This simple wall, or in some cases, flowmeter mounted instrument provides an analogue output proportional to flow. Three basic models are available offering 0/4 to 20 milliamp, 0 to 5 volt and 0 to 10 volt outputs. In all cases the offset and full scale adjustments are independent of each other.
PMI falls as manufacturers feel the squeeze
17 months or two and a half years - which is it?