The ET110 from Klein Tools 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.

Features:

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

Meter is NOT intended for use as personal protection equipment

Specifications:

Batteries: 4xAAA

Auto-Power Off: Yes

Backlit: Yes

Display: LCD

Temperature: F/C

Included Accessories: Batteries, Pouch

Audible Alert: Yes

Visual Notification: Yes

Weight: 5.1 oz. (144.2 g)

Height: 7-3/4" (196.9 mm)

Width: 2-5/32" (54.8 mm)

Overall Length: 1-29/64" (36.9 mm)

Klein Tool's ET110 Instruction Manual