Extech CO15 Carbon Monoxide (CO) Meter CCPIA The innovative toggle switch allows

The innovative toggle switch allows you to quickly switch between tactical mode

In addition

1 Custom sample) LIMIT OF 1 Packet

so you can reduce unnecessary downtime

Extech CO15 Carbon Monoxide (CO) Meter CCPIA The innovative toggle switch allowsInterNACHI Members, please click here for ordering instructions Carbon Monoxide Meter with Adjustable CO Warning Level and Backlit Display Check CO levels up to 999ppm with the push of a button using Model CO15. An audible alarm indicator will continuously beep starting at 25ppm (preset warning level value can be adjusted) and the display will flash until the CO level goes down to normal range. A backlight on the display can be used for low light