... .1%frequency signal1 to 9999HzoptionalOCT outputpulse signalpositivenegativepulse of net curriculum flow, output from relay.Alarm signal OCT output from ... interfaceRS232/RS485l Other functionit has the memory of the curriculum flow in the past 64 days, past 64 months ... normal according to the memory of last 64 days curriculum flow. Programmable quantitative controller.Fault self-diagnosis function.Web ...