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EJA120E-JES5J-917DB

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Yokogawa EJA120E-JES5J-917DB is a low-draft differential-pressure configuration with HART communication and cover-flange pressure ports for low-draft monitoring in combustion, ventilation and air-handling systems.
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Technical specifications for EJA120E-JES5J-917DB

  • Manufacturer:
    Yokogawa
  • Part Number:
    EJA120E-JES5J-917DB
  • Product Family:
    Yokogawa DCS system
  • Product Type:
    Draft-Range Differential Pressure Transmitter
  • Stock:
    1
  • Measurement / Function:
    very low differential or draft pressure
  • Output / Command Signal:
    4–20 mA DC with digital communication
  • Communication / Control Interface:
    HART 5/HART 7 protocol
  • Selected Span / Torque Class:
    0.1 to 1 kPa (0.4 to 4 inH2O)
  • Configurable Range / Travel:
    -1 to 1 kPa (-4 to 4 inH2O)
  • Process / Pneumatic Connection:
    1/4 NPT female cover-flange pressure ports without separate process connectors
  • Wetted / Service Materials:
    S-code wetted assembly with Hastelloy C-276 diaphragm
  • Bolting / Mechanical Interface:
    B7 carbon steel bolts and nuts
  • Installation Arrangement:
    Horizontal piping with left-side high pressure
  • Housing:
    Cast aluminum amplifier housing
  • Electrical Connection:
    1/2 NPT female, two entries with blind plug
  • Local Indicator:
    Digital indicator
  • Mounting Hardware:
    304 SST flat 2-inch pipe bracket
  • Ordering Options:
    No additional option suffix is included in this order code.
  • Degree of Protection:
    IP66/IP67, Type 4X
  • Ambient Conditions:
    -40 to 85°C (-40 to 185°F), or -30 to 80°C with LCD
  • Process / Service Temperature:
    -40 to 120°C (-40 to 248°F)
  • Communication Load / I/O:
    a total loop-load range of 0 to 1290 Ω, with 250 to 600 Ω required for digital communication
  • Stability / Control Performance:
    Stability ±0.3% of URL per year
  • Manufacturer Reference:
    Yokogawa GS 01C31B03-01EN
  • Tariff Code:
    9026201090
  • Place of shipment:
    Xiamen,Fujian,China
By purchasing this item, you agree to the Terms & Conditions, ApterPower is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All our products come with ApterPower's 1-year warranty.

More Information

Overview Manuals Applications Programming Integration Standards

Features:

  • The standard low-draft horizontal-piping configuration uses the 0.1 to 1 kPa (0.4 to 4 inH2O) capsule, horizontal piping with left-side high pressure and 1/2 NPT female, two entries with blind plug.
  • The standard low-draft horizontal-piping configuration provides 4–20 mA DC with digital communication through HART 5/HART 7 protocol, with digital indicator.
  • The standard low-draft horizontal-piping configuration combines 1/4 NPT female cover-flange pressure ports without separate process connectors, S-code wetted assembly with Hastelloy C-276 diaphragm and 304 SST flat 2-inch pipe bracket.
EJA120E-JES5J-917DB is the complete ordering identity for the configuration defined by the 0.1 to 1 kPa draft capsule, no process connectors and the standard approval configuration.

It resolves very low differential pressure for draft, airflow or filter-monitoring duties and supports remote setup through HART 5/HART 7 protocol.

Before commissioning, verify draft capsule, high-pressure-side orientation or intrinsic-safety suffix against the installed equipment and project documentation.

