Klein Tools ET110 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.

Klein Tool Model No. ET110

• Easy-to-use meter detects and measures concentration levels of carbon monoxide gas
• User protection with 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 (°F/°C )
• Auto-power off after 20 minutes of no usage helps conserve battery life
• Includes carrying pouch and 4xAAA batteries

Instruction Manual