Gas flow calibration system

pressuretemperaturefor flow meters

Critical flow venturi nozzle method gas flow standard device Category : Gas Solutions Device outflow coefficient expansion uncertainty of 0.25% (k = 2) Pipe diameter: DN15, 20, 25, 32, 40, 50, 65, 80, 100, 125, 150, 200, 300 Pressure transmitter accuracy:0.075%. Temperature transmitter accuracy:±0.2℃. Flow range: 1~6000m3/h Calibration medium: air. Using environment: Atmospheric pressure: 86～106kPa Ambient temperature: 0～50℃ Relative humidity: 40%～80%