Gauge Pressure

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 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).

Example Industrial Applications: Open tank level, Line pressure, and Blanket pressure in a tank.

Yokogawa gauge pressure transmitters use digital DPharp sensor technology to get accurate, reliable readings to you quickly.

Which Series is Right for You?

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

  • Traditional-mount Gauge Pressure Transmitter based on the EJA-E series.

  • Traditional-mount Gauge Pressure Transmitter based on the EJX-A Series.

  • Gauge Pressure Transmitter with Remote Diaphragm Seal based on the EJA-E Series.

  • Gauge Pressure Transmitter with a Remote Diaphragm Seal based on the EJX-A Series.

  • Traditional-mount High Gauge Pressure Transmitter based on the EJA-E Series.

  • Traditional-mount High Gauge Pressure Transmitter based on the EJX-A Series.

  • In-Line Mount Gauge Pressure Transmitter based on the EJA-E Series.

  • In-Line Gauge Pressure Transmitter based on the EJX-A Series.

  • In-Line Mount High Performance Gauge Pressure Transmitter based on the EJX-A Series.

Which Series is Right for You?

  EJA-E Series EJX-A Series
EJA-E Series EJX-A Series
Accuracy
± 0.025%  
± 0.040%
± 0.055%  
Stability
± 0.1% of URL per 10 years  
± 0.1% of URL per 7 years  
Response Time
90 msec
Mounting
Traditional-mount
In-line Mount
Safety
FMEDA Report
IEC 61508 Certified (SIL 2)
Specification Conformance
±3σ

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