ĐỒNG HỒ ĐO ÁP SUẤT WISE P841

P840 series are specially designed for the ultra-high purity gas distribution system used in a semiconductor, electronic, medical, biotechnology and pharmaceutical industry.
Nominal diameter: 50 mm (2")
Switch point accuracy: ±2.0 % of full scale
Scale range: 0 ~ 28 MPa
Working pressure:
      Steady pressure: 75 % of full scale value
      Fluctuating pressure: 67 % of full scale value
Working temperature:
      Ambient : -20 ~ 65 °C
Fluid: Max. 100 °C
Temperature effect: Accuracy at temperature above and below the reference temperature (20 ℃) will be effected by approximately ±0.4 % per 10 ℃ of full scale
Standard features
Pressure connection: Type 316L SS electropolished low mount or center back mount surface finish Ra≤0.25 ㎛
      1/4" NPT male thread
      VCR® male or female face seal fitting
Element: Type 316L SS
      <6 MPa : C-type bourdon tube
      ≥6 MPa : Helical type bourdon tube
Case: Type 304SS, Electropolished with pressure relief
Cover and window: Twist-lock polycarbonate
Movement: Stainless steel
Pointer: Black painted aluminium alloy
Dial:
      White PVC, with pointer stop pin
      With black/red lettering, dual pressure scale (bar)
Helium leak rate: Tested to confirm leakage rates of less than 10 -9 mbar • ℓ/sec