Gauge Pressure

Yokogawa gauge pressure solutions include traditional mount and in-line mount transmitters, all featuring Yokogawa DPharp technology to deliver accurate, repeatable, and fast-responding gauge pressure measurements.

What is a Gauge Pressure Transmitter?

A gauge pressure (GP) transmitter compares a process pressure against local ambient air pressure. Gauge pressure transmitters have ports to sample the ambient air pressure in real-time.

Today’s highly accurate gauge pressure transmitters can be affected by fluctuations in the local ambient pressure. Measurements above the ambient air pressure are represented as a positive number, while a negative number represents measurements below ambient. A gauge pressure measurement is indicated by the letter ‘g’ following the unit of measure of the reading (i.e., inH₂O(g) or psig).

Common Industrial Applications

  • Open tank level
  • Line pressure in a pipe
  • Blanket pressure in a tank

Which Series is Right for You?

Click the 'Details' tab above for a comparison of the different models available.

  • In-Line Mount Gauge Pressure Transmitter

    • Accuracy: ± 0.055% of Span
    • Stability: ± 0.1% of URL per 10 years
    • MWP: 7,200 psi
    • Accuracy: ± 0.04% of Span
    • Stability: ± 0.1% of URL per 15 years
    • MWP: 7200 psi
    • Accuracy: ± 0.04% of Span
    • Stability: ± 0.1% of URL per 15 years
    • MWP: 10,150 psi
  • Traditional-mount Gauge Pressure Transmitter

    • Accuracy: ± 0.055% of Span
    • Stability: ± 0.1% of URL per 10 years
    • MWP: 2300 psi
    • Accuracy: ± 0.04% of Span
    • Stability: ± 0.1% of URL per 15 years
    • MWP: 3600 psi
  • Gauge Pressure Transmitter with Remote Diaphragm Seal

    • Accuracy: ± 0.2% of Span
    • Response Time: 200 msec
    • MWP: Up to flange limit
  • Gauge Pressure Transmitter with Remote Diaphragm Seal

    • Accuracy: ± 0.15% of Span
    • Response Time: 200 msec
    • MWP: Up to flange limit
    • Accuracy: ± 0.055% of Span
    • Stability: ± 0.1% of URL per 10 years
    • MWP: 7200 psi
    • Accuracy: ± 0.04% of Span
    • Stability: ± 0.1% of URL per 15 years
    • MWP: 7200 psi

Which Series is Right for You?

  EJX-A Series EJX-A Series
EJA-E Series EJX-A Series
Accuracy
± 0.025%  
± 0.040%
± 0.055%  
Stability
± 0.1% of URL per 15 years  
± 0.1% of URL per 10 years  
Response Time
90 msec
Safety
FMEDA Report
IEC 61508 Certified (SIL 2)
Specification Conformance
±3σ

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