ĐỒNG HỒ ĐO ÁP SUẤT WISE P221 P253

P221 and P253 series are suitable to be used in a corrosive environment, chemical, petro-chemical, refining facilities, power generation and marine and foods industry. Its stainless steel case and cover have a good appearance and an excellent protection against corrosion and chemical attack.
Nominal diameter: 40 and 50 mm
Accuracy:
      40 mm: ±3.0 % of full scale
      50 mm: ±1.5 % of full scale
Scale range (MPa, kPa, bar): 0 ~ 0.2, 0.3, 0.4, 0.6, 1, 1.5, 3.5 MPa
Working pressure:
      Steady: 75 % of full scale
      Over range protection: 130 % of full scale
Working temperature:
Ambient: 
      Model P221: -40 ~ 65 °C
      Model P253: -20 ~ 60 °C
Fluid: 
      Model P221: Max. 200 °C
      Model P253: Max. 60 °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:
      Model P221 : Stainless steel (316SS)
      Model P253 : Nickel plated brass
Element: C type bourdon tube
      Model P221 : Stainless steel (316SS)
      Model P253 : Brass
Case: Stainless steel (304SS)
Cover:
      40 mm: Stainless steel (304SS) and polycarbonate
      50 mm: Stainless steel (304SS)
Window: Polycarbonate (40 and 50 mm)
Movement:
      Model P221: Stainless steel
      Model P253: Brass
Dial: White aluminium with black graduations
Pointer: Black painted aluminium alloy
Process connection: 1/8", 1/4" PT, NPT and PF
Option:
Window: Safety glass with 304 stainless steel cover