ĐỒNG HỒ ĐO ÁP SUẤT WISE P820

Nominal diameter: 50 (2") and 63 mm (2½")
Accuracy:
      Grade A (ASME B40.1): 50 (2") and 63 mm (2½")
      Grade B (ASME B40.1): 50 (2") and 63 mm (2½")
Scale range: -0.1 ~ 0 to 0 ~ 28 Mpa
Working pressure:
      Steady pressure: 75 % of full scale value
      Fluctuating pressure: 67 % of full scale value
Working temperature:
      Ambient: -40 ~ 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
Pressure connection: Type 316L SS double melt 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
Dial:
      White aluminium with pointer stop pin
      With black/red lettering, dual pressure scale (bar/psi)
Pointer: Black painted aluminium alloy
Helium leak rate: Tested to confirm leakage rates of less than 10 mbar • ℓ /sec
Certificates: ATEX Ex II GD c IIC TX