... Ultransonic heat meter1,Adopting forging process for pipeline2,Forged brass or iron for material3,Ultransonic channel have no reflection ... by impurities,chemicals and magnetic material,stable operation.5,Measuring device have no motion parts and no brasion.It iwon ... more accuracy.8,Convenience installation,horizonal or vertical installation,for optionIII Performance featuresFlow range1.5~3.5m3/h ...