Carbon Monoxide Detectors - page 2

Kidde KN-COB-B-LP Nighthawk Carbon Monoxide Alarm

A simple battery-powered CO alarm that works through power outages and installs anywhere without wiring. No digital readout or interconnect is listed, so it only signals that CO is present, not how much.

Sensorcon Inspector Portable CO Monitor

A wearable CO monitor certified for hazardous locations, for HVAC, utility and confined space work. Alarm thresholds are factory set, and size and weight are not listed.

Kidde C3010 Worry-Free Carbon Monoxide Alarm

A set-and-forget carbon monoxide alarm with a sealed battery that cannot be pulled or forgotten. It has no display and no smoke sensing, so it covers one hazard and shows status through lights only.

First Alert CO400B Carbon Monoxide Detector

BRK SC9120BA Hardwired Smoke and CO Detector

A wired smoke and carbon monoxide alarm for replacing or adding units on an interconnected home system. Its smoke sensor is ionization only, so anyone wanting photoelectric sensing should look at another model.

First Alert CO605 Carbon Monoxide Alarm

A simple plug-in CO alarm for bedrooms and rentals that need code-compliant coverage with a backup battery. It has no display, so it alarms without showing levels.

First Alert GCO1CN Explosive Gas and CO Alarm

Kidde Worry-Free 10-Year Carbon Monoxide Alarm

A sealed battery carbon monoxide alarm that runs a decade without battery changes and switches on when mounted. It detects CO only, not smoke, and the listing gives no warranty term.

MSA 10092521 Altair Single-Gas Detector

A rugged clip-on hydrogen sulfide monitor with a loud triple alarm and an event log for safety records. Look elsewhere for carbon monoxide detection, since the sensor watches one gas only.