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Absolute Pressure

Absolute pressure (AP) transmitter measure relative to perfect (full) vacuum pressure; therefore, AP transmitters are not affected by fluctuations in the local atmospheric pressure. All absolute pressure measurements are positive. The letter ‘a’ or the abbreviation ‘abs’ in the unit of measure indicates an absolute pressure measurement.

Featured Solutions

  • EJA130E

    The EJA310E is a traditional-mount absolute pressure transmitter and is part of the most recent evolution of the DPharp family, the EJA-E series. It features a single crystal silicon resonant sensor and is suitable to measure liquid, gas, or steam pressure. The EJA310E outputs a 4 to 20 mA DC signal corresponding to the measured pressure. It also features quick response, remote setup and monitoring via BRAIN or HART communications and self-diagnostics.

    EJA310E standard features include:

    •  ± 0.1% Accuracy
    • ± 0.2% Stability for 10 years
    • 90 ms Response Time
    • Exida and TUV SIL 2/3 Certified
    • 3,600 psia Maximum Over Pressure (MWP)
    • Local Parameter Setting (LPS)

    DIGITAL PERFORMANCE

    Installed performance 2x better using all digital DPharp pressure sensor.

    Yokogawa’s digital sensor provides superior performance and stability compared to analog sensors.

    LOCAL INDICATOR

    Easy to read indicator provides all the information you need.

    STANDARD DIAGNOSTICS

    Reduce unscheduled maintenance by 60%

    Over 40 diagnostics to ensure everything is OK. Active Sensor Technology monitors the DPharp sensor while the Patented Back-check Technology is reverse checking all calculations in real-time.

    ADVANCED DIAGNOSTICS

    Reduce unscheduled maintenance by 60%.

    Predictive impulse line blocking and stream tracing diagnostics lets you see problems before they happen.

    RUGGED CONSTRUCTION

    Reduce failures in the field by 200%.

    INHERENTLY SAFE

    Save up to 10% on CAPEX spending.

    ACTIVE SENSOR TECHNOLOGY

    Unlike other sensor technologies, the active DPharp sensor constantly produces a signal even if there is no change in the process. This signal is continually monitored by the CPU.

    EXTENDED CALIBRATION INTERVALS

    Reduce maintenance cost by 33%.

    Improved long-term stability extends calibration intervals. Spend your time where it is needed.

    MULTIPLE COMMUNICATION OPTIONS

    FieldMate PC based communication platform allows management of your entire instrument inventory.

    FieldMate HHC allows you to take that information into the field.

    LPS can update 9 parameters in the field without the use of an HHC.

    SIMPLE TROUBLESHOOTING

    Local intuitive display with simple error messaging.

    NE107 compliant alarms in FieldMate make troubleshooting easy.

    Learn about Absolute Pressure Transmitters at BBP.

    DOWNLOAD BROCHURE
  • EJA510E

    The EJA510E is an_in-line mount absolute pressure transmitter and is part of the most recent evolution of the DPharp family, the EJA-E series. It_features a single crystal silicon resonant sensor and_is_suitable to measure liquid, gas, or steam pressure. The EJA510E outputs a 4 to 20 mA DC signal corresponding to the measured pressure. It also features quick response, remote setup and monitoring via BRAIN or HART communications and self diagnostics.

    EJA510E features include:

    • ± 0.055% Accuracy (0.04% Accuracy optional)
    • ± 0.2% Stability per 10 years
    • 90 ms Response Time
    • Exida and TUV SIL 2/3 Certified
    • 8,700 psia Maximum Over Pressure
    • Local Parameter Setting (LPS)

    DIGITAL PERFORMANCE

    Installed performance 2x better using all digital DPharp pressure sensor.

    Yokogawa’s digital sensor provides superior performance and stability compared to analog sensors.

    LOCAL INDICATOR

    Easy to read indicator provides all the information you need.

    STANDARD DIAGNOSTICS

    Reduce unscheduled maintenance by 60%

    Over 40 diagnostics to ensure everything is OK. Active Sensor Technology monitors the DPharp sensor while the Patented Back-check Technology is reverse checking all calculations in real-time.

