Amprobe TH-1 Compact Probe Style Relative Humidity Meter

Relative humidity (RH), temperature, wet bulb, and dew point meter is used for HVAC, indoor air quality, and environmental applications
Dual-scale thermometer measures wet- and dry-bulb temperature and dew point in F and C
Capacitive humidity sensor ranges from 0 to 100 percent relative humidity (RH)
Data hold for recording data, and minimum and maximum temperature readings
Protective cover over sensor
Power Consumption: <2.0mA
Sensor: Electronic Capacitance Polymer Film Sensor