EXTECH RH300: Digital Psychrometer Humidity (RH) Air Temperature, Dew Point

Amprobe THWD-3 Relative Humidity Temperature Meter Psychrometer Dew Point WB

Extech Instruments Psychrometer RH300

Extech Precision Digital Psychrometer RH390 Temperature & Humidity

Amprobe THWD-10W Wireless Temperature Relative Humidity Meter (used once)

SUPCO - DSP 1000 - DIGITAL PSYCHROMETER - TEMP & HUMIDITY METER & WBT DEW POINT

Sling Psychrometer, Whirling Hygrometer, for Measuring Dry and Wet Conditions,

Digital Temperature & Humidity Meter with Adjustable LCD - 2-in-1 Psychrometer