CO2/Humidity/Temperature Datalogger Records data on an SD card in Excel(R) format For easy transfer to a PC for analysis Features: * 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 122F (0 to 50C) Humidity: 10 to 90%RH * Datalogger date/time stamps and stores readings on an SD card in Excel(R) format for easy transfer to a PC * Selectable data sampling rate: 5, 10, 30, 60, 120, 300, 600 seconds or Auto * Complete with (6) AAA batteries, 2G SD memory card, Universal AC adaptor, and mounting bracket NOTE: AC adaptor required for operation. Patent Pending Monitor air quality in schools, office buildings, greenhouses, hospitals and anywhere that high levels of carbon dioxide are generated Specifications CO2 Accuracy Resolution Temperature Accuracy Resolution Humidity Accuracy Resolution Datalogging Dimensions Weight 0 to 4,000ppm 40ppm (<1000ppm); 5% rdg (>1000ppm) 1ppm 32 to 122F (0 to 50C) 1.8F/0.8C 0.1F/C 10 to 90% 4%RH 0.1% 20M data using 2G SD memory card 5.2 x 3.1 x 1.3" (132 x 80 x 32mm) 9.9oz (282g) Ordering Information: SD800........CO2/Humidity/Temperature Datalogger www.extech.com Specifications subject to change without notice. 4/19/13 - R1 Copyright (c) 2009 Extech Instruments Corporation. All rights reserved including the right of reproduction in whole or in part in any form.