The 770 is a state of the art carbon monoxide instrument designed to measure CO in ambient air. This palm-sized unit displays readings in 1ppm increments.
- Measure CO from O to 999ppm
- Displays the max. CO reading in PPM since power on
- Displays in hours and minutes, time elapsed since power on
- Displays user set value of audible and visual alarm
- The audible alarm can be switched on and off by pressing the SEL button