Fieldpiece Carbon Monoxide Detector, Electrochemical Detection Method, 9 V Battery, 0 - 1000 mg/L Sensitivity, 32 - 122 deg F

• Lasts approximately two-year
• Field-replaceable CO sensor
• Easy to install
• Comes pre-calibrated
• Fast electrochemical sensor helps you find CO sources like cracked heat exchangers or breached flue stacks
• Calibrate to ambient quickly with zero button
• Audio and visual alarms (with MUTE function)
• Alarm rate increases as carbon monoxide concentration increases
• Maximum hold to help you zero in on the source
• Bright blue backlit dual display to test in dark crawl spaces
• Magnetic hanger for hands free testing
• Auto power off (APO) to save battery life (easy to disable)
• Battery check with % of battery life left displayed