Availability is subject to Apter Power inventory and sourcing confirmation.
Verified resources for Yokogawa EJA120E-JES5J-917DB:Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.
  • The standard low-draft horizontal-piping configuration monitors furnace, duct or air-handling draft where a very low differential-pressure capsule is required.
  • The standard low-draft horizontal-piping configuration supports clean-room, filter or fan supervision when the impulse-line design protects the low-pressure measurement.
  • The standard low-draft horizontal-piping configuration provides draft feedback to combustion, ventilation or environmental control systems through a compatible host.
  • Commissioning parameters include range endpoints, output mode, damping, tag data and diagnostic alarm behavior.
  • Write access must be controlled through the installed HART 5/HART 7 protocol host before the instrument is returned to service.
  • A saved parameter record should reflect the horizontal piping with left-side high pressure and the 1/4 NPT female cover-flange pressure ports without separate process connectors.
  • The process assembly combines a 0.1 to 1 kPa (0.4 to 4 inH2O) capsule, 1/4 NPT female cover-flange pressure ports without separate process connectors and S-code wetted assembly with Hastelloy C-276 diaphragm for the stated service.
  • The control-system interface is 4–20 mA DC with HART 5/HART 7 digital communication, using a total loop-load range of 0 to 1290 Ω, with 250 to 600 Ω required for digital communication.
  • Engineering units, damping and alarm direction must match the receiving system database before handover.
  • Applicable family standards include EN 61326 EMC, EN 61010 safety and EN IEC 63000 RoHS documentation.
  • The IP66/IP67, Type 4X enclosure classification assumes the official cover, plug and cable-entry installation practices.
  • Process-pressure work must follow the site's piping code together with Yokogawa's limits for the 0.1 to 1 kPa (0.4 to 4 inH2O) capsule.
Description
EJA120E-JES5J-917DB is the EJA120E draft-range differential pressure transmitter represented by this complete order code. Its suffixes define the 0.1 to 1 kPa draft capsule, no process connectors and the standard approval configuration.

It resolves very low differential pressure for draft, airflow or filter-monitoring duties and supports remote setup through HART 5/HART 7 protocol. The configuration is intended for low-draft measurement in combustion, ventilation or air-handling systems when the process and installation limits are satisfied.

Before ordering a replacement, compare the full nameplate, calibrated range and installed interfaces. Particular attention is required for draft capsule, high-pressure-side orientation or intrinsic-safety suffix.
Alternative Names
EJA120E-JES5J-917DB Yokogawa EJA120E-JES5J-917DB EJA120E JES5J 917DB EJA120EJES5J917DB Yokogawa EJA120E Draft-Range Differential Pressure Transmitter Yokogawa EJA120E-JES5J-917DB Draft-Range Differential Pressure Transmitter Yokogawa DPharp EJA EJA120E-JES5J-917DB
Technical notes
Protect the draft capsule from purge pressure and rapid impulse-line transients, which can exceed its working-pressure limits even when the normal span is very low.
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FAQS

The following is a list of questions commonly asked by our customers. Please contact us if you have a question about our process that is not answered below.
Can EJA120E-JES5J-917DB measure differential pressure on either side of zero?
Yes. Its configurable range extends from -1 to 1 kPa, so a calibrated range may cross zero when the required span remains within the E-capsule limits.
How must the impulse lines be arranged for EJA120E-JES5J-917DB?
The ordered construction uses horizontal piping with the high-pressure side on the left. The site manifold and impulse tubing must preserve that pressure-side assignment.
Which low-pressure measurement tasks suit EJA120E-JES5J-917DB?
Typical engineered duties include furnace draft, filter differential and other very-low differential-pressure measurements that remain inside the selected E-capsule limits.
What should be confirmed if EJA120E-JES5J-917DB is needed for a planned shutdown?
Provide the shutdown date and required delivery destination, then obtain written confirmation that the exact no-connector, left-high-pressure build can ship within the project window.
What process-connection issue can prevent EJA120E-JES5J-917DB from being a drop-in replacement?
This order has 1/4 NPT female cover-flange ports and no separate process connectors. Existing adapters or a three- or five-valve manifold must be checked for fit and pressure-side orientation.
Which official reference explains the ordering construction of EJA120E-JES5J-917DB?
Yokogawa General Specification GS 01C31B03-01EN covers the EJA120E family. For an inquiry, include the full order code and installed manifold drawing so the relevant selections can be verified.