10 BEST GAS DETECTORS & ALARMS for sale in 2024 – compare between the best gas detectors & alarms on sale.

Rank Product Rating
1
Kidde AC Plug-in Carbon Monoxide and Explosive Gas Detector Alarm | Nighthawk Sensor Technology | Model # KN-COEG-3
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1,094 Reviews
Product Highlights
  • Protects you and your family from two deadly threats: Carbon monoxide and explosive gas.
  • Sounder alarm – The KN-COEG-3 offers a loud 85-decibel pulsing alarm that will sound to alert you to a potential problem.
  • Digital display - Displays the level of carbon monoxide the unit is sensing.
  • Peak level memory - Recalls the highest CO concentration detected

$42.99
2
Techamor Y302 Methane/Propane/Combustible Natural Gas Leak Sniffer Detector Alarm with Voice Warning and Digital Display
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No ratings yet
Product Highlights
  • [Multiple Gases Detection]: Y301 & Y302 gas detectors are suitable for 24 hours gas leak monitor of methane, LPG (propane), natural gas, gas fuel etc. For trace and locate exact leakage point, refer to gas leak detector Y201, ASIN: B07BM1XWB8
  • [Precise Digital Display & Warning]: The detector precisely measures and displays concentration of leakage gas by an easy-to-read percentage from 0%~20% of LEL. View the concentration of combustible gas on the LED screen before it reaches explosive concentration level. Audible siren and alarm sounds when gas level reaches to 5% (LEL= lower explosive limit)
  • [Easy to Install]: Easy-to-install design. Y301 can be fixed on smooth wall with 3M circular double side adhesive sticker or fastening adaptor on rough wall by 2 screws. Y302 can be just plugged to power socket.
  • [Premium Quality]: Eco-friendly and V0 level fire-resistant ABS+PC material that complies with UL94 material flammability rate reduce the potential gas explosion risky and keep family numbers and poverty safety.

$34.99
3
Natural Digital Gas Detector, Home Gas Alarm, Gas Leak Detector,High Sensitivity LPG LNG Coal Natural Gas Leak Detection, Alarm Monitor Sensor Home/Kitchen
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107 Reviews
Product Highlights
  • Detect Multiple Gases- Home gas detector suitable for detecting LPG(Methane), natural gas, coal gas, gas fuel, artificial gas, liquefied petroleum gas, liquefied natural gas etc.
  • LED Digital Display & Sound Warning- Gas Detector offers Voice Notification and a digital readout of the GAS concentration.When gas leak concentration reaches presetting level, the alarm provides a visual and audible signal. 85dB alarm sound, reduce the risk of gas explosion and protect your family's life and property safety.
  • Easy to Install- Gas leak detector adopts Easy-to-install Design, can be used by plugging directly into the power socket to detect leaked gas.
  • Widely Applyed -This product can be used as independent family alarm equipment, and also can be used as front detector of alarm system. Widely Used for Restaurant, Hospital,Hotel, Oil Factory,Garage, Gas Station etc.

$17.99
4
Propane/Natural Gas Detector, Home Gas Leak Alarm, Tester, Sensor, Sniffer; Monitor Combustible Explosive Gas Level: Methane, Butane, LPG, LNG; Sound/Light Warning & LED Display, eBook
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325 Reviews
Product Highlights
  • SAFETY - Help reduce your worries that the stove gas has been left on accidentally. This alarm will sound an 85dB alarm with flashing LED when it detects combustible gases including kitchen methane / natural gas or camping propane before it reaches an high level. Feel more assured that your family is safe.
  • SCIENTIFIC - This alarm precisely measures and displays concentration of combustible gas as an easy-to-read percentage from 0% to 20% of LEL. View the concentration of combustible gas on the LED screen before it reaches its explosive concentration level. Audible alarm sounds when gas level reaches 5% of Lower Explosive Limit (LEL).
  • ECONOMICAL & GREEN - Powered by a USB cable, you can plug this detector anywhere, whether at home or in the RV with a USB smartphone charger. This alarm uses ~110 mA of current and <0.55 watts of electricity and has a small energy footprint. This alarm can also help alert if someone has left on the stove, reducing your gas bill.
  • DURABLE - Shelled in double-sided ABS, this product is anti-mildew, anti-pest, and anti-corrosive. Wipes clean easily. Use in the kitchen or in your camper.

$42.82
5
Portable Propane Methane and Natural Gas Leak Detector (Batteries Included), Combustible Gas Sniffer, Gas Tester Meter Sensor with Sound Light Alarm Adjustable
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Product Highlights
  • Portable natural gas detector for detecting all combustible gas leak, LPG, LNG, fuel, hydrocarbons (methane, natural gas, gas, ethane, propane, benzene, Acetylene, propane, Pentane, hexane, gas oil, toluene), halogenated hydrocarbons(methylchloride, methylene chloride, three chloride, vinyl chloride), alcohols(methanol, ethanol), sewer gas etc. You can use it in your house or your RV.
  • Come with 3xAA batteries, ready to use! Compact size, light weight, easy to carry and operate. Long flexible stainless probe reaches all areas.
  • Audible semiconductor probe and auto fast warm-up.
  • Instant response, pinpoint leak position, whether in your home or in your RV. Audio & visible leakage alarm indication and adjustable sensitivity. Minimum 50 PPM (methane)

