Model 230.15-851

Bourdon tube pressure gauge with switch contacts

UHP, stainless steel version, with reed contact

Selected documents
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  • For gaseous and liquid, also aggressive media for demanding high purity applications, also in aggressive ambience
  • Suitable for all UHP (Ultra High Purity) applications
  • Semiconductor and flat panel industry
  • Gas distribution systems, medical gases
  • Hook-up application

Special Features

  • Built-in electrical switch contact (reed contact)
  • VCR® compatible pressure connection threads
  • Helium leak tested
  • Electropolished case
  • Process connection surface finish Ra ≤ 0.25 μm


Nominal size

Accuracy class
Grade A to ASME B40.1

Scale ranges
0 ... 4 to 0 ... 400 bar (0 ... 60 to 0 ... 6000 psi)
or all other equivalent vacuum or combined pressure and vacuum ranges

Pressure limitation
Steady: 3/4 x full scale value
Short time: full scale value

Operating temperature
Ambient: -20 ... +60 °C
Medium: +100 °C maximum

Temperature effect
When the temperature of the measuring system deviates from the reference temperature (+20 °C):
max. ±0.4 %/10 K of full scale value

Ingress protection
IP 54 per EN 60529 / lEC 529

Standard version

Process connection
Stainless steel 316L, lower mount (LM) or back mount,
VCR® compatible threaded connection optionally:

  • with union nut (female)
  • with male nut
  • or with male thread 9/16-18 UNF fixed

Male thread ¼ NPT

VCR® is a registered trademark of Swagelok

Bourdon tube pressure gauge with switch contacts
  • Bourdon tube pressure gauge with switch contacts