WISE(P221 / P253)


Description

The differential pressure transmitters of the 984M series are used to measure differential pressure, overpressure and vacuum.


Product Information
    Service intended
    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
    • 40mm : ±3.0% of full scale
    • 50mm : ±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
    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
    ⅛", ¼" PT, NPT and PF
    Optional
    Window : Safety glass