EXTECH SD 800( CO2/ HUMIDITY/ TEMPERATURE DATALOGGER)

Checks for Carbon Dioxide ( CO2) concentrations
Maintenance free dual wavelength NDIR ( non-dispersive infrared) CO2 sensor
Triple LCD simultaneously displays CO2, Temperature and Relative Humidity
Measurement ranges: CO2 – 0 to 4, 000ppm; Temperature – 32 to 122° F ( 0 to 50° C) ; Humidity – 10 to 90% RH
Datalogger stores readings on an SD card in Excel® format for easy transfer to a PC
Selectable data sampling rate: 5, 10, 30, 60, 120, 300, 600 seconds or Auto
Complete with six AAA batteries, 2G SD memory card, universal AC adaptor, and mounting bracket