Triplett GSM120 | Portable Carbon Monoxide (CO) Meter

The Triplett Model GSM120 Portable Carbon Monoxide Meter incorporates a stabilized electro-chemical gas-specific (CO) sensor to measure CO from 0 to 1000ppm. 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. An audible alarm at 35ppm increases beeping until continuous at 200ppm. Measuring Time Mode displays elapsed time from when the meter is powered on and Max Hold records the highest reading. Additional features include self calibration in fresh air, manually store/recall 10 readings, backlit LCD display, and Auto power off with disable. Includes 9V  battery, rubber holster, and carrying case. 1-year warranty.