... PL series Level Pressure Sensor1, PL series are level/flow sensor/transmitter,differential pressure transitter series,mainly measure liquid level, ... .5, Power supply: 12--36V DC, lead or air-plug style.. We can manufacture thousands of different models ... ,Timer,Timer Relay, Solid State Relay, Proximity Sensor, ,Pressure sensor ,load cell sensor, KNE KSC box, Rotary Encoder and computer integrated ...