Đồng hồ đo áp suất P820 series Wise Vietnam

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P820

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Korea

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Đại lý cung cấp Đồng hồ đo áp suất P820 series Wise tại Việt Nam

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Ultra high purity pressure gauge (EP grade)_P820 series (316L type double melt)

P820 series (316L type double melt)

Service intended

P820 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 (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

Standard features

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