Euro gauge Safety pattern type pressure gauge
(Đồng hồ áp suất P257 inox toàn bộ, chuẩn CE Châu Âu, loại Safety pattern)
Model : P257 series
(Dòng: P257)
 
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.
 
(Đồng hồ áp suất P257 kết hợp dầu glycerin thích hợp dùng trong các ứng dụng đo áp suất thay đổi cường độ cao hoặc rung động mạnh. Đồng hồ áp suất P257 có thể dùng để đo áp suất các lưu chất ăn mòn cao, khí, ga, hay chất lỏng mà vật liệu inox 316SS có thể chống chịu được. Ứng dụng của đồng hồ áp suất P257 được dùng rộng tải trong nhiều ngành công nghiệp nặng như hóa chất, lọc hóa dầu, thép, xi măng, thực phẩm ....) 
 
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
 
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 (2014/68/EU)-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)
 
 
Download:  CATALOG