Sensor with compressing construction for assembly at places with low compacting pressure, measuring range: 10 to 55% water content (represents 120% wood moisture), resolution 0.5 %, temperature measuring range –10 to +70“C, temperature range for determination of water content 0 to +70°C, required minimum compacting pressure 20N/dm², also applicable for wood shavings, chopped straw and miscanthus (further materials on request), 5 meter long cable.