Best Sensorcon in 2026

This monitor <b>ONLY Detects (CO) Carbon Monoxide.</b> Nothing else. Designed for industrial and commercial applications. Watch the short video for more information

Even with a presumed presence of CO, (Carbon Monoxide), a measurement of 0 ppm is not uncommon

Sounds low level alert at 35 ppm and high level alert at 200 ppm

CO detector alerts with a loud 85dB warning signal indicating dangerous levels of carbon monoxide in your home

Plug-in that still works during a power failure - 2-AA batteries (included) provide backup for your CO alarm in the event of a power outage

Easy & quick installation - plugs into any standard AC wall outlet

Keep your family safe with this easy to use, battery operated carbon monoxide alarm; Battery powered alarms provide continuous monitoring of CO levels, even if there's a power failure

Features an advanced electrochemical carbon monoxide sensor that accurately detects carbon monoxide levels, no matter where the detector is placed in the room.The alarm sequence should last 5-6 seconds. If it does not alarm, make sure fresh batteries are correctly installed, and test it again. If the unit still does not alarm, replace it immediately

A loud 85 decibel alarm sounds when CO levels reach dangerous levels

CO detector with alert modes & LED lights that pulse for power, CO detection, & low battery

Sophisticated electronic components to protect you & your family from the dangers of carbon monoxide, 85 decibel alarm alerts of fire

Protects during a power failure - operates on 2-AA batteries, included with pack

Keep your family safe with this easy to use 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 that accurately detects carbon monoxide levels, no matter where the detector is placed in the room

Simple to use, with a single test/silence button; A loud 85 decibel alarm sounds when carbon monoxide levels reach dangerous levels. Low battery signal mute, quiets low battery signal for up to 8 hours

Protects during a power failure - carbon monoxide alarm contains a 9V battery backup in case of plug-in failure. Temperature Range-40˚F (4.4˚C) to 100˚F (37.8˚C)

Easy installation - plug can be installed in any outlet of your home; or use the attached extension cord to place on a table or shelf

Peace of mind - when CO detection is normal, a red dot appears in the lower right corner & blinks; includes a test button

CO detector with alert modes & 2 LED lights that pulse for power & CO detection

Electrochemical sensing technology - CO alarm detects the presence of carbon monoxide gas, 85 decibel alarm

Protects during a power failure - CO detector operates on 3-AA batteries

Keep your family safe with this 3-Pack of easy to use, battery operated carbon monoxide alarms; battery powered alarms provide continuous monitoring of CO levels, even if there's a power failure

Features an advanced electrochemical carbon monoxide sensor that accurately detects carbon monoxide levels, no matter where the detector is placed in the room

A loud 85-decibel alarm sounds when CO levels reach dangerous levels

2-in-1 Detection - Smoke & carbon monoxide detector combo alerts you to both smoke & fire events as well as poisonous, CO gas in a single device

24/7 Self-testing components are always checking the device to ensure it's operating as expected (not a substitute for a manual push test)

Easy installation mounting bracket included for quick installation in 4 orientations

Keep your family safe with this battery operated smoke and carbon monoxide alarm; Battery powered alarms provide continuous monitoring of CO levels, even if there's a power failure

Features an electrochemical carbon monoxide sensing technology as well as a photoelectric sensor that detects the larger particles of a smoldering fire

Indicator lights on the face of the unit display the presence of smoke or carbon monoxide, while an 85 decibel siren provides a clear, loud warning upon detection

Keep your family safe from carbon monoxide in multiple rooms with this convenient plug in carbon monoxide alarm 3 pack; The alarms work with any standard outlet and also have a battery backup for continuous monitoring of CO levels, even if there's a power failure

Features an advanced electrochemical carbon monoxide sensor that accurately detects carbon monoxide levels, no matter where the detector is placed in the room

Simple to use, with a single test/silence button; A loud 85 decibel alarm sounds when Carbon Monoxide levels reach dangerous levels

Easy to install CO and explosive gas alarm with three convenient mounting options including AC wall outlet, plugin six foot power cord, or table top

Carbon Monoxide (CO) alarms four quick beeps, followed by five seconds of silence, followed by four quick beeps. Displays CO concentration

Gas alarms one second of alarm on, one second of alarm off, repeating with “GAS” shown in display

HIGHEST QUALITY, most accurate electrochemical co sensor technology

CONVENIENT, end of life chirping signal

HELPFUL, 2 silence features that silence both alarm and low-battery chirp

2-in-1 Protection: The combination smoke and CO detector detects both smoke and carbon monoxide faster and more accurately using a photoelectric smoke sensor and an electrochemical CO sensor

10-Year Battery: The fire and CO alarm is built with a sealed lithium battery that provides 10 years of continuous power, saving you from changing batteries and power outage

