Lutron GCO-2008 CO Meter

CO METER
Model : GCO-2008
* CO ( Carbon monoxide ), Temperature.
* CO range : 0 to 1,000 ppm.
* Temperature. : 0 to 50 °C, °C/.°F.
* CO response time : 30 second.
* CO with alarm setting.
* Data hold.
* Record ( Max., Min. ).
* RS232/USB computer interface.
* 1.5 V battery ( UM-4/AAA ) x 6 PCs or DC 9V adapter in.