: Bourdon Tube

Service intended

P239 test pressure gauges are designed to check the accuracy of pressure instruments. Its use expands to a laboratory instruments for research shops and test labs. External adjustable dial and zero adjustable pointers are available for some models. It is an excellent choice for the process applications where high accuracy is a must.

Nominal diameter	160 and 250 mm
Accuracy	±0.25 % of full scale
Scale range (MPa, kPa, bar)	0 ~ 60 kPa to 0 ~ 100 MPa
Working pressure	Steady : Full scale value
Working temperature	Ambient : -40 ~ 65 ℃ Medium : Max. 100 ℃
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) <100 bar : C type bourdon tube ≥100 bar : Helical type bourdon tube
Case	160 mm - Stainless steel (304SS) 250 mm - Black painted aluminium, Solid front
Cover	160 mm - Stainless steel (304SS), Bayonet type 250 mm - Black painted aluminium
Window	Safety glass
Movement	Brass
Dial	270° mirror band scale White aluminium with black graduations
Pointer	Black painted aluminium alloy
Zero adjustment	Internal (160 mm) External (250 mm)
Process connection	⅜", ½" PT, NPT and PF

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P239 Series_Euro gauge Test pressure gauge

P239 Series

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Bourdon Tube

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