    ADVANCED DIAGNOSTICS

    Reduce unscheduled maintenance by 60%.

    Predictive impulse line blocking and stream tracing diagnostics lets you see problems before they happen.

    RUGGED CONSTRUCTION

    Reduce failures in the field by 200%.

    INHERENTLY SAFE

    Save up to 10% on CAPEX spending.

    ACTIVE SENSOR TECHNOLOGY

    Unlike other sensor technologies, the active DPharp sensor constantly produces a signal even if there is no change in the process. This signal is continually monitored by the CPU.

    EXTENDED CALIBRATION INTERVALS

    Reduce maintenance cost by 33%.

    Improved long-term stability extends calibration intervals. Spend your time where it is needed.

    MULTIPLE COMMUNICATION OPTIONS

    FieldMate PC based communication platform allows management of your entire instrument inventory.

    FieldMate HHC allows you to take that information into the field.

    LPS can update 9 parameters in the field without the use of an HHC.

    SIMPLE TROUBLESHOOTING

    Local intuitive display with simple error messaging.

    NE107 compliant alarms in FieldMate make troubleshooting easy.

    Learn about Absolute Pressure Transmitters at BBP.

    DOWNLOAD BROCHURE
  • EJX310A

    The EJX310A is a traditional-mount absolute pressure transmitter and is part of the EJX-A series. It features a single crystal silicon resonant sensor and is suitable to measure liquid, gas, or steam pressure. The EJX310A outputs a 4 to 20 mA DC signal corresponding to the measured pressure. It also features quick response, remote setup and monitoring via BRAIN or HART communications, and diagnostics.

    The EJX310A is the traditional-mount Absolute Pressure Transmitter in the series.

    EJX310A features include:

    • ± 0.075% Accuracy
    • ± 0.2% per 15 years Stability
    • 90 ms Response Time
    • Exida and TUV SIL 2/3 Certification
    • LPS (Local Parameter Setting)

    Digital Performance

    Installed performance 2x better using all digital DPharp pressure sensor.

    Yokogawa’s digital sensor provides superior performance and stability compared to analog sensors.

    Local Indicator

    Easy to read indicator provides all the information you need.

    Standard Diagnostics

    Reduce unscheduled maintenance by 60%

    Over 40 diagnostics to ensure everything is OK. Active Sensor Technology monitors the DPharp sensor while the Patented Back-check Technology is reverse checking all calculations in real-time.

    Advanced Diagnostics

    Reduce unscheduled maintenance by 60%.

    Predictive impulse line blocking and stream tracing diagnostics lets you see problems before they happen.

    Rugged Construction

    Reduce failures in the field by 200%.

    Inherently Safe

    Save up to 10% on CAPEX spending.

    Active Sensor Technology

    Unlike other sensor technologies, the active DPharp sensor constantly produces a signal even if there is no change in the process. This signal is continually monitored by the CPU.

    Extended Calibration Intervals

    Reduce maintenance cost by 33%.

    Improved long-term stability extends calibration intervals. Spend your time where it is needed.

    Multiple Communication Options

    FieldMate PC based communication platform allows management of your entire instrument inventory.

    FieldMate HHC allows you to take that information into the field.

    LPS can update 9 parameters in the field without the use of an HHC.

    Simple Troubleshooting

    Local intuitive display with simple error messaging.

    NE107 compliant alarms in FieldMate make troubleshooting easy.

    Learn about Absolute Pressure Transmitters at BBP.

    DOWNLOAD BROCHURE
  • EJX510A

    The EJX510A is an_in-line mount absolute pressure transmitter with remote diaphragm seals and is part of the_EJX-A series. It_feature a single crystal silicon resonant sensor and is_suitable to measure liquid, gas, or steam pressure. The EJX510A outputs a 4 to 20 mA DC signal corresponding to the measured pressure. It also features quick response, remote setup and monitoring via BRAIN or HART communications, diagnostics, and optional status output for pressure high/low alarm.

    The EJX510A is the In-Line mount Absolute Pressure Transmitter in the series.

