ĐỒNG HỒ ĐO ÁP SUẤT WISE P820

Nominal diameter
50 (2") and 63 mm (2½")

Accuracy
Grade A (ASME B40.1): 50 (2") and 63 mm (2½")
Grade B (ASME B40.1): 50 (2") and 63 mm (2½")

Scale range
-0.1 ~ 0 to 0 ~ 28 Mpa

Working pressure
Steady pressure: 75 % of full scale value
Fluctuating pressure: 67 % of full scale value

Working temperature
Ambient: -40 ~ 65 °C
Fluid: Max. 100 °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
Type 316L SS double melt electropolished low mount or center back mount
surface finish Ra≤0.25㎛
¼" NPT male thread
VCR male or female face seal fitting

Element
Type 316L SS
<6 MPa: C-type bourdon tube
≥6 MPa: Helical type bourdon tube

Case
Type 304SS, Electropolished with pressure relief

Cover and window
Twist-lock polycarbonate

Movement
Stainless steel

Dial
White aluminium with pointer stop pin
With black/red lettering, dual pressure scale (bar/psi)

Pointer
Black painted aluminium alloy

Helium leak rate
Tested to confirm leakage rates of less than 10 mbar • ℓ /sec

Certificates
ATEX Ex II GD c IIC TX