D1
Heating cables
Protective tube
Ground plate in case of soft foundation (e.g. sand)
D2
Heating cables
Protective tube
Ground plate in case of soft foundation (e.g. sand)
D3
min. 5 cm
Sensor surface level with open area
Sensor
Sensor
Sensor surface level with open area
Sensor
Heating cables
Heating cables
Protective tube
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