ĐỒNG HỒ ĐO ÁP SUẤT WISE P843

P840 series are specially designed for the ultra-high purity gas distribution system used in a semiconductor, electronic, medical, biotechnology and pharmaceutical industry.

Nominal diameter: 50 mm (2")

Switch point accuracy: ±2.0 % of full scale

Scale range: 0 ~ 28 MPa

Working pressure

Steady pressure : 75 % of full scale value

Fluctuating pressure : 67 % of full scale value

Working temperature

Ambient : -20 ~ 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

Standard features

Mechanical

Pressure connection

Type 316L SS 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

Pointer: Black painted aluminium alloy

Dial:

White PVC, with pointer stop pin

With black/red lettering, dual pressure scale (bar)

Helium leak rate: Tested to confirm leakage rates of less than 10 -9 mbar • ℓ/sec