
HM4 Humidity and Temperature Probe with
Heated Sensor
© 2014; ROTRONIC AG E-M-HM4-V0_08
4.2 Factory Defaults
All factory defaults and functions of the HygroMet4 are described below. The HW4 software (V3.4.0 or higher)
is needed to change them. The following connection cable is needed: AC3010-T (for probe with Tuchel
connector) or AC3010 (for probe with open ends).
Unit of measurement (Metric / English)
Psychrometric calculations
3-point humidity adjustment, 1-point temperature adjustment
Measured value limitation at 100 %RH
Measured value alarm, invalid measured
value
Sensor heating (RoHumiHeat)
Sensor cleaning (RoHumiClean)
See the manual E-T-AC3000-DF-V1 for a detailed description of all AirChip3000 functions.
All configurations of the HM4 with the software are described in the following manuals:
E-M-HW4v3-F2-023, E-M-HW4v3-Main (points 6.4, 7.5 and 11.2.2), E-M-HW4v3-A2-001
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