Lutron GC-2028 CO2 Meter + Temperature

CO2 METER, Temperature.
GC-2028
* CO2 range : 0 to 4,000 ppm, max. 6000 ppm typically.
* CO2 sensor : NDIR, long term reliability.
* CO2 with alarm setting.
* Functions : CO2 ( Carbon dioxide ), Temp. (°C/°F)
* Data hold, Record ( Max., Min. ).
* RS232/USB computer interface.
* Optional data Acquisition softwares : SW-U801-WIN, SW-E802.
* Optional USB cable.