Best Carbon Monoxide Sensor

3 Pack Smoke and Carbon Monoxide Detector Powered by Battery with Digital Display, Dual Alarm Sensor of Smoke and CO,Easy to Install

  • Smoke and Carbon Monoxide Detector Offering Excellent Security: Making a Loud Alarm (85 dB) When It Detects a Buildup of Smoke or Carbon Monoxide, and Instantly Alert Those In Danger..
  • Built-in Electrochemical Sensor with High Accuracy and Infrared Photoelectric Sensor Helping to Reduce False Alarms..
  • Carbon Monoxide Detector and Smoke Alarm Providing Whole-day Protection.
  • Battery-powered Unit Can be Installed Quickly and Easily without an Electrician.
Check Stock

First Alert CO615 Plug-in Alarm with Battery Backup and Digital Display (1 Pack), White

  • Keep your family safe with this digital display, plug in carbon monoxide alarm.
  • It works with any standard outlet and also has a battery backup for continuous monitoring of Carbon Monoxide levels, even if there's a power failure.
  • Features an advanced electrochemical carbon monoxide sensor.
  • Peak level feature displays the highest concentration of carbon monoxide measured.
  • A loud 85 decibel alarm sounds when Carbon Monoxide levels reach dangerous levels.
  • To ensure complete protection make sure to place one on each level of your home and in each bedroom.
  • Equipped with end of life signal chirp, so you know when it’s time to replace the unit for safety.
  • All first alert CO alarms are rigorously tested to meet UL standards.
  • First Alert has been the most trusted brand in home safety since launching the first residential smoke alarm in 1958 (Based on a First Alert Brand Trust Survey in February 2018).
Check Stock

MSA 10125914 Altair 4X Multi Gas Detector Charcoal

  • Methane, Oxygen, Carbon Monoxide, Nitrogen Dioxide.
  • Dependable multiage detector tests for LEL, oxygen, carbon monoxide, hydrogen sulfide, sulfur dioxide and nitrogen dioxide.
  • Economical construction saves users more than 50% on calibration gas, replacement sensors and maintenance.
  • Four-year sensor life means detector lasts 60% longer than the industry average.
  • Two-tux CO/H2S sensor removes practically all cross-channel interference.
Check Stock

BW Technologies XT-XWHM-Y-NA GasAlertMax XT II 4-Gas Detector with Pump, Combustible, O2, H2S and CO, Yellow

  • 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, and ambient air monitoring applications.
  • Electrochemical cell sensor measures H2S and carbon monoxide levels in ppm, capillary-pore fuel cell measures oxygen in percent by volume, and catalytic bead combustible sensor measures explosive gases in percent LEL.
  • Audio, visual, and vibration alarms alert simultaneously when ambient H2S, oxygen, carbon monoxide, and combustible gases reach preset low, high, TWA, or STEL levels.
  • LCD screen shows up to four ambient gas concentrations, battery level, alarm condition, and the status of calibration, bump, and sensor self-tests.
  • Integrated diaphragm pump allows for localized sampling of the atmosphere for more precise readings than those generated through diffusion.
Check Stock

First Alert BRK CO511 Carbon Monoxide CO Detector Wireless Interconnected with Voice and Location

  • Battery-operated carbon monoxide alarm can be installed easily.
  • Connects multiple alarms together for wireless safety network.
  • Voice alarm gives clear indication of where the problem is located.
  • Electrochemical CO sensor detects elevated carbon monoxide levels.Single button silences a false alarm and tests the carbon monoxide alarm.
Check Stock

Carbon Monoxide Detectors, Portable CO Alarm Detector Device with LCD Digital Display for Travel Home, UL Listed Carbon Monoxide Alarm with Electrochemical Sensor, Battery Powered

