The pressure in a liquid increases with increased filling height. This hydrostatic pressure is transmitted to the measuring cell via a stainless steel diaphragm. Foam, build-up, fluctuating electrical properties of the liquid and the container design do not affect the measurement values.
Operation mode
The fill level of a liquid can be determined by the hydrostatic pressure if the density is known. The piezoresistive measuring cell is coupled to the measuring liquid via a stainless steel isolation membrane and diaphragm seal.
The value of the measuring cell can be converted via a signal conditioner into one of the following output signals:
4 … 20 mA analog signal
4 … 20 mA analog signal with HART
PROFIBUS PA digital signal
Technology : hydrostatic
Medium : for liquids
Other characteristics : stainless steel
Process pressure : Min.:
Process temperature : Min.:
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