Combination Alarm with CO Readings: The informative LCD will show you the battery level and real-time CO levels in PPM (parts per million)

Keep your family safe with this easy to use digital-display, 10-year battery operated carbon monoxide alarm; Battery powered alarms provide continuous monitoring of CO levels, even if there's a power failure

Easy-to-read backlit digital display shows temperature and CO concentration; Peak Level feature displays the highest concentration of carbon monoxide measured

Built-in 10-year lithium battery offers continuous protection for the life of the carbon monoxide detector

Keep your family safe with this easy to use plug in carbon monoxide alarm; It works with any standard outlet

Features an advanced electrochemical carbon monoxide sensor that accurately detects carbon monoxide levels, no matter where the detector is placed in the room

A loud 85 decibel alarm sounds when carbon monoxide levels reach dangerous levels

Keep your family safe from carbon monoxide in multiple rooms with this convenient plug-in carbon monoxide alarm 3-pack; the alarms work with any standard outlet

Features an advanced electrochemical carbon monoxide sensor that accurately detects carbon monoxide levels, no matter where the detector is placed in the room

A loud 85-decibel alarm sounds when Carbon Monoxide levels reach dangerous levels.Never use water, cleaners, or solvents, sincethey may damage the unit

Smoke detector carbon monoxide detector combo – sounds loud 85 decibel alarm with voice alerts that announce "Fire! Fire!" or "Warning! Carbon Monoxide!"

Hardwired with backup battery - combo smoke and carbon monoxide detector is hardwired into a 120V power source with 9V battery backup

Easy installation – battery door is on the front for quick replacement

Plastic

Imported

120 volt hard wired carbon monoxide alarm wires directly into your home's electrical system

Double-Duty Alarm Detects Both Gas Leaks And Co Gas Simultaneously

Reliable 12V Power Means No Missing Or Dead Batteries To Replace. Operating Temperature: minus 40° F To plus 158° F

Flush Mount

10-Year Figaro CO Sensor: This carbon monoxide detector has a built-in advanced Figaro sensor that detects dangerous CO levels more accurately and responds more quickly, with a lifespan of up to 10 years

5-Year Replaceable Battery: The alarm is built with a replaceable lithium battery to provide 5 years of continuous protection; a low-battery warning tells you when to replace the battery for continued safety

Peak CO Concentration Memory: The visual LCD automatically records and saves the peak CO levels, so an alarm triggered when you are away from home can be confirmed using the recorded peak value

double-duty alarm detects both gas leaks and co gas simultaneously

reliable 12v power means no missing or dead batteries to replace

flush mount

Wireless Interconnected CO Alarms: These wireless alarms interconnect via radio frequency so that when one alarm sounds, all of them will alarm, providing earlier notification of CO danger

Battery Operated Carbon Monoxide Alarm: Equipped with a Figaro electrochemical CO sensor that delivers stable performance for 10 years; replaceable battery lasts for 5 years

Full Home Coverage: Up to 24 smoke, CO, or combination alarms can be interlinked in a network for maximum detection coverage; compatible with all X-Sense Link+ wireless alarms

Flexible Installation: Wall-mounted or free-standing; easy to take while traveling

High Accuracy & Reliability: Advanced Figaro electrochemical CO sensor; 5-year replaceable battery

Instant Alert: An early warning will be delivered through a loud 85-decibel alarm

This device is certified to work with Ring; Requires Ring Alarm Base Station to Work with Ring. Enjoy improved compatibility, easier setup and a seamless in-app experience

Receive real-time notifications in the Ring App when smoke or carbon monoxide is detected.

Certified to work with smart home systems such as Ring Alarm Base Station, Samsung SmartThings, and Nexia Home Intelligence when connected to a Z-Wave Plus gateway hub (sold separately; Not compatible with Wink or Onelink)

Keep your family safe with this hardwired smoke and carbon monoxide alarm; The battery backup means constant monitoring, even if there's a power failure

Features electrochemical Carbon Monoxide sensing technology as well as a photoelectric sensor equipped with Optipath 360 technology that enhances detection with 360 degree access and reliably detects smoke from smoldering fires

In case of danger, the loud spread spectrum alarm is designed to be heard easily by even those with some hearing issues

2-in-1 Detection - Smoke & carbon monoxide detector combo alerts you to both smoke & fire events as well as poisonous, CO gas in a single device

Photoelectric sensor detects visible fire particles associated with slow, smoldering fires, while the electrochemical sensor detects carbon monoxide

An 85-decibel alarm sounds & a red LED indicates the smoke detector is sensing smoke or fire

Battery operated smoke and 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

Keep your family safe with this easy to use digital display, battery operated carbon monoxide alarm; battery powered alarms provide continuous monitoring of CO 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

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