The RH300 Hygro-Thermometer Psychrometer is used for Humidity, Wet bulb, Dew Point, Air Temperature and has an External Probe for Temperature measurements. It is a compact meter that is ideal for field use, and simultaneously displays relative humidity (10% to 90% RH), air temperature and dew point or wet bulb.
|Specifications||Ranges||Max Resolution||Basic Accuracy|
|Humidity:||10 to 90%RH||0.1%RH||±3%RH|
|Temperature (internal):||-4 to 122°F (-20 to 50°C)||0.1°||±1.8°F or ±1°C|
|Temperature (external):||-4 to 158°F (-20 to 70°C)||0.1°||±1.8°F or ±1°C|
|Dew Point:||-90.4 to 122°F (-68.0 to 49.9°C)|
|Wet Bulb:||-6.9 to 122°F (-21.6 to 49.9°C)|
|Dimensions:||7 x 1.9 x 1" (178.5 x 48.4 x 24.7mm)|