WIKA GDT-20 Mode D'emploi page 44

5. Commissioning, operation / 6. Maintenance and cleaning
Reset to factory settings
Writing 0x0001 in register 203 causes the transmitter to be reset to its factory settings
and a software reset to be carried out. After this process, all writable registers are reset
to the initial setting.
EN
Start heating process (only model GDHT-20)
Writing 0x0001 in register 204 causes the humidity sensor to manually bake out. Model
GDHT-20 automatically heats in the interval of 30 minutes after completion of the last
heating process. For shorter or longer intervals, see manual definition of the heating
interval.
Manual definition of the heating interval
The model GDHT-20 can be designated with shorter or longer heating intervals. The
shortest intervals are 10, the longest intervals 255 minutes.
Heating frequency
P in W
3
0.5
6. Maintenance and cleaning
6.1 Maintenance
The transmitters are maintenance-free.
Repairs must only be carried out by the manufacturer.
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Heating cycle duration: max. 1 minute
30 60 90
WIKA operating instructions transmitter, models GDT-20 and GDHT-20
t in min
120