The Pocket CO from KWJ Engineering Inc., Newark, CA, is an ACGIH-compliant digital carbon monoxide (CO) dosimeter/detector. The 2.4 by 1.4 by 0.65 in. device alerts you to CO exposure from 5–500 ppm and provides time-weighted average, total exposure, max. ppm, and time when max. occurred. It offers an 85 dB alarm at 2 ft. a flashing red LED alarm, and a vibration alarm. Alarm points are 25 ppm TWA, 125 ppm, and 400 ppm (instantaneous). Other features include alphanumeric display, memory recall, self-diagnostic calibration check, 2 yr. limited warranty, and 1 yr. battery warranty.
KWJ Engineering Inc.