... , SSR,RS485 output .CE,ROH KH130 Digital baragraph PID process controller, process indicatorFeatures SMT technology, advanced Modular Structure, flexible to configuration ... /0.8A)SCR non-contract output: 100-240VAC/0.2A(continuous)SSR driving (12VDC/30mA )Current output: 4-20mA, 0- ... indicator, level meter, level controller, bargraph indicator KH130 Bargraph Digital Process Indicator Controller