The Superheat Psychrometer RH350 allows for the display of three parameters: relative humidity with ambient air temperature, plus dew point or wet bulb or external temperature. Built-in memory allows for the storage of 99 data points. Minimum, maximum and average reading, with date and time, can be recalled on the LCD screen. The device comes packaged with two Type K bead-wire temperature probes and four AAA batteries.

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• Extech Instruments