* Recorder with real time data recorder, save the measuring data along the time information (year, month, date, minute, second) into the SD memory card and can be download to the Excel, extra software is no need. * CO2 range : 0 to 4000 ppm. * Humidity : 10 to 90 %RH. * Temperature : 0 to 50.0 oC, oC/oF.
- 3 Independent CO2, humidity and temperature sensors.- User operated CO2 calibration.- USB datalogg: 50,000 records.- Internal backup battery to maintain date/time setting. - Power management IC to increase batter efficiency. - Easy- to-Use PC software for parameter settings and data analysis.- Internal CO2 alarm buzzer.