Transducers for flow or batch control may put out a pulsed / AC signal or a conditioned analog signal such as 0-1 mA, 4-20 mA or 0-10 V. Laurel offers digital panel meters for all signal types normally associated with flow meters, with scaling to display in engineering units, such as Gallons, GPM, or liters/sec. Flow meter capabilities include square root extraction for use with differential pressure flow meters, custom curve linearization, rate from successive readings, totalizing from rate signals, analog outputs tied to the reading, and relay outputs for alarm or control.
Flow meter readout for flow rate or totalized flow is a major application of Laureate panel meters and counters. The Laureate Model FR dual-channel pulse input counters can display flow rate, totalized flow, the ratio of two flows, or the ratio of two totals to control mixing. It can also display the sum of two flows (for total flow) or the difference of two flows (for net flow). The Laureate Model VF can display flow rate or totalized flow for 4-20 mA, 0-1 mA or 0-10 V analog signals.