Top 10 Best Portable Gas Detectors
for April 2021

Recommendations are independently chosen by MOOZ’s editors. Purchases you make through our links may earn us a commission.

1
9.8
SCORE
Portable Nitrogen Dioxide Detector 0-20PPM Range LCD Display Backlit Rechargeable Li-battery Powered Three Alarm Way Digital NO2 Gas Monitor Meter Tester Analyzer with Sampling Pump

SMART SENSOR Portable Nitrogen Dioxide Detector 0-20PPM Range LCD Display Backlit Rechargeable Li-battery Powered Three Alarm Way Digital NO2 Gas Monitor Meter Tester Analyzer with Sampling Pump

by acro
What We like

Durable power supplyBulit-in rechargable 3.7V 1800mAh Li-thion battery, can work continuously 12 hours with full charge(slightly vary with working condition).

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Product Features

  • Digital LCD display with backlight functionHigh density digital LCD screen display real time gas concentation value, backlight function is suitable use for dark areas;compact size and unique clip design, it is convenient for user to carry around.
  • High Sensitive and Accurate MeasurementSingle NO2 gas monitor,Bulit-in high senstive sensor measurment range 0~20ppm with resolution 1ppm.And the professional sampling pump can help you more accurately detect narrow or remote or complicated places gases concentration.
  • High/Low alarm function with three alarm methodswhen gas concentration reach preset high or low alarm value, the meter will Sound, light alarm with vibration,meanwhile, high/low alarm value is adjustable based on your specific requirements.
  • Strict and qualified certificateThis product compiled with following standard and regulation: JJG693; JJG695: JJG915 and GB3836 series anti-explosion standard.

High sensitive and accurate measurementsingle no2 gas monitor,bulit-in high senstive sensor measurment range 0~20ppm with resolution 1ppm.and the professional sampling pump can help you more accurately detect narrow or remote or complicated places gases concentration. High/low alarm function with three alarm methodswhen gas concentration reach preset high or low alarm value, the meter will sound, light alarm with vibration,meanwhile, high/low alarm value is adjustable based on your specific requirements. Digital lcd display with backlight functionhigh density digital lcd screen display real time gas concentation value, backlight function is suitable use for dark areas;compact size and unique clip design, it is convenient for user to carry around. Strict and qualified certificatethis product compiled with following standard and regulation: jjg693; jjg695: jjg915 and gb3836 series anti-explosion standard.

2
9.6
SCORE
Portable H2 Gas Detector 0~1000ppm LCD Display Rechargeable Li-battery Powered Alarm Handheld Digital Hydrogen Gas Monitor Meter Tester

SMART SENSOR Portable H2 Gas Detector 0~1000ppm LCD Display Rechargeable Li-battery Powered Alarm Handheld Digital Hydrogen Gas Monitor Meter Tester

by ARCO ELECTRIONICS LIMITED
What We like

Rechargeable Li-Battery Powered & Durable Power SupplyBulit-in rechargeable 3.7V Li-thion battery Powered,can work continuousely 10-12 hours with full charge(slightly vary with working condition).

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Product Features

  • High/Low Alarm Function & Alarm value AdjustableWhen Hydrogen gas concentration reaches preset high or low alarm value,the H2 meter will Sound, light alarm with vibration,factory preset low alarm value is 50ppm, and high alarm value 100ppm.Meanwhile, high/low alarm value is adjustable based on your specific requirements.
  • Digital LCD Display with backlight & Compact and Small Size DesignHigh density digital LCD screen display real time H2 gas concentration value, backlight activating function is good for use even in dark areas ;compact size and unique clip design, it is convenient for your to carry around.
  • Strict Inspection and Qualified Explosive Proof CertificatedThis product is compiled with following standard and regulation: JJG693; JJG695: JJG915 and GB3836 series anti-explosion standard.
  • High Sensitive Sensor & Accurate MeasurementPortable H2 gas monitor,Bulit-in high senstive electrochemical sensor measuring range 0~1000ppm with resolution 1ppm, can accurately detect H2 concentration in air.

Digital lcd display with backlight & compact and small size designhigh density digital lcd screen display real time h2 gas concentration value, backlight activating function is good for use even in dark areas ;compact size and unique clip design, it is convenient for your to carry around. High sensitive sensor & accurate measurementportable h2 gas monitor,bulit-in high senstive electrochemical sensor measuring range 0~1000ppm with resolution 1ppm, can accurately detect h2 concentration in air. High/low alarm function & alarm value adjustablewhen hydrogen gas concentration reaches preset high or low alarm value,the h2 meter will sound, light alarm with vibration,factory preset low alarm value is 50ppm, and high alarm value 100ppm.meanwhile, high/low alarm value is adjustable based on your specific requirements. Strict inspection and qualified explosive proof certificatedthis product is compiled with following standard and regulation: jjg693; jjg695: jjg915 and gb3836 series anti-explosion standard.

