The Triplett Model GSM130 Portable Carbon Monoxide Meter with user-adjustable CO alarm level has a range of 0 to 999ppm and simultaneously displays current CO and Max CO levels. It can be used to check Carbon Monoxide (CO) levels in chimneys/flues, gas appliances (ovens, ranges, dryers), furnaces, internal combustion engines, portable generators, and all coal/wood/charcoal/oil/kerosene/propane/natural gas burning devices. It features a 25ppm default alarm setting with user selectable settings of 30, 35, 40, 45, 50, 70, 100 and 200ppm. Additional features include automatic calibration in clean air (0ppm) or use 100/500ppm standard gases, backlit dual LCD display, and Auto power off. Includes (3) AAA batteries, wrist strap and pouch case. 1-year warranty.
Simultaneously displays current CO and Max CO levels
0 to 999ppm range
User-adjustable CO alarm level
Records maximum reading from power on (with user reset)
25ppm default alarm setting with user selectable settings of 30, 35, 40, 45, 50, 70, 100 and 200ppm
Automatic calibration in clean air (0ppm) or uses 100/500ppm standard gases
Backlit dual LCD display
Low battery indicator
Auto power off