Extech RH390 Precision Psychrometer Temperature and Humidity Meter is a very accurate (2%) RH meter that also measure Temperature, Dew Point and Wet Bulb. Rubberized sides give better grip and a decreased likliness of slilpping out of your hand.
Proposition 65 Warning for California Residents: This product can expose you to chemicals including Benzene, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to 
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