extech co30: co (carbon monoxide) monitor

indoor compact co monitor with tilt leg stand

the co30 is a co monitor which displays carbon monoxide (co) concentration, air temperature, and relative humidity. the co30 features a programmable audible alarm with a high decibel beeper, sounds when co concentration rises to unsafe levels. unit can be wall mounted or used on a desktop close to areas of concern. other features include a visible bright tri-colored (green, yellow, red) led alarm indicator, a ''zero'' re-calibration function, manual temperature and relative humidity compensation (adjustable), co calibration function in fresh air, and a low battery indicator. complete with universal ac adaptor (including us, eu, uk, and au plugs), and 4 aaa batteries.

features
 

• alternately displays carbon monoxide (co) concentration, air temperature, and relative humidity readings (cycles approximately every 6 seconds)
• visible bright tri-colored (green, yellow, red) led alarm indicator
• adjustable audible alarm for readings exceeding one of the selected ranges: 25ppm, 30ppm, 35ppm, 50ppm, 100ppm or 200ppm
• zero re-calibration function
• manual temperature and relative humidity compensation (adjustable)
• co calibration function in fresh air
• low battery indicator
• complete with universal ac adaptor (including us, eu, uk, and au plugs), and 4 aaa batteries