Yokogawa Differential Pressure Transmitter with Remote Diaphragm Seal, EJX118A
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EJX118A Differential Pressure Transmitter with Remote Diaphragm Seal

Brand: Yokogawa Electric Corporation
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The EJX-A series is Yokogawa's premium performance line of DPharp transmitters. Released in 2004, it offers the performance and stability needed in demanding applications.

The EJX-A series performance makes it the thoroughbred of the DPharp family of pressure transmitters.

The EJX118A is the Differential Pressure Transmitter with Remote Diaphragm Seals in the series.
Features
  • ± 0.15% Accuracy
  • 200 ms Response Time
  • Exida and TUV SIL2 / SIL3 Certified
  • Local Parameter Setting (LPS)
  • 10-segment Signal Characterizer
  • Active Capillary Fill Fluid Density Compensation

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Specifications

Brand

Accuracy

  • ± (0.02 + 0.013 URL/Span) % of Span (Includes Terminal-based Linearity, Hysteresis & Repeatability) - Capsule M
  • ± (0.085 + 0.013 URL/Span) % of Span (Includes Terminal-based Linearity, Hysteresis & Repeatability) - Capsule H
  • ± 0.15 % of Span (Includes Terminal-based Linearity, Hysteresis & Repeatability) - Capsule H & M

Adjustment Type

  • Push Buttons - Digital Indicator
  • Screw

Alarm

  • Down-Scale: -5 %, 3.2 mA DC or Less
  • Up-Scale: 110 %, 21.6 mA DC or more

Ambient Temperature Range

  • -30° to 60° C (-22° to 140° F) - with LCD Display
  • -40° to 60° C (-40° to 140° F)

Approvals & Certifications

  • ATEX Flameproof & Intrinsically Safe
  • CSA Explosion-proof & Intrinsically Safe
  • EMC EN 61326-1 Class A, EN 61326-2-3, EN 61326-2-5
  • FM Explosion-proof & Intrinsically Safe
  • IEC Ex Flameproof & Intrinsically Safe
  • NAMUR NE43
  • PED 97/23/EC - Sound Engineering Practice

Approvals & Certifications

  • Leak Test
  • Material Certificate
  • Pressure Test
  • SIL 2 - Capability for Single Transmitter Use, SIL 3 - Capability for Single Transmitter Use & IEC 61508: 2000
  • TÜV (Technischer Uberwachungsverein)

Cable Material

  • Polyethylene Insulated PVC Sheathed

Capillary Length

  • 16 feet (5 metres)

Capillary Material

  • JIS SUS316 - Capillary Tube

Communication

  • BRAIN
  • FOUNDATION Fieldbus
  • HART
  • PROFIBUS PA

Damping Adjustment

  • 0 to 100 seconds

Diagnostics

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

Diaphragm Material

  • 316L Stainless Steel
  • Hastelloy C-276
  • JIS SUS304 PVC Sheathed - Protection Tube
  • Tantalum
  • Titanium

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
  • 1/4” NPT - Vent/Drain Plug
  • G 1/2” Female
  • M20 Female
  • R: 1/4” - Vent/Drain Plug

Electrical Protection

  • Lightning Protection

Enclosure Finish

  • Anti-Corrosion Coating
  • Polyurethane Mint Green Paint (Munsell 5.6BG 3.3/2.9)

Enclosure, Body Material

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

Environmental Protection

  • IP66
  • IP67
  • NEMA 4X

Fill Material

  • Ethylene Glycol
  • Fluorinated Oil
  • Silicone Oil

Flange Material

  • 316L Stainless Steel - Cover Flange Bolting
  • 660 Stainless Steel - Cover Flange Bolting
  • ASTM CF-8M - Cover Flange
  • B7 Carbon Steel - Cover Flange Bolting
  • JIS S25C - Process Flange
  • JIS SUS304 - Process Flange, Mounting Bracket
  • JIS SUS316 - Process Flange

Flange Size - 1-1/2” (DN 40)

  • 1-1/2” (DN 40) - 150# ANSI/JPI
  • 1-1/2” (DN 40) - 300# ANSI/JPI
  • 1-1/2” (DN 40) - 600# ANSI/JPI
  • 1-1/2” (DN 40) - JIS 10K
  • 1-1/2” (DN 40) - JIS 20K
  • 1-1/2” (DN 40) - JIS 40K
  • 1-1/2” (DN 40) - PN 10
  • 1-1/2” (DN 40) - PN 16
  • 1-1/2” (DN 40) - PN 25
  • 1-1/2” (DN 40) - PN 40
  • 1-1/2” (DN 40) - PN 64

