... high qualityStationary ultrasonic wave flowmeter ultrasonic flow meter ItemsPerformance / indexMainengineBacklit LCD display shows instantaneous flow and accumulated flow ,flowrate, time etc.PrincipleLow voltage, multi ... materialsSteel, stainless steel, cast iron, current pipe, copper, PVC, aluminum, glass steelIntern diameter20mm-6000mm.Straight pipelineUpstream 10D, downstream 5D, 30D away ...