Yokogawa Absolute Pressure Transmitter, EJA310E
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EJA310E Absolute Pressure Transmitter

Brand: Yokogawa Electric Corporation
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The EJA-E series of transmitters is Yokogawa's most recent evolution of the DPharp family.

Released in 2012, it combines the ruggedness and success of the work-horse EJA-E series with the performance of the thoroughbred EJX-A series to deliver the type of product you have come to expect from Yokogawa.

The EJA310E is our traditional-mount absolute pressure transmitter in the series.
Features
  • ± 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)
Available with HART 5/7, 1 to 5 VDC HART 7 (Low Power), FOUNDATION Fieldbus, PROFIBUS PA, or BRAIN communication.

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Specifications

Brand

Accuracy

  • ± (0.045 + 0.009 URL/Span) % of Span (Includes Terminal-based Linearity, Hysteresis, & Repeatability)
  • ± (0.062 + 0.0038 URL/Span) % of Span (Includes Terminal-based Linearity, Hysteresis, & Repeatability)
  • ± (0.095 + 0.0297 URL/Span) % of Span (Includes Terminal-based Linearity, Hysteresis, & Repeatability)
  • ± 0.1 % of Span (Includes Terminal-based Linearity, Hysteresis, & Repeatability)
  • ± 0.15 % of Span (Includes Terminal-based Linearity, Hysteresis, & Repeatability)

Alarm

  • Down-Scale: -5 %, 0.8 Vdc or Less - for 1-5 V HART
  • Down-Scale: -5 %, 3.2 mA DC or Less - for Output 4-20 mA HART/BRAIN
  • Up-Scale: 110 %, 21.6 mA DC or more - for Output 4-20 mA HART/BRAIN
  • Up-Scale: 110 %, 5.4 Vdc or more - for 1-5 V HART

Ambient Temperature Range

  • -30° to 80° C (-22° to 176° F) with LCD Display
  • -40° to 85° C (-40° to 185° F)

Approvals & Certifications

  • SIL 2 Capability for Single Transmitter Use, SIL 3 Capability for Dual Transmitter Use & IEC 61508: 2000, Part1 to Part 7

Approvals & Certifications

  • ATEX - Flameproof & Intrinsically Safe
  • CSA - Explosion-proof & Intrinsically Safe
  • EMC - EN 61326-1 Class A (Industrial Locations), EN 61326-2-3 & EN 61326-2-5 (Fieldbus)
  • FM - Explosion-proof & Intrinsically Safe
  • IEC 61518 - Process Connection of Cover Flange
  • IECEx - Flameproof Approval & Intrinsically Safe
  • NAMUR NE43

BSP Connection

  • 1/2” BSPT Female
  • 1/4” BSPT Female

Burst Pressure

  • psi: 10,000 (kPa: 68,950, bar: 689)

Communication

  • BRAIN
  • FOUNDATION Fieldbus
  • HART
  • PROFIBUS PA

Consumption

  • 0.96-3 mA, 27 mW - Power Consumption

Damping Adjustment

  • 0 to 100 seconds

Diagnostics

  • Configuration Error
  • CPU Failure
  • Hardware Failure
  • Process Alarm for Pressure or Capsule Temperature

Diaphragm Material

  • Hastelloy C-276

Display

  • 5-Digit Numerical Display
  • 6-Digit Unit Display
  • Bar Graph
  • LCD Display
  • User-Configurable 10-Segment Signal Characterizer

Distance

  • Up to 2 Kilometers - Communication Distance

Drain, Vent Valves & Plug

  • 316 Stainless Steel

Electrical Connectors

  • 1/2” NPT Female
  • G 1/2” Female
  • M20 Female

Electrical Protection

  • Lightning Protection as Per IEC 61000-4-4, IEC 61000-4-5

Enclosure Finish

  • Anti-Corrosion Coating
  • Polyurethane Paint - Deep Sea Moss Green Paint (Munsell 0.6 GY3.1/2.0 or its Equivalent)

Enclosure, Body Material

  • Aluminum Alloy - Copper Cast
  • ASTM CF-8M Stainless Steel

Environmental Protection

  • IP66
  • IP67
  • NEMA 4X

Fill Material

  • Fluorinated Oil
  • Silicone

Flange Material

  • ASTM CF-8M - Cover Flange

Gasket Material

  • Fluorinated Rubber - Process Connector Gasket
  • PTFE Teflon - Process Connector Gasket
  • Teflon-Coated 316L Stainless Steel - Capsule Gasket

