Reed Instruments SD-9901 Indoor Air Quality Meter/Data Logger

FEATURES

Measures CO2, CO, O2, humidity and temperature Non-dispersive infrared CO2 sensor Galvanic cell CO and O2 sensors Precision capacitance humidity sensor Includes humidity probe, CO probe, CO2 probe, O2 probe, and hard carrying case Records readings from 3 probes simultaneously Audible alarm setpoint Temperature is measured in °C or °F Easy to read LCD with backlight Data hold and Max/Min record Real time data logger with integral 2GB SD memory card (OPTIONAL) Just plug the SD card into the computer and it downloads directly to EXCEL RS-232 and USB computer interface Auto or manual power off