3
9.5
SCORE
Corentium Home Radon Detector by Airthings 223 Portable, Lightweight, Easy-to-Use, (3) AAA Battery Operated, USA Version, pCi/L

Corentium Home Radon Detector by Airthings 223 Portable

Lightweight, Easy-to-Use, (3) AAA Battery Operated, USA Version, pCi/L

by Airthings
What We like

RADON REPORT: Generate a radon self-inspection report easily, whenever you need it.

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Product Features

  • What you get: Airthings Corentium Home, 3 AAA batteries, Quick Start Guide, Airthings 12-months & Customer Support access via email or live chat directly from the Airthings App or website
  • FAST RESULTS: On-screen results show both long and short term readings, for a quick overview of your radon levels.
  • LONG TERM MONITORING: Monitor for cancer-causing radon gas. Long term monitoring is necessary as radon levels fluctuate daily.
  • BE IN CONTROL: Take action if your radon levels are high. Know if your improvements have worked by checking the short term, on-screen readings.
  • FIRST OF ITS KIND: The first battery-operated, digital radon detector. Monitor your home without the need for an outlet.

No lab fees: unlike a traditional radon gas test kit, receive your first indication of radon levels within 24 hours and no lab fees, ever Long term monitoring: monitor for cancer-causing radon gas. long term monitoring is necessary as radon levels fluctuate daily. What you get: Airthings corentium home, 3 aaa batteries, quick start guide, Airthings 12-months & customer support access via email or live chat directly from the Airthings app or website Be in control: take action if your radon levels are high. know if your improvements have worked by checking the short term, on-screen readings. Fast results: on-screen results show both long and short term readings, for a quick overview of your radon levels. First of its kind: the first battery-operated, digital radon detector. monitor your home without the need for an outlet.

4
9.1
SCORE
Klein Tools ET120 Gas Leak Detector, Combustible Gas Leak Meter with 18-Inch Gooseneck Has Range 50 - 10,000 ppm, Includes Pouch, Batteries

Klein Tools ET120 Gas Leak Detector, Combustible Gas Leak Meter with 18-Inch Gooseneck Has Range 50

10,000 ppm, Includes Pouch, Batteries

by Klein Tools
What We like

18-Inch flexible gooseneck expands sensor's reach; clips onto meter for storage

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Product Features

  • Detection range: Approximately 50 to 10,000 ppm* (*based on Methane)
  • Five red LED's (visual) and 85dB audible alerts that increase with gas concentration
  • Two levels of sensitivity: High (approximately 50 to 1000 ppm) and Low (approximately 1000 to 10,000 ppm)
  • Automatic zero-point calibration at power-up (lights will flash during self-calibration; this does not indicate the presence of gas)

Detection range: approximately 50 to 10,000 ppm* (*based on methane) Two levels of sensitivity: high (approximately 50 to 1000 ppm) and low (approximately 1000 to 10,000 ppm) Automatic zero-point calibration at power-up (lights will flash during self-calibration; this does not indicate the presence of gas) Five red led's (visual) and 85db audible alerts that increase with gas concentration

5
8.9
SCORE
Sensorcon Industrial PRO Carbon Monoxide Gas Monitor, Adjustable Alert Points, Visual, Audible and Vibrating Alerts, TWA Feature

Sensorcon Industrial PRO Carbon Monoxide Gas Monitor

Adjustable Alert Points, Visual, Audible and Vibrating Alerts, TWA Feature

by Sensorcon
What We like

Designed primarily for industrial and commercial applications. Watch the short video for more information

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Product Features

  • Serviceable for long term ownership including calibration and replaceable battery
  • Adjustable high/low alert points as low as 1 ppm; certified Intrinsically Safe
  • Visual alert, audible alert, vibrating alert, real-time carbon monoxide display from 1 to 1,999 ppm

Serviceable for long term ownership including calibration and replaceable battery Visual alert, audible alert, vibrating alert, real-time carbon monoxide display from 1 to 1,999 ppm Adjustable high/low alert points as low as 1 ppm; certified intrinsically safe

6
8.5
SCORE
Sensorcon Inspector CO Carbon Monoxide Monitor with Visual and Audible Alerts, Waterproof

Sensorcon Inspector CO Carbon Monoxide Monitor with Visual and Audible Alerts

Waterproof

by Sensorcon
What We like

Designed for industrial and commercial applications. Watch the short video for more information