    EJX510A features include:

    • ± 0.04% Accuracy
    • ± 0.2% per 15 years Stability
    • 90 ms Response Time
    • 10,800 psig Maximum Over Pressure
    • Exida and TUV SIL 2/3 Certified
    • Local Parameter Setting (LPS)

    Digital Performance

    Installed performance 2x better using all digital DPharp pressure sensor.

    Local Indicator

    Easy to read indicator provides all the information you need.

    Standard Diagnostics

    Reduce unscheduled maintenance by 60%

    Over 40 diagnostics to ensure everything is OK. Active Sensor Technology monitors the DPharp sensor while the Patented Back-check Technology is reverse checking all calculations in real-time.

    Advanced Diagnostics

    Reduce unscheduled maintenance by 60%.

    Predictive impulse line blocking and stream tracing diagnostics lets you see problems before they happen.

    Rugged Construction

    Reduce failures in the field by 200%.

    Inherently Safe

    Save up to 10% on CAPEX spending.

    All Yokogawa pressure transmitters are certified to meet IEC61508 for single use in SIL 2 applications or dual use in SIL 3 applications as a standard. No special option needed! To Yokogawa, safety should never be an option.

    Extended Calibration Intervals

    Reduce maintenance cost by 33%.

    Improved long-term stability extends calibration intervals.

    Multiple Communication Options

    FieldMate PC based communication platform allows management of your entire instrument inventory.

    FieldMate HHC allows you to take that information into the field.

    LPS can update 9 parameters in the field without the use of an HHC.

    Simple Troubleshooting

    Local intuitive display with simple error messaging.

    NE107 compliant alarms in FieldMate make troubleshooting easy.

    Learn about Absolute Pressure Transmitters at BBP.

    DOWNLOAD BROCHURE
  • EJX510A

    The EJX610A is a high performance, in-line mount absolute pressure transmitter and is part of the EJX-A series._feature single crystal silicon resonant sensor and are suitable to measure liquid, gas, or steam pressure. The EJX610A outputs a 4 to 20 mA DC signal corresponding to the measured pressure. It also features quick response, remote setup and monitoring via BRAIN or HART communications, diagnostics, and optional status output for pressure high/low alarm.

    PERFORMANCE SPECIFICATIONS
    Zero-based calibrated span, linear output, wetted
    parts material code ‘S’ and silicone oil, unless
    otherwise mentioned.
    For Fieldbus and PROFIBUS PA communication
    types, use calibrated range instead of span in the
    following specifications.
    Specification Conformance
    EJX series ensures specification conformance to at
    least ±3σ.
    Reference Accuracy of Calibrated Span
    (includes the effects of terminal-based linearity,
    hysteresis, and repeatability)

    Ambient Temperature Effects per 28°C (50°F)
    Change
    A capsule: ±(0.04% of Span + 0.075% of URL)
    B capsule: ±(0.04% of Span + 0.018% of URL)
    C and D capsule: ±(0.04% of Span + 0.009% of URL)
    Stability (All normal operating condition)
    EJX630A: ±0.1% of URL for 15 years
    EJX610A: ±0.2% of URL for 15 years
    Power Supply Effects
    ±0.005 % per Volt (from 21.6 to 32 V DC, 350Ω)
    Vibration Effects
    Amplifier housing code 1 and 3:
    Less than 0.1% of URL when tested per the
    requirements of IEC60770-1 field or pipeline
    with high vibration level (10-60 Hz, 0.21 mm
    displacement/60-2000 Hz 3 g)
    Amplifier housing code 2:
    Less than ±0.1% of URL when tested per the
    requirements of IEC60770-1 field with general
    application or pipeline with low vibration level (10-60
    Hz 0.15mm displacement /60-500 Hz 2g)
    Mounting Position Effects
    Rotation in diaphragm plane has no effect. Tilting
    up to 90 degree will cause zero shift up to 0.21 kPa
    (0.84 inH2O) which can be corrected by the zero
    adjustment.
    Response Time (All capsules)
    90 ms
    When software damping is set to zero and including
    dead time of 45 ms (nominal)

    Learn about Absolute Pressure Transmitters at BBP.

    DOWNLOAD BROCHURE

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