The pressure relay sensor is a differential pressure type instrument. When the detected medium pressure reaches the set limit value, the relay triggers the self-control actuator to actuate, achieving the purpose of protecting the equipment.

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Through mechanical structure design, the sensor is protected from interference by electromagnetic signals and has a strong ability to resist electromagnetic interference.

The sensor has strong corrosion resistance and can withstand the corrosion of hydrofluoric acid as well as strong acids and alkalis.