Yokogawa In-Line Absolute Pressure Transmitter, EJA510A
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EJA510A In-Line Absolute Pressure Transmitter

Brand: Yokogawa Electric Corporation
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The absolute and gauge pressure transmitter model EJA510A and EJA530A can be used to measure liquid, gas, or steam pressure. 

Both output a 4-20 mA DC signal corresponding to the measured pressure, and also feature remote setup and monitoring through communications with the BRAIN terminal and CENTUM CS or µXL or HART 275 host.
Features
  • 0.2% Accuracy (0.075% Option)
  • 0.1% Stability for 1 year
  • 8,500 psi MWP

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Specifications

Brand

Metric Connection

  • M20 x 1.5 Male DIN 16288

O-Ring Material

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

NPT Connection

  • 1/2” NPT Female
  • 1/2” NPT Male

Ambient Temperature Range

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

Pressure Type

  • Absolute

Enclosure, Body Material

  • 316 Cast Stainless Steel - Amplifier Housing
  • ASTM CF-8M Stainless Steel - Amplifier Housing
  • Low Copper Cast Aluminum Alloy
  • SCS14A Stainless Steel - Amplifier Housing

Electrical Connectors

  • 1/2” NPT Female
  • Blind Plug
  • G 1/2” Female
  • M20 Female
  • PG13.5 Female

Operating Temperature

  • -20° to 80° C (-4° to 176° F)

Stability

  • ± 0.1 % of URL Per 12 Months

Display

  • LCD Display

Supply Pressure - Maximum

  • psia: 1,450 (kPa: 10,000, bar: 100) - Capsule C
  • psia: 29 (kPa: 200, bar: 2) - Capsule A
  • psia: 290 (kPa: 2,000, bar: 20) - Capsule B
  • psia: 7,200 (kPa: 50,000, bar: 500) - Capsule D

Cable Material

  • Polyethylene Insulated PVC Sheathed

Mounting Position Effect

  • Tilting up to 90° will cause Zero Shift up to 0.27 kPa

Temperature Effect

  • ± (0.15 % of Span + 0.15 % of URL) Per 28° C (50° F) - Ambient Temperature Effects

Zero Offset

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

Diaphragm Material

  • Hastelloy C-276

Load

  • 0 to 1,335 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 - Data Plate & Tag, Mounting Bracket
  • SECC Carbon Steel
  • SUS316 (316 Stainless Steel) - Data Plate & Tag, Mounting Bracket

Environmental Protection

  • IP67
  • NEMA 4X

Power Supply Effect

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

Enclosure Finish

  • Epoxy Resin-Baked Coating
  • Polyurethane Paint (Munsell 0.6 GY3.1/2.0)

Current

  • 6,000 A, Max.

Process Connection Material

  • Hastelloy C-276
  • SUS316L (316L Stainless Steel)

Electrical Protection

  • Lightning Protection

Damping Adjustment

  • 0.1 to 64 seconds in 9 Increments

Communication

  • BRAIN
  • FOUNDATION Fieldbus
  • HART FSK Protocol
  • PROFIBUS PA

Process Temperature

  • -40° to 120° C (-40° to 248° F)

Output

  • 3.8-20.5 mA

Output Signal

  • 4-20 mA DC (2-Wire)

BSP Connection

  • G 1/2” DIN 16 288 Male

Distance

  • 6” (15 cm) or more - Spacing from Power Line
  • Up to 2 Kilometers (1.25 Miles) when Using CEV - BRAIN Communication Distance

Wetted Materials

  • 316L Stainless Steel
  • Hastelloy C-276

Pressure Range

  • bar: 0 to 500
  • kPa: 0 to 50,000
  • psi: 0 to 7,200

Approvals & Certifications

  • Leak Test
  • Mill Certificate
  • Pressure Test

Supply Voltage

  • 10.5-30 Vdc - for Intrinsically Safe, Typical N, Non-Incendive, or Non-sparking Typical
  • 10.5-32 Vdc - for Lightning Protector
  • 10.5-42 Vdc - for General Use & Flameproof Typical
  • 16.4 Vdc Min. - for Digital Communications, BRAIN & HART
  • 24 Vdc Supply, 0 to 570 ohms Load

Overpressure & Static Pressure Limits

  • psia: 2,900 (kPa: 20,000, bar: 200) - Capsule C, Max.
  • psia: 580 (kPa: 4,000, bar: 40) - Capsule A & B, Max.
  • psia: 8,500 (kPa: 60,000, bar: 600) - Capsule D, Max.

Vibration Effect

  • ± 0.1 % of URL (5 to 15 Hz, 4 mm Peak-to-Peak Constant Displacement, 15 to 150 Hz, 2 G, 150 to 2,000 Hz, 1 G)

Drain, Vent Valves & Plug

  • 316 Stainless Steel

Input Impedance

  • 10 kiloohms or more at 2.4 kHz - for Communicating Device

NACE & NIST

  • NACE MR-0175

Humidity

  • 5 to 100 % Relative Humidity at 40° C (104° F) - Ambient Humidity

Alarm

  • Down-Scale: -2.5 %, 3.6 mA DC or Less
  • Down-Scale: -5 %, 3.2 mA DC or Less - Failure Alarm
  • Up-scale: 110 %, 21.6 mA DC or more (Standard) - Failure Alarm

Mounting

  • 2” (50.8 mm) Pipe

Response Time

  • 0.3 second, Max.

Update Time

  • 0.125 second

Approvals & Certifications

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

Accuracy

  • ± 0.2 % of Span (Including the Effects of Zero-based Linearity, Hysteresis & Repeatability, Values are in Absolute)

Fill Material

  • Fluorinated Oil
  • Silicone

Documentation

Data Sheets

Manual

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