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: ⅛", ¼" PT, NPT and PF

Option

Window : Safety glass with 304 stainless steel cover