FIELD: measuring equipment.
SUBSTANCE: each grain tank contains a data acquisition unit connected to a plurality of capacitive humidity measurement cables, wherein each comprises a plurality of sensor assemblies disposed along it in steps. Each sensor assembly comprises a pair of longitudinally extending capacitive plates of a capacitive humidity measurement sensor arranged in parallel and spaced apart to form a gap extending longitudinally between the capacitive plates. In the longitudinal gap between the capacitive plates circuit board is placed containing a microprocessor, memory and a temperature sensor. The outer housing provides a hermetic enclosure located around the circuit board, capacitive plates and a longitudinal section of humidity measurement cable that passes through the holes in each longitudinal end of the housing and condenses them.
EFFECT: reducing the measurement error.
20 cl, 14 dwg
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