  • 【Fast and Accurate Detection】The carbon monoxide detector is built-in advanced electrochemical CO sensor that provides high-precision alarms for fast and accurate detection of carbon monoxide levels. When the carbon monoxide concentration exceeds the specified value, an alarm warning of more than 85 decibels will be issued. To ensure complete protection, be sure to place one on every floor of your home and in every bedroom..
  • 【Wide Adaptability】The carbon monoxide detector is suitable for all places where carbon monoxide may be produced, such as your home kitchen, bedroom, bathroom, warehouse, hotel, car, parking lot or barbecue time! The portable carbon monoxide detector is powered by 2*1.5V AAA batteries (not included), which is easy to use, just one test/reset button..
  • 【LCD Digital Display and LED Indicators】The carbon monoxide detector has an LCD digital display that displays real-time CO levels, allowing you to see any significant changes in CO levels, and can display battery life, prompting you to replace batteries.The intuitive LED indicator can clearly inform the working status of the CO alarm detector: the green LED indicates normal operation, the red LED indicates the alarm status, and the yellow LED indicates the fault..
Check Stock

Smoke and Carbon Monoxide Detector, Smoke Detector Carbon Monoxide Detector Combo, Dual Sensor Smoke CO Alarm with Test/Silence, Photoelectric Fire Alarm and CO Detector with Replaceable Battery

  • [2 in 1 Protection] The combined smoke and carbon monoxide detector is equipped with an electro-optical smoke sensor and an electrochemical CO sensor that operate independently of each other. It detects both smoke and co, making your home safer by providing the ultimate protection against two deadly threats..
  • [Voice alarm] The e voice system can help you quickly understand the danger, orderly evacuation. Carbon monoxide (CO) alarm pattern is four quick beeps with voice “Warning! Carbon Monoxide, evacuate" repeating every 5 seconds. Smoke alarm pattern is three long beeps with voice "Fire!", and three long beeps repeating..
  • [10 years product life] Smoke and carbon monoxide alarms feature two replaceable AA batteries and an end of life signal that lets you know when you need to change equipment to ensure safety. Longer product life, so that the family safety up to ten years..
  • [Using a simple] Carbon monoxide detectors and smoke alarms use an automatic test function that automatically checks the batteries and sensors every 80 seconds to ensure they are working properly. The mute button makes it easy to turn of....
Check Stock

AEGISLINK Smoke and Carbon Monoxide Detector 10-Year Lifespan with Replaceable Battery, Photoelectric Fire Alarm and Electrochemical CO Alarm with Test/Silence Button, SC200, 1-Pack

  • This smoke and carbon monoxide alarm has long-lasting sensors and components that deliver a long life of up to 10 years.
  • also includes a replaceable 3-year lithium battery.
  • Informative LCD shows real-time CO concentrations and battery power to monitor for CO leaks and battery level.
  • to save power, it will activate only when the device is tested or the ppm has reached the alarm level for a certain period.
  • Featuring a light and thin design, this combination smoke and carbon monoxide detector has a 215–430 sq. ft (20–40 m²) detection range, fully protecting you and your family from dangerous smoke and carbon monoxide.
  • This smoke and carbon monoxide detector is built with both a cutting-edge photoelectric smoke sensor and electrochemical CO sensor to deliver high consistency and reliability for double detection and protection.
  • The loud alarm tone is over 85 dB at 10 ft (3 m) to alert anyone in a deep sleep.
  • with included screws and anchor plugs, this battery-operated unit can be installed effortlessly without an electrician.
Check Stock

3 Pack Photoelectric Smoke and Carbon Monoxide Detector Smoke Alarm Sealed-in 10 Year Lithium Battery-Operated White

  • Combo Smoke and Co Detector: Features electrochemical Carbon Monoxide sensing technology and photoelectric smoke sensor optimized to detect larger....
  • 10 Year Battery Operated: This combination smoke detector and carbon monoxide detector alarm provides 10 years of continuous power with a built-in....
  • Test/Sience Button: Tests the unit for proper operation and resets the carbon monoxide alarm, Alarm.
  • LOW BATTERY SIGNAL: Low battery voltage signal and end of life warning ensures the co detector can work normal. Environment friendly, without smell,....
  • A loud 85-decibel alarm sounds when Carbon Monoxide, and Smoke levels begin to rise, Easy to Install and Use: The alarm can easily install with....
Check Stock