Ultrasonic heat meter 1,Adopting forging process for the pipeline. 2,Setup MBUS, connect to GPRS 3,No require water quality Ultransonic heat ... channel have no reflection surface so it won't stop water flow4,Conplelty not affected by impurities,chemicals and magnetic material ... 225-2001.Setup MBUS, connect to GPRS Factory price of Ultrasonic heat meter