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Product Features

  • Sounds low level alert at 35 ppm and high level alert at 200 ppm
  • Visual alert, audible alert, real-time carbon monoxide display from 1 to 1,999 ppm
  • Serviceable for long term ownership including calibration and replaceable battery

Visual alert, audible alert, real-time carbon monoxide display from 1 to 1,999 ppm Sounds low level alert at 35 ppm and high level alert at 200 ppm Serviceable for long term ownership including calibration and replaceable battery

7
8.5
SCORE
Gas Leak Detector by Forensics | Adjustable Alarms | 0-10,000ppm & 1ppm Resolution Display | Water, Dust & Explosion Proof | Li-Ion Battery | Natural Gas, Methane & Combustibles | RED Color

FORENSICS DETECTORS FD Gas Leak Detector by Forensics

Adjustable Alarms, 0-10,000ppm & 1ppm Resolution Display, Water, Dust & Explosion Proof, Li-Ion Battery, Natural Gas, Methane & Combustibles, RED Color

by FORENSICS
What We like

USES: Designed for inspectors, utility workers, refinery workers, maintenance engineers and technicians.

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Product Features

  • ALARMS: Adjustable Audio, visual, and vibration alarms alert when preset levels are reached.
  • COLOR DISPLAY: Large color LCD screen with temp and humidity. Shock proof, water proof, dust proof and explosion proof.
  • ACCURATE: Accurate Made in Japan sensor, most sensitive with ppm (0-10,000ppm) or umol/mol concentration display. Comes FACTORY CALIBRATED. Turn ON and GO.

alarms: adjustable audio, visual, and vibration alarms alert when preset levels are reached. accurate: accurate made in japan sensor, most sensitive with ppm (0-10,000ppm) or umol/mol concentration display. comes factory calibrated. turn on and go. color display: large color lcd screen with temp and humidity. shock proof, water proof, dust proof and explosion proof.

8
8.5
SCORE
Sensorcon Inspector CO Carbon Monoxide Monitor with Pump and Probe, Visual and Audible Alerts, Waterproof

Sensorcon Inspector CO Carbon Monoxide Monitor with Pump and Probe

Visual and Audible Alerts, Waterproof

by Sensorcon
What We like

Serviceable for long term ownership including calibration, replacement sensor, and battery

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Product Features

  • Visual alert, audible alert, real-time carbon monoxide display from 1 to 1,999 ppm
  • Includes pump and probe assembly. Watch the short video for more information
  • Sounds low level alert at 35 ppm and high level alert at 200 ppm; also displays visual alerts at both levels

Sounds low level alert at 35 ppm and high level alert at 200 ppm; also displays visual alerts at both levels Visual alert, audible alert, real-time carbon monoxide display from 1 to 1,999 ppm Includes pump and probe assembly. watch the short video for more information

9
8.5
SCORE
BW Technologies MCXL-XWHM-Y-NA GasAlertMicroClip XL 4 Gas Detector, CO, H2S, LEL and O2, Yellow

BW Technologies MCXL-XWHM-Y-NA GasAlertMicroClip XL 4 Gas Detector

CO, H2S, LEL and O2, Yellow

by Honeywell International, Inc
What We like

Easy and comfortable to wear; thin and lightweight, ambient air monitoring applications

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Product Features

  • Easy operation and straightforward training with one-button simplicity
  • Four-gas detector for surveying levels of H2S, oxygen (O2), carbon monoxide (CO), and combustibles in natural and industrial environments, and in other personal safety, training, research
  • Easy visual compliance with flashing, green IntelliFlash
  • LCD screen shows up to four ambient gas concentrations, battery level, alarm condition, and the status of calibration, bump, and sensor self-tests

Lcd screen shows up to four ambient gas concentrations, battery level, alarm condition, and the status of calibration, bump, and sensor self-tests Easy visual compliance with flashing, green intelliflash Easy operation and straightforward training with one-button simplicity Four-gas detector for surveying levels of h2s, oxygen (o2), carbon monoxide (co), and combustibles in natural and industrial environments, and in other personal safety, training, research

10
8.5
SCORE
MSA ALTAIR Portable Hydrogen Sulfide Monitor

Msa Safety Sales, Llc MSA ALTAIR Portable Hydrogen Sulfide Monitor

by Msa Safety Sales, Llc
What We like

Made in: United States

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Product Features

  • Manufacturer: Msa Safety Sales, Llc
  • Gas Monitors & Sensors

Manufacturer: Msa Safety Sales, Llc Gas monitors & sensors

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