YOKOGAWA DPharp EJXC40A, User Manual

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IM 01C25W05-01EN
Digital Remote Sensor
IM 01C25W05-01EN 4th Edition
4th Edition: Nov. 2019 (YK)
All Rights Reserved, Copyright © 2016, Yokogawa Electric Corporation
Contents
1. Introduction ............................................................................................... 1-1

Regarding This Manual ................................................................................................1-2

Trademarks ...................................................................................................................1-3
1.1 Safe Use of This Product .................................................................................1-3
1.2 Warranty .............................................................................................................1-4
2. Handling Cautions .................................................................................... 2-1
2.1 Model and Specifications Check .....................................................................2-1
2.2 Unpacking ..........................................................................................................2-1
2.3 Storage ...............................................................................................................2-2
2.4
Selecting the Installation Location .................................................................2-2
2.5 Pressure Connection ........................................................................................2-2
2.6 Waterproofing of Cable Conduit Connections and DRS Cable ...................2-3
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 ATEX Certification .............................................................................2-9
2.9.3 IECEx Certification ..........................................................................2-12
2.9.4 Name Plate ......................................................................................2-15
3. Component Description .......................................................................... 3-1
3.1 High Pressure Side Transmitter (Master) .......................................................3-1
3.2 Low Pressure Side Transmitter (Slave) ..........................................................3-2
4. Installation ................................................................................................. 4-1
4.1 Precautions ........................................................................................................4-1
4.2 Mounting ............................................................................................................4-1
4.3 Connecting the DRS Cable .............................................................................4-4
4.4 Mounting the C10FR Flushing Connection Ring ..........................................4-4
4.4.1 Mounting to Pressure Detector Section .............................................4-4
4.4.2 Mounting to Process Flange ..............................................................4-5
4.5 Affixing the Teflon Film ....................................................................................4-6
4.6 Tank Spud Mounting Method ...........................................................................4-6
4.7 Rotating Transmitter Section ...........................................................................4-8
4.8 Changing the Direction of Integral Indicator .................................................4-8