Page 101 - 2019종합카다로그_Pressure gauge

Euro gauge
Safety pattern type pressure gauge
Model : P257 series

Spec. sheet no. PD02-12
Service intended
P257 series are made with a solid plate wall and a
blow-out back. Its stainless steel case and cover have a
good appearance. It has the excellent proof against
corrosion and chemical attack.
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
Standard features
Pressure connection Movement
Stainless steel (316SS) Stainless steel
Element Dial
Stainless steel (316SS) White aluminium with black graduations
63 mm : <6 MPa : C type bourdon tube Pointer
≥6 MPa : Helical type bourdon tube
100 and 160 mm : <10 MPa : C type bourdon tube Black painted aluminium alloy
≥10 MPa : Helical type bourdon tube Process connection
Case 63 mm : ⅛", ¼" PT, NPT and PF
Stainless steel (304SS) 100 and 160 mm : ¼", ½", ⅜" PT, NPT and PF
Cover Certificates
Stainless steel (304SS) ATEX Ex II GD c IIc TX
Bayonet type Pressure equipment directive (2014/68/EU)-Annex III Module H
Blowout protection
Solid front Option
Blow-out back Zero adjustable pointer
Window (Only available with diameter 100 and 160 mm)
Laminated safety glass Zero adjustment (External) : 100 and 160 mm
Pressure connection and element : Monel
(Only available with diameter 100 and 160 mm)
P257_01