Humidity

  • 0 to 100 % Relative Humidity - Ambient Humidity

Input Impedance

  • 10 kiloohms at 2.4 kHz

Length

  • Vent: 1.33 (34 mm) Standard
  • Vent: 4.6” (119 mm)

Load

  • 0 to 1,290 ohms - for Operation
  • 0.22 μF or Less - Load Capacitance
  • 250 to 600 ohms - for Digital Communication
  • 3.3 MH or Less - Load Inductance

Materials of Construction

  • 304 Stainless Steel - Mounting Bracket
  • 316 Stainless Steel - Name Plate & Tag, Mounting Bracket & Exterior Parts (Screws & Setscrews)

Mounting

  • 2” (50.8 mm) Pipe Mounting Bracket

Mounting Position

  • Horizontal
  • Universal
  • Vertical

Mounting Position Effect

  • Tilting up to 90 Degree will cause Zero Shift up to 0.5 kPa

NACE & NIST

  • NACE MR-0103
  • NACE MR-0175, ISO 15156

NPT Connection

  • 1/2” NPT Female
  • 1/4” NPT Female

Nut & Bolt Material

  • 316L Stainless Steel
  • 660 Stainless Steel
  • B7 Carbon Steel

O-Ring Material

  • Buna-N - Cover O-Ring
  • Fluororubber - Cover O-Ring

Output

  • 0.9-5.4 Vdc - HART
  • 1-5 Vdc (3 or 4-Wire)
  • 3.6-21.6 mA
  • 4-20 mA DC (2-Wire)

Output Load

  • 1 Megaohm or Greater

Overpressure & Static Pressure Limits

  • psia: 2,300 (MPa: 16, bar: 160) - Max.
  • psia: 3,600 (MPa: 25, bar: 250) - Max.
  • psia: 72 (kPa: 500, bar: 5) - Max.

Power Supply

  • 9-28 Vdc - General Use & Flameproof Typical (For 1-5 V HART)

Power Supply Effect

  • ± 0.005 % Per Volt (From 21.6 to 32 Vdc, 350 ohms)

Pressure Range

  • bar: 0 to 160
  • Inches Hg: 0 to 38
  • kPa: 0 to 16,000
  • mmHg: 0 to 970
  • psi: 0 to 2,300

Pressure Type

  • Absolute

Process Connection Material

  • ASTM CF-8M Stainless Steel

Process Temperature

  • -40° to 100° C (-40° to 212° F) - L Capsule
  • -40° to 120° C (-40° to 248° F) - M, A & B Capsules

Response Time

  • 90 milliseconds

Stability

  • ± 0.1 % of URL Per Year

Supply Pressure - Maximum

  • psia: 1.45 (kPa: 10, bar: 0.1) - Capsule L
  • psia: 18.8 (kPa: 130, bar: 1.3) - Capsule M
  • psia: 2,300 (MPa: 16, bar: 160) - Capsule B
  • psia: 500 (MPa: 3.5, bar: 35) - Capsule A

Supply Voltage

  • 10.5-30 Vdc - for Intrinsically Safe, Typical N, or Non-Incendive
  • 10.5-32 Vdc - for Lightning Protector
  • 10.5-42 Vdc - for General Use & Flameproof Typical
  • 16.6 Vdc - Min. Voltage for Digital Communications, BRAIN & HART
  • 24 Vdc Supply, up to 550 ohms

Temperature Effect

  • ± (0.06 % of Span + 0.012 % of URL) Per 28° C (50° F) - Ambient Temperature Effect (Capsule A & B)
  • ± (0.06 % of Span + 0.035 % of URL) Per 28° C (50° F) - Ambient Temperature Effect (Capsule M)
  • ± (0.12 % of Span + 0.35 % of URL) Per 28° C (50° F) - Ambient Temperature Effect (Capsule L)

Update Time

  • 45 milliseconds

Vibration Effect

  • < ± 0.1 % of URL as Per IEC 60770-1 Pipeline with Low Vibration Level (10-60 Hz 0.15 mm Displacement / 60-500 Hz 2 G)
  • < 0.1 % of URL as Per IEC 60770-1 Pipeline with High Vibration Level (10-60 Hz, 0.21 mm Displacement / 60-2,000 Hz 3 G)

Wetted Materials

  • 316L Stainless Steel
  • F316L Stainless Steel

Zero Offset

  • 0.01 % Incremental Resolution of Span - External Zero Adjustment

Documentation

Data Sheets

Brochure

Certificate

Manual

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