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.

  • 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.

  • 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.

  • Digital Remote Sensor (DRS) Transmitter connects two pressure sensors, master (high-pressure side) and slave (low-pressure side) in a remote location, with DRS dedicated communication cable to measure differential pressure.

  • Diaphragm Seal System consists of differential pressure or gauge pressure transmitter with one or two diaphragm seal.

  • Absolute Pressure Diaphragm Seal System consists of absolute pressure transmitter with single diaphragm seal.

     

  • Direct Mounted Diaphragm Seal System consists of differential pressure transmitter with single direct mount diaphragm seal.

  • Direct Mounted Diaphragm Seal System consists of gauge pressure transmitter with single direct mount diaphragm seal.

Which Series is Right for You?

Refer to the General Specification sheet located under the 'Downloads' tab for detailed specifications.

  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 15 years  
± 0.1% of URL per 10 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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