... output .CE,ROH KH130 Digital baragraph PID process controller, process indicatorFeatures SMT technology, advanced Modular Structure, flexible ... default is heat, adjustable.Control Time : 1-240SProportional Band(P): 1-9999Integrated Time(I) : 1-3600S Derivative Time(D ... and quality bargraph liquid level controller, liquid level indicator, level meter, level controller, bargraph indicator KH130 Bargraph ...