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 CO meter detects and measures concentration levels of carbon monoxide gas
• Portable CO 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