Gas Detector, Wall-mounted Oxygen Sensor O2 Concentration Detector Gas Analyzer Transmitter Air Quality Monitor for Greenhouse Farming for Work, Home(EP 0-5V 25Vol)

$497.99

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AEGTEST

✓

Gas Detectors

AEGTEST HOUND-1011S Portable Radon Detector, High-Accuracy Sensor for Home, Lightweight, Audible & Visual Alarms, Long-Term Monitoring, Easy-to-Use Radon Tester in pCi/L or Bq/m³ for Basement

★★★★★4.6

$256.99

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AC Coil Detector | AC Circulation Pump Rotation Tester,Heavy-Duty Key Ring Detection for Home Commercial Equipment Industrial Maintenance Appliance Diagnostics Refrigeration Automotive Repair

Generic

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Gas Detectors

AC Coil Detector | AC Circulation Pump Rotation Tester,Heavy-Duty Key Ring Detection for Home Commercial Equipment Industrial Maintenance Appliance Diagnostics Refrigeration Automotive Repair

$24.99

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Temtop

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Gas Detectors

Temtop Air Quality Monitor PM2.5 PM10 Temperature Humidity Detector with Real-Time AQI and Bluetooth App, P1

★★★★★4.6

$189.99

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ALD-200 PRO 2-in-1 Combustible & Refrigerant Gas Leak Detector, HVAC Leak Detector with Audible & Visual Alarm, 16-Inch Flexible Probe, Large 2.6" Display, Detects R32, R290, R134a, R1234yf

Therm La Mode

✓

Gas Detectors

ALD-200 PRO 2-in-1 Combustible & Refrigerant Gas Leak Detector, HVAC Leak Detector with Audible & Visual Alarm, 16-Inch Flexible Probe, Large 2.6" Display, Detects R32, R290, R134a, R1234yf

$485.99

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AEGTEST

⏳

Gas Detectors

AEGTEST HOUND-1011 Portable Radon Detector for Home, Lightweight, High-Accuracy Sensor, 45-Day Monitoring, Easy-to-Use Radon Tester for Short- & Long-Term in pCi/L or Bq/m³, for Basement – Gray

$319.99

Gas Detectors

AEGTEST HOUND-1085 Portable Radon Detector, Long-Term Radon Monitoring for Home, Audible & Visual Alarms, Rechargeable, TFT Color LCD Screen, pCi/L or Bq/m³ - Blue

$282.99

Gas Detectors

Elitech HVAC Refrigerant Leak Detector 10 Yrs Infrared Sensor Life Halogen Freon Sniffer, Air Conditioning Detection for A2L R32 R410A R134A R1234YF CFCs HCFCs HFCs, ILD-300

$721.99

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ZYKYCX

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Gas Detectors

ZYKYCX Portable Ozone Detector, 0-20 PPM Ozone Gas Monitor with 0.01 PPM High Resolution, 16H Long Battery Life, Ozone Meter with Alarm, O3 Air Quality Monitor with Temp & Humidity Tester, Orange

★★★★★3.3

$420.99

Gas Detectors

TOPTES RT-389 Rechargeable Refrigerant Leak Detector, HVAC Freon Leak Detector with 3 Sensitivity Modes & 3 Alarm Types for CFCs, HCFCs, HFCs, HFOs, HCs for Car Home Industrial - Blue

$301.99

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Featured products

TopTes Guard-101 Gas Detector, 4 Gas Monitor for H2S, CO, LEL and O2, with Vibration, Visual and Audible Alarms, 14h Long Battery Life, Safety Explosion-Proof, for Work, Home - Orange

6-in-1 Portable Digital Air Quality Monitor Indoor Plug and Pla

Adjustable Sensitivity Gas Sniffer for HVAC Repair

Halogen Leak Detector For R22 R32 R134a Gas Analyzer With Rechargeable Design For Air Conditioner And Fridge Repair(for battery)

HOUND-2070 3in1 Radon Detector for Home, Tempertaure & Humidity Display

TopTes Guard-756 Upgraded Oxygen Detector, 0-30% VOL, Portable O2 Monitor, 0.5s Fast Response, Rechargeable O2 Gas Detector, with Vibe, Light & Sound Alarms, Dust and Explosion Proof, for Work, Home

