YOKOGAWA EJA210E, User Manual

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IM 01C25C01-01E
Flange Mounted Differential Pressure Transmitters
EJX210A and EJA210E
IM 01C25C01-01E 16th Edition
16th Edition: July 2021 (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 ................................................... 2-3
2.8 Insulation Resistance and Dielectric Strength Test ...................................... 2-3
2.9 Installation of an Explosion-Protected Instrument ....................................... 2-4
2.9.1 FM Approval .......................................................................................2-4
2.9.2 CSA Certification ................................................................................2-6
2.9.3 ATEX Certification ..............................................................................2-9
2.9.4 IECEx Certification ...........................................................................2-13
2.10 EMC Conformity Standards ........................................................................... 2-16
2.11 Pressure Equipment Directive (PED) ........................................................... 2-17
2.12 EU RoHS Directive .......................................................................................... 2-17
2.13 Safety Requirement Standards ..................................................................... 2-17
3. Component Names .................................................................................. 3-1
4. Installation ................................................................................................. 4-1
4.1 Precautions ....................................................................................................... 4-1
4.2 Mounting ........................................................................................................... 4-1
4.3 Rotating Transmitter Section ........................................................................... 4-2
4.4 Changing Integral Indicator Direction ............................................................ 4-2
4.5 Mounting the Flushing Connection Ring ....................................................... 4-3
4.5.1 Mounting to Pressure Detector Section .............................................4-3
4.5.2 Mounting to Process Flange ..............................................................4-3
4.6 Affixing the Teflon Film .................................................................................... 4-4