... is compliant to Standard “JB/T 9248-1999 Electromagnetic Flow Meter”. 4.2Maximum flow speed: 15m/s 4.3DN size: ... 3, 6, 10, 15, 20, 25, 32, 40, 50, 65, 80, 100, 150, ... indicatorPower SupplyA single 3.6V Li-ion battery can work 6 years(Voltage is 2.6V when the normal ... work)other featuresWhen Measurement period is 3 seconds, the average ...