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Absolute Gauge (APCh)

Case Study

Absolute Gauge (APCh)

Applicable Industries: Energy, Chemistry & Petrochemical, Semiconductor Industry

Absolute pressure gauges are suitable for the measurement of liquids and gases, and with open flanges they are also suitable for the measurement of viscous, solid-containing media. Often it is aggressive media that put further requirements on our instruments, respectively the wetted parts.

As an addition to our absolute pressure gauge APCh (data sheet 3901) we have checked the possibility of supplying absolute pressure gauges with wetted parts made from Monel metal upon customer request. Monel metal is considered to be very resistant against corrosion, many acids and especially Fluorine F2. Even if you require special materials, please contact us so we can align all of the details of your special application. Absolute Pressure Gauge with Monel Wetted Parts


  • Wetted parts from Monel metal, others (like Hastelloy) available upon request
  • Helium lead detection up to 10-9 mbar l/s
  • All connections welded, no leakage spots

Technical Data



Nominal case size in mm

Accuracy class

Pressure ranges

Wetted parts

Process Connection


Absolute pressure gauge

Bayonet ring case stainless steel

100, 160 (4” , 6”)


0-25 mbar absolute to 25 bar absolute

Monel metal

G ½ B ( ½ BSP)

Flange connection

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