CO check is the convenient, dependable way to detect and measure dangerous carbon monoxide (CO)1 in both residential and commercial/industrial applications. The instrument combines superior accuracy and reliability with simple, one-hand operation. Intuitive stoplight LEDs and an audible alarm alert you to the danger level of CO present, while the large, easy-to-read LCD provides a precise readout of the exact CO level. A protective holster case with belt clip adds to your convenience. CO Check is a natural companion for our GAS-mate combustible gas leak detector, since both enhance heating system safety. For accurate, reliable CO detection in a convenient, affordable package that has all the features you need, CO check is the tool for you.

Inficon Carbon Monoxide Meter, 1 to 999 mg/L Measuring, 3% Accuracy, LCD Display, Variable Beeping Alarm Indicator, On/Off Control, Battery, Additional Information: 9 V Power Supply, Alkaline Battery Type

• Best-in-class accuracy for peace of mind
• Easy-to-use pushbuttons let you perform all functions with one hand
• Highly visible, intuitive stoplight LEDs give you quick indication of CO hazard
• Large easy-to-read LCD for precise measurements
• Audible alarm