$29.99
6
Gas Detector Alarm, Portable Natural Gas Tester Detector/Combustible Propane Methane Gas Sensorr, Combustible Gas Sniffer with Sound Warning, Adjustable Sensitivity and Flex Probe.
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Product Highlights
  • 1.High Sensitivity Quick Respon: Highly sensitive (adjustable) with a quick reaction time, you will be able to detect gas leaks within 10 seconds and prevent dangerous accidents or damages.
  • 2.Small Detector Super Sensor: A 14-inch flexible probe allows location and detection of leaks in hard-to-reach and confined spaces Six red LED's (visual) and 85dB audible alerts that increase with Gas concentration,super sensor,high sensitivity,long lifetime.
  • 3.Versatile with Combustible Gases: for the detection of flammable gases, such as gas pipelines, propane tank stations, cabin leaks, exhaust gas and fuel leaks, inspection of leaks at the access. including methane or natural gas, propane, ethane, coal gas, gas oil, gasoline, toluene, alcohol, ketone and other flammable gases.Use in struction projects, mines, safety check of gas appliances, oil spill home kitchen or camper and etc.
  • 4.Economical and Green: Low battery indicator,audible buzzer, the combustible gas leak detector features a low battery indicator that makes sure the instrument is charged up before next use. Also, loud audible buzzers installed in the device indicate presence and concentration of detected gas.

$25.99
7
Natural Gas Detector, Gas Leak Detector, Household Propane Leak Detector (A)
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2 Reviews
Product Highlights
  • Natural Gas Detector:Gas leak detectors for home use make your environment safer.
  • Gas Leak Detector:Adopt high-precision sensor technology to accurately monitor leaked gas.
  • LED Digital Display & Sound Warning:Gas Detector offers Voice Notification and a digital readout of the GAS concentration.When gas leak concentration reaches presetting level, the alarm provides a visual and audible signal.
  • Easy to Install:Gas leak detector adopts Easy-to-install Design, can be used by plugging directly into the power socket to detect leaked gas.

$17.99
8
Propane/Natural Gas Detector, Home Gas Leak Alarm, Tester, Sensor, Sniffer; Monitor Combustible Explosive Gas Level: Methane, Butane, LPG, LNG; Voice/Light Warning & LED Display; eBook
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No ratings yet
Product Highlights
  • SAFETY - Help reduce your worries that the stove gas has been left on accidentally. This explosive gas leak alarm will sound an 80dB siren and speaking voice alarm with top flashing red light when it detects combustible gases including kitchen methane / natural gas or camping propane before it reaches an explosive level leading to fires. Feel more assured that your family is safe.
  • SCIENTIFIC - This alarm precisely measures and displays concentration of combustible gas as an easy-to-read percentage from 0% to 20% of LEL. View the concentration of combustible gas on the LED screen before it reaches its explosive concentration level. Audible siren and speaking alarm sounds when gas level reaches 5% of Lower Explosive Limit (LEL).
  • ECONOMICAL & GREEN - This alarm uses <3 watts of electricity and has a small energy footprint. This alarm will also help prevent someone from leaving on the stove, reducing your gas bill.
  • DURABLE - Shelled in double-sided ABS, this product is anti-mildew, anti-pest, and anti-corrosive. Wipes clean easily. Use in the kitchen or in your camper.

$29.99
9
Natural Gas Detector Home Gas Alarm Gas Leak Detector High Sensitivity LPG LNG Coal Natural Gas Leak Detection Gas Leak Alarm Monitor Sensor
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No ratings yet
Product Highlights
  • Detect Multiple Gases: Home natural gas detector suitable for detecting LPG, natural gas, coal gas, gas fuel, artificial gas, liquefied petroleum gas, liquefied natural gas etc.
  • Play Voice & Sound Alarm: Gas Detector offers Voice Notification and a digital readout of the GAS concentration.When gas leak concentration reaches presetting level, the alarm provides a visual and audible signal. 85dB alarm sound, reduce the risk of gas explosion and protect your family's life and property safety
  • Widely Applied: This product can be used as independent family alarm equipment, and also can be used as front detector of alarm system. Widely Used for Restaurant, Hospital,Hotel, Oil Factory,Garage, Gas Station etc.
  • Easy-to-install: Gas leak detector adopts Easy-to-install Design, can be used by plugging directly into the power socket to detect leaked gas.

$17.99
10
Natural Gas Detector, GEARDON Plug-in Home Gas/Methane/Propane Alarm Detector, Leak Sensor Detector with Voice Promp and LED Display
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No ratings yet
Product Highlights
  • DETECT MULTIPLE GASESGas detector suitable for almost all applications with combustible gases, mists and residues. Such as natural gas, LPG(Propane and Methane), gas fuel, coal gas, artificial gas, liquefied natural gas, liquefied petroleum gas, etc.
  • SOUND WARNING & LED DIGITAL DISPLAYWhen combustible gases leak exceed the standard, this gas detector will alarm and voice reminding and the LED screen will show the concentration. It can help reduce your worries that the stove gas has been left on accidentally and protect your family's life and property safety.
  • SIMPLE TO USEConnect the methane detector to 90V-240V power or use 9V rechargeable battery(not included), the indicator light will light up and voice prompt will start speaking.The propane detector will display 3 minutes counting when the gas detector is in starting-up.
  • ECONOMICALThis alarm uses <3 watts of electricity and has a small energy footprint. This alarm will also help prevent someone from leaving on the stove, reducing your gas bill.

$24.99

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