ĐỒNG HỒ ĐO ÁP SUẤT WISE P257

Nominal diameter
63, 100 and 160 mm

Accuracy
P2572 (63 mm): ±1.6% of full scale
P2574 (100 mm) and P2576 (160 mm):

±0.5% of full scale
±1.0% of full scale

Scale range (MPa, kPa, bar)
63 mm: -0.1 ~ 0 to 0 ~ 100 MPa
100 and 160 mm: -0.1 ~ 0 to 0 ~ 200 Mpa

Working pressure
Steady: 75% of full scale (63 mm)
100% of full scale (100 and 160 mm)
Over range protection: 130% of full scale

Working temperature
Ambient: -40 ~ 65℃
-20 ~ 65℃ (With glycerin filling)
-40 ~ 65℃ (With silicone filling)
Fluid: Max. 200℃
Max. 100°C (With glycerin filling)
Max. 100℃ (With silicone filling)

Degree of protection
EN60529/IEC529/IP67
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
Stainless steel (316SS)

Element
Stainless steel (316SS)
63 mm:

<6 MPa: C type bourdon tube
≥6 MPa: Helical type bourdon tube
100 and 160 mm:

<10 MPa: C type bourdon tube
≥10 MPa: Helical type bourdon tube

Case
Stainless steel (304SS)

Cover
Stainless steel (304SS)
Bayonet type

Blowout protection
Solid front
Blow-out back

Window
Laminated safety glass

Movement
Stainless steel

Dial
White aluminium with black graduations
Pointer
Black painted aluminium alloy

Process connection
63 mm: ⅛", ¼" PT, NPT and PF
100 and 160 mm: ¼", ½", ⅜" PT, NPT and PF

Certificates
ATEX Ex II GD c IIc TX
Pressure equipment directive (97/23/EC) -
Annex III Module H
Option
Zero adjustable pointer (Only available with diameter 100 and 160 mm)
Zero adjustment (External) : 100 and 160 mm
Pressure connection and element : Monel (Only available with diameter 100 and 160 mm)