... RS485 output .CE,ROH KH130 Digital baragraph PID process controller, process indicatorFeatures SMT technology, advanced Modular Structure, flexible ... 5VDC, 12VDC, 24VDC as auxiliary power supply for sensor Could select 4-20mA, 0-10mA current retransmission ... and quality bargraph liquid level controller, liquid level indicator, level meter, level controller, bargraph indicator KH130 Bargraph Digital ...