YOKOGAWA DP harp EJX Series, User Manual

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IM 01C25B01-01E
Differential Pressure and Pressure Transmitters
EJ
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110
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, EJ

120

, EJ

130

,
EJ

310

, EJ
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430

, and EJ
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440
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IM 01C25B01-01E 21st Edition
21st Edition: Nov. 2019 (YK)
All Rights Reserved, Copyright © 2004, Yokogawa Electric Corporation
Contents
1. Introduction ............................................................................................... 1-1

Regarding This Manual ................................................................................................1-2

Trademarks ...................................................................................................................1-2
1.1 Safe Use of This Product .................................................................................1-3
1.2 Warranty .............................................................................................................1-5
2. Handling Cautions .................................................................................... 2-1
2.1 Model and Specifications Check .....................................................................2-1
2.2 Unpacking ..........................................................................................................2-1
2.3 Storage ...............................................................................................................2-1
2.4 Selecting the Installation Location ................................................................2-2
2.5 Pressure Connection ........................................................................................2-2
2.6 Waterproofing of Cable Conduit Connections ..............................................2-2
2.7 Restrictions on Use of Radio Transceivers ...................................................2-2
2.8 Insulation Resistance and Dielectric Strength Test ......................................2-3
2.9 Installation of an Explosion-Protected Instrument .......................................2-3
2.9.1 FM Approval .......................................................................................2-4
2.9.2 CSA Certification ................................................................................2-6
2.9.3 ATEX Certification ..............................................................................2-8
2.9.4 IECEx Certification ...........................................................................2-13
2.10 EMC Conformity Standards ...........................................................................2-15
2.11 Pressure Equipment Directive (PED) ...........................................................2-15
2.12 EU RoHS Directive ..........................................................................................2-16
2.13 Safety Requirement Standards .....................................................................2-16
3. Component Names .................................................................................. 3-1
4. Installation ................................................................................................. 4-1
4.1 Precautions .......................................................................................................4-1
4.2 Mounting ...........................................................................................................4-1
4.3 Changing the Process Connection .................................................................4-2
4.4 Swapping the High/Low-pressure Side Connection .....................................4-3
4.4.1 Rotating Pressure-detector Section 180° .........................................4-3
4.4.2 Using the Communicator ...................................................................4-3
4.5 Rotating Transmitter Section ...........................................................................4-4
4.6 Changing the Direction of Integral Indicator ................................................. 4-4