Flange Size - 2” (DN 50)

  • 2” (DN 50) - 150# ANSI/JPI
  • 2” (DN 50) - 300# ANSI/JPI
  • 2” (DN 50) - 600# ANSI/JPI
  • 2” (DN 50) - JIS 10K
  • 2” (DN 50) - JIS 20K
  • 2” (DN 50) - JIS 40K
  • 2” (DN 50) - PN 10
  • 2” (DN 50) - PN 16
  • 2” (DN 50) - PN 25
  • 2” (DN 50) - PN 40
  • 2” (DN 50) - PN 64

Flange Size - 3” (DN 80)

  • 3” (DN 80) - 150# ANSI/JPI
  • 3” (DN 80) - 300# ANSI/JPI
  • 3” (DN 80) - 600# ANSI/JPI
  • 3” (DN 80) - JIS 10K
  • 3” (DN 80) - JIS 20K
  • 3” (DN 80) - JIS 40K
  • 3” (DN 80) - PN 10
  • 3” (DN 80) - PN 16
  • 3” (DN 80) - PN 25
  • 3” (DN 80) - PN 40
  • 3” (DN 80) - PN 64

Flange Size - 4” (DN 100)

  • 4” (DN 100) - 150# ANSI/JPI
  • 4” (DN 100) - 300# ANSI/JPI
  • 4” (DN 100) - JIS 10K
  • 4” (DN 100) - JIS 20K
  • 4” (DN 100) - PN 10
  • 4” (DN 100) - PN 16
  • 4” (DN 100) - PN 25
  • 4” (DN 100) - PN 40

Fluid Specific Gravity

  • 0.94 to 1.92

Gasket Material

  • 316 Stainless Steel (Hoop) - Spiral Gasket for Transmitter Side
  • PTFE Teflon (Filler) - Spiral Gasket for Transmitter Side

Humidity

  • 0 to 100 % Relative Humidity - Ambient Humidity

Input Impedance

  • 10 kiloohms or more at 2.4 kHz

Load

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

Materials of Construction

  • 316 Stainless Steel - Name Plate & Tag, Mounting Bracket

Mounting

  • 2” Pipe Mounting Bracket

Mounting Position

  • Horizontal

NACE & NIST

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

O-Ring Material

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

Output

  • 2-Wire 4-20 mA DC
  • 3.6-21.6 mA

Output Format

  • Transistor Output at 10.5-30 Vdc, 120 mA DC, Max.

Power Supply Effect

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

Pressure Range

  • Inches WC: -2,000 to 2,000
  • kPa: -500 to 500
  • mbar: -5,000 to 5,000
  • mmWC: -10,000 to 10,000
  • psi: -72.52 to 72.52

Pressure Type

  • Absolute
  • Differential
  • Gauge

Process Connection Style

  • Extended Typical
  • Flush Typical

Process Temperature

  • -50° to 310° C (-58° to 590° F)

Response Time

  • 200 milliseconds - Capsule M & H

Static Pressure Effect

  • ± 0.014 % of URL Per psi: 100 (MPa: 0.69, bar: 6.9) - Zero Effect
  • ± 0.02 % of Span Per psi: 100 (MPa: 0.69, bar: 6.9) - Span Effect

Supply Pressure

  • psi: 0 to 14.5 (kPa: 0 to 100, bar: 0 to 1)

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 up to 550 ohms Load

Temperature Effect

  • ± (0.25 % of Span + 0.06 % of URL) Per 28° C (50° F) - Ambient Temperature Effect for Capsule M & H

Update Time

  • 360 milliseconds - Static Pressure
  • 45 milliseconds - Differential Pressure

Wetted Materials

  • 316 Stainless Steel - Pipe
  • 316L Stainless Steel
  • Hastelloy C-276
  • Tantalum
  • Titanium

Zero Offset

  • External Zero is Continuously Adjustable with 0.01 % Incremental Resolution of Span

Documentation

Data Sheets

Brochure

Certificate

Manual

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