The Rotronic HF4 is a fixed installation humidity transmitter used in HVAC and light industrial applications. This transmitter can measure temperature and humidity, and can calculate dew/frost point, within range of 0 to 100 %RH and -58° to 212°F (-50° to 100°C).
There are two different versions of these transmitter: the duct version, and the wall version. Both of these transmitters have a 2 or 2 x 2-wire or 3/4 wire session power option.
This HF4 transmitter can be set to multiple settings and functions and can be configured with the ROTRONIC HW4 software.
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