... 4-20mADC 2>Hi-accuracy popularly Gas flow meter is a high accuracy flow sensor.Several output and display methods canbe ... calibrated::±0.5%3.Low velocity min.velocity of flow:less than 1.5m/s4.Compensation with temperture and ... ,100,150,200,250,300mm.Specification:DN(mm)Normal Flow Range(Nm3/h)PN(mPa)Pressure loss(kPa)Error ... temperature: -20~50 Degree CentigradeHumidity:Less than 95%. Gas Flow meter