Extech SD800 CO2, Humidity and Temperature Datalogger
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<div style="text-align:left"><b>[Product Information]</b></br><ul><li class="aok-hidden" data-doesntfitmessage="We're not sure this item fits your " data-fitsmessage="This fits your " id="replacementPartsFitmentBullet"><span class="a-list-item"><span id="replacementPartsFitmentBulletInner"><a class="a-link-normal hsx-rpp-fitment-focus" href="#">Enter your model number</a><span>to make sure this fits.</span></span></span></li><li><span class="a-list-item"> 
							Records data on an SD card in Excel format
							
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							Checks for Carbon Dioxide (CO2) concentrations
							
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							Maintenance free dual wavelength NDIR (non-dispersive infrared) CO2 sensor
							
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							Triple LCD simultaneously displays CO2, temperature and relative humidity
							
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							Measurement ranges: CO2-0 to 4,000ppm; temperature-32 to 122-Degrees F (0 to 50-Degrees C); humidity-10 to 90-percent RH
							
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