ALD-200 PRO Heat Pump Refrigerant Leak Detector, HVAC Leak Sniffer with Heated Diode Sensor & UV LED, Freon Gas Detector for R410A R32 R454B R290 R600a R22 R1234YF | A2L Low-GWP Compatible

THIKPO Automotive Freon Leak Detector HVAC, Professional Refrigerant Leak Detector with LCD Display & LED Light, Car AC Leak Detector Kit for R134a R410A R22 R32 R1234yf - with Audio & Visual Alarm

TOPTES AT-505 Rechargeable Ammonia Gas Detector, 0–100 PPM NH3 Monitor with Triple Alarm (Sound, Light & Vibration), Alarm Record & Adjustable Thresholds for Farm, Poultry, Pig & Livestock Use

TopTes Guard-863Pro 4 Gas Monitor Multi Gas Detector for H₂S, CO, LEL, and O₂, with TFT Color Screen, Upgraded O₂ Sensor (5-Year Lifespan), USB Data Export, 18h Battery Life, Reliable for Work & Home

Portable Gas Analyzer Monitor With LCD Display H2S/NH3/O2/NO2/NO/EX/CH4 Multi Gas Detector For Work, Home Real-Time Dates(CO2-0-5VOL-0.01)

Portable Gas Analyzer Monitor With LCD Display H2S/NH3/O2/NO2/NO/EX/CH4 Multi Gas Detector For Work, Home Real-Time Dates(CL2-0-20PPM)

Portable Gas Analyzer Monitor With LCD Display H2S/NH3/O2/NO2/NO/EX/CH4 Multi Gas Detector For Work, Home Real-Time Dates(O2-0-30VOL)

Gas Detector, Wall-mounted Oxygen Sensor O2 Concentration Detector Gas Analyzer Transmitter Air Quality Monitor for Greenhouse Farming for Work, Home(EP 4-20MA 25Vol)

Gas Detector, Wall-mounted Oxygen Sensor O2 Concentration Detector Gas Analyzer Transmitter Air Quality Monitor for Greenhouse Farming for Work, Home(EP 0-5V 25Vol)

AEGTEST HOUND-1011S Portable Radon Detector, High-Accuracy Sensor for Home, Lightweight, Audible & Visual Alarms, Long-Term Monitoring, Easy-to-Use Radon Tester in pCi/L or Bq/m³ for Basement

AC Coil Detector | AC Circulation Pump Rotation Tester,Heavy-Duty Key Ring Detection for Home Commercial Equipment Industrial Maintenance Appliance Diagnostics Refrigeration Automotive Repair

Temtop Air Quality Monitor PM2.5 PM10 Temperature Humidity Detector with Real-Time AQI and Bluetooth App, P1

ALD-200 PRO 2-in-1 Combustible & Refrigerant Gas Leak Detector, HVAC Leak Detector with Audible & Visual Alarm, 16-Inch Flexible Probe, Large 2.6" Display, Detects R32, R290, R134a, R1234yf

AEGTEST HOUND-1011 Portable Radon Detector for Home, Lightweight, High-Accuracy Sensor, 45-Day Monitoring, Easy-to-Use Radon Tester for Short- & Long-Term in pCi/L or Bq/m³, for Basement – Gray

AEGTEST HOUND-1085 Portable Radon Detector, Long-Term Radon Monitoring for Home, Audible & Visual Alarms, Rechargeable, TFT Color LCD Screen, pCi/L or Bq/m³ - Blue

Elitech HVAC Refrigerant Leak Detector 10 Yrs Infrared Sensor Life Halogen Freon Sniffer, Air Conditioning Detection for A2L R32 R410A R134A R1234YF CFCs HCFCs HFCs, ILD-300

ZYKYCX Portable Ozone Detector, 0-20 PPM Ozone Gas Monitor with 0.01 PPM High Resolution, 16H Long Battery Life, Ozone Meter with Alarm, O3 Air Quality Monitor with Temp & Humidity Tester, Orange

TOPTES RT-389 Rechargeable Refrigerant Leak Detector, HVAC Freon Leak Detector with 3 Sensitivity Modes & 3 Alarm Types for CFCs, HCFCs, HFCs, HFOs, HCs for Car Home Industrial - Blue