YOKOGAWA Dpharp EJX110A - Table of Contents

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IM 01C25B01-01E

EJX110A, EJX120A, EJX130A,

EJX310A, EJX430A, and EJX440A

Differential Pressure and Pressure Transmitters

IM 01C25B01-01E 10th Edition

10th Edition: Apr. 2010 (YK)

Contents

1. Introduction ............................................................................................... 1-1

 Regarding This Manual ................................................................................................1-1

1.1 Safe Use of This Product .................................................................................1-2

1.2 Warranty .............................................................................................................1-3

1.3 ATEX Documentation .......................................................................................1-4

2. Handling Cautions ....................................................................................2-1

2.1 ModelandSpecications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 WaterproongofCableConduitConnections ..............................................2-2

2.7 Restrictions on Use of Radio Transceivers ...................................................2-2

2.8 Insulation Resistance and Dielectric Strength Test ......................................2-2

2.9 Installation of an Explosion-Protected Instrument .......................................2-3

2.9.1 FM Approval .......................................................................................2-3

2.9.2 CSACertication ................................................................................2-5

2.9.3 CENELECATEX(KEMA)Certication ..............................................2-7

2.9.4 IECExCertication ...........................................................................2-10

2.10 EMC Conformity Standards ...........................................................................2-11

2.11 Pressure Equipment Directive (PED) ...........................................................2-11

2.12 Low Voltage Directive .....................................................................................2-12

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

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