Pressure transducers for measuring the air pressure difference, designed, among others, for recuperation, ventilation and air conditioning systems. The device consists of a printed circuit board mounted in a plastic housing, equipped with one or two pressure sensors, a microprocessor with software, electrical connectors, digital transmission module, and signaling diode. The housing of the transmitters is equipped with a damper and connection stubs; does not include display. Pressure transmitters measure differential pressure, calculate air flow and signal alarms. The measured value is converted into an analog 0-10 V signal or a digital signal in the RS-485 standard (Modbus RTU protocol) and sent to external (not subject to this decision) regulators of ventilation, recuperation or functionally similar devices. This data is used to evaluate the measurement of the air flow or the degree of contamination of the filters. The measuring ranges of the differential pressure, depending on the version, are: ± 500 Pa, ± 2500 Pa, ± 7000 Pa. Power supply 12-24 V AC / DC. Exemplary dimensions of the device (in mm): 70 x 50 x 37, 88 x 64 x 42. Weight 0.05 kg.
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[1][1]. PLBTIWIT-2022-000309#763001