Klein Tools Carbon Monoxide Tester

The ET110 CO Detector is an easy-to-use meter that detects and measures concentration levels of carbon monoxide (ppm) and temperature (Fahrenheit/Celsius), making it the perfect choice for HVAC professionals. Features backlit LCD screen, warning indicator light, audible and visual alarms and multiple function buttons. Includes carrying pouch and 4xAAA batteries.|Easy-to-use carbon monoxide meter detects and measures concentration levels of carbon monoxide gas|Portable carbon monoxide detector with user protection and short-term exposure limit (STEL) alarm|Low level alarm (35 ppm) and high level alarm (200 ppm)|Audible and visual alarms|Backlit display with CO measurements (0 to 1000 ppm) and temperature (Farenheit and Celcius)|Auto-power off after 20 minutes of no usage helps conserve battery life|Includes carrying pouch and 4xAAA batteries|Meter is NOT intended for use as personal protection equipment