testo 317-3 - CO detector for measuring CO in the surrounding air
- Ready to go: no zeroing phase
- Alarm with adjustable thresholds
- 3-year CO sensor warranty
- Carry case with belt clip and handstrap
Carbon monoxide is a killer. That’s why CO checks need to be carried out when a gas heating or boiler is being serviced or installed. The compact testo 317-3 CO detector is designed to provide you with a quick and reliable means of testing the surrounding air for carbon monoxide.