Measure / monitor ambient CO levels in home and office spaces. Visual and audible alarm indicates unsafe CO levels.

The 770 Carbon Monoxide Monitor 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