Extech RH300 Hygro-Thermometer Psychrometer

Humidity, Wet bulb, Dew Point, Air Temperature plus External Probe Temperature measurements

The Extech RH300 is a compact meter that is ideal for field applications. Simultaneously displays relative humidity (10% to 90% RH), air temperature and dew point or wet bulb.

Calculates T1-T2 differential (air temperature minus external probe temperature) using optional probe (TP890), and T2 minus dew point.

Built-in protective sensor cap. Other features include Data Hold, Auto Power Off, and MAX/MIN reading. Complete with 2 AAA batteries.

    Extech RH390 Datasheet

    Extech RH300 User Manual

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