The Klein Tools ET110 Carbon Monoxide Meter is a professional-grade handheld detector designed to measure carbon monoxide levels in parts per million (ppm) with precision. Featuring a digital LCD display with max/average readings and temperature measurement, this meter provides critical safety information for HVAC, automotive, and home inspections. The unit includes a backlight for low-light environments, hold and mute functions, and comes with a durable carrying case for easy transport and protection. Compact and lightweight, the ET110 is an essential tool for detecting hazardous CO levels efficiently and reliably.

Klein Tools ET110 Carbon Monoxide Meter
User Guide
Soft Case

Carbon Monoxide Meter is previously owned and works well. Minor wear. See pictures for actual condition and items included.

Orders are processed and shipped within one to two business days Monday through Friday 9:00 am – 5:00 PM. Your satisfaction is our primary goal! If for any reason you are not satisfied, we offer a 10 day money back guarantee from date of purchase for in-store pick-up orders and 15 day money back guarantee from date of purchase on shipped.