Monitor with real time data logger, save the measuring data along the time information ( year, month, date, minute, second) into the SD memory card and can be down load to the Excel, extra software is no need.
C02 range: 0 to 4000 ppm.
Humidity: 10 to 95 %RH.
Temperature: 0 to 50.0 °C, °CrF.
Show C02, humidity and temperature value in the same LCD.
Large LCD display, easy readout.
RS2321USB computer interface.