Yokogawa In-Line Gauge Pressure Transmitter, EJA530A
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EJA530A In-Line Gauge 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 to 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

Accuracy

  • ± 0.075 % of Span - when HAC is Specified
  • ± 0.12 % of Span
  • ± 0.2 % of Span

Alarm

  • Output Status at CPU Failure & Hardware Error, Down-Scale: -5 %, 3.2 mA DC, -2.5 %, 3.6 mA DC or Less
  • Output Status at CPU Failure & Hardware Error, Up-Scale: 110 %, 21.6 mA DC

Ambient Temperature Range

  • -40° to 85° C (-40° to 185° F)

Approvals & Certifications

  • CSA
  • Directive 97/23/EC - Sound Engineering Practice
  • EN 61060-1, 61326-1 Class A, 61326-2-3
  • FM

BSP Connection

  • G 1/2” Male

Cable Material

  • Polyethylene Insulated PVC Sheathed

Communication

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

Connection Material

  • 316L Stainless Steel
  • Hastelloy C-276

Cover Material

  • Buna-N
  • Fluororubber O-Ring on Cover

Damping Adjustment

  • 0.2 to 64 seconds

Diaphragm Material

  • Hastelloy C-276

Electrical Connectors

  • Blind Plug
  • M20 x 1.5 Male DIN 16288
  • M20 Female
  • PG13.5

Enclosure Finish

  • Polyurethane Paint (Munsell 0.6 GY3.1/2.0)

Enclosure, Body Material

  • Aluminum Alloy - Copper Cast

Environmental Protection

  • Explosion-proof
  • IP67
  • NEMA 4X

Fill Material

  • Fluorinated Oil
  • Silicone

Humidity

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

Indication

  • Digital Indicator with the Range Setting Switch

Input Impedance

  • 10 kiloohms or more at 2.4 kHz

Materials of Construction

  • 304 Stainless Steel - Data Plate & Tag
  • 316 Stainless Steel - Data Plate & Tag

Mounting

  • 2” (50.8 mm) Pipe

Mounting Position Effect

  • Tilting up to 90° will cause Zero Shift up to 0.4 kPa

NPT Connection

  • 1/2” NPT Female
  • 1/2” NPT Male

O-Ring Material

  • Buna-N

Operating Temperature

  • -20° to 80° C (-4° to 176° F)

Output

  • 4-20 mA DC - 2-Wire

Output Load

  • 0 to 1,335 ohms - for Operation
  • 0 to 570 ohms - Load
  • 250 to 600 ohms - for Digital Communication

Power Supply Effect

  • ± 0.005 % Per Volt

Pressure Range

  • bar: 2 to 496.4
  • kPa: 200 to 49,640
  • psi: 29 to 7,200

Pressure Type

  • Gauge

Process Temperature

  • -40° to 120° C (-40° to 248° F)

Rotation

  • 90°

Span & Zero Adjustments

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

Stability

  • ± 0.1 % of URL Per 12 Months

Supply Voltage

  • 10.5-30 Vdc - Intrinsically Safe
  • 10.5-32 Vdc - Lightning Protector
  • 10.5-42 Vdc - for General Use & Flameproof Typical
  • 16.4 Vdc - Digital Communications
  • 24 Vdc

Temperature Effect

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

Vibration

  • 1 G, 150 to 2,000 Hz
  • 2 G, 15 to 150 Hz

Vibration Effect

  • ± 0.1 % of URL

Wetted Materials

  • 316L Stainless Steel
  • Hastelloy C-276

Documentation

Data Sheets

Manual

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