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P820 ULTRA HIGH PURITY PRESSURE GAUGE

P820 Product image may differ from original
Manufacturer WISE-CONTROL

P820 series are specially designed for the ultra-high purity gas distribution system used in a semiconductor, electronic, medical, biotechnology and pharmaceutical industry.


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P820 series are specially designed for the ultra-high purity gas distribution system used in a semiconductor, electronic, medical, biotechnology and pharmaceutical industry.

Nominal diameter50 (2") and 63 mm (2½")
AccuracyGrade 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 pressureSteady pressure : 75 % of full scale value
Fluctuating pressure : 67 % of full scale value
Working temperatureAmbient : -40 ~ 65 °C
Fluid : Max. 100 °C
Temperature effectAccuracy at temperature above and below the reference temperature (20 ℃) will be effected by approximately
±0.4 % per 10 ℃ of full scale
Pressure connectionType 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
ElementType 316L SS
<6 MPa : C-type bourdon tube
≥6 MPa : Helical type bourdon tube
CaseType 304SS, Electropolished with pressure relief
Cover and windowTwist-lock polycarbonate
MovementStainless steel
DialWhite aluminium with pointer stop pin
With black/red lettering, dual pressure scale (bar/psi)
PointerBlack painted aluminium alloy
Helium leak rateTested to confirm leakage rates of less than
10 mbar • ℓ/sec
CertificatesATEX Ex II GD c IIC TX
ManufacturerWise Control Inc.

Datasheet: P820.pdf

All features and specifications subject to change without notice, delivery subject to availability, correction of errors and omissions excepted.

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