Used for ambient air safety checks on residential appliances, HVAC service on furnaces and hot water heaters, home inspections, and inspections of industrial environments where CO may accumulate.
Ergonomic pocket size housing.
One button operation.
Easy to read 1999 count back-lit displays CO levels from 0 to 1000ppm.
Audible alarm starts at 35ppm with continuous beeping when above 200ppm.