EXTECH Digital Psychrometer

One Instrument Measures Web Bulb, Dew Point and Temperature

Simultaneously displays %RH, temperature as well as dew point, web bulb or probe temperature. Specifications: Calculates T1-T2 differential with Thermistor Temperature Probe (sold separately below). Simply twist sensor cap for protection in storage. Data hold maintains current reading on display. Features maximum/minimum readings and auto power-off. The Digital Psychrometer includes two AAA batteries. Digital Psychrometer Kit includes the digital psychrometer, thermistor temperature probe, 33 and 75% calibration bottles and a carrying case.