Extech - RH490 Precision Hygro-Thermometer UM042_UVZ35

Product details:

The Extech by FLIR precision hygro-thermometer captures dew point, wet bulb, temperature and water vapor levels (grams per kilogram and grains per pound). This tool will store max. and min. readings until the memory is cleared and includes a data-hold button for rapidly fluctuating measurements. Anyone whose job relies on calculating humidity levels will appreciate the Extech Hygro-Psychrometer.