General Tools DCO1001 Carbon Monoxide Meter

The #DCO1001 Carbon Monoxide (CO) meter is a potential life saver in homes, offices and industrial settings such as tunnels and mines. Audible alarm with adjustable setpoint Backlit dual-readout LCD displays real-time reading over the maximum level since startup 15-second self-test at startup; during startup the LCD displays the alarm setpoint over the ambient temperature One-button calibration to 0 ppm in open air; the meter also can be calibrated to 100 ppm or 500 ppm by a standard gas °F/°C switch Auto power off Additional Information ManufacturerGeneral Tools IncludesWrist strap Soft pouch Batteries 1-year limited warranty Dimensions7 x 1.7 x 1.1 in. (178 x 43 x 28mm) Measurement range/resolution0 to 999 ppm/1 ppm Measurement accuracy20% of reading from 0 to 100 ppm; 15% of reading from 100 to 500 ppm Alarm threshold options25 ppm (factory default), 30 ppm, 35 ppm, 45 ppm, 50 ppm, 70 ppm, 100 ppm, 200 ppm Auto power offAfter 15 minutes of inactivity Power sourceTh