Yokogawa EJA118 User Manual
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CONTENTS
IM 1C22H1-01E
8.
MAINTENANCE ............................................................................................. 8-1
8.1
Overview ............................................................................................. 8-1
8.2
Calibration Instruments Selection ....................................................... 8-1
8.3
Calibration ........................................................................................... 8-1
8.4
Disassembly and Reassembly ............................................................ 8-3
8.4.1
Replacing the Integral Indicator ................................................... 8-3
8.4.2
Replacing the CPU Assembly ...................................................... 8-4
8.5
Troubleshooting ................................................................................... 8-5
8.5.1
Basic Troubleshooting .................................................................. 8-5
8.5.2
Troubleshooting Flow Charts ....................................................... 8-5
9.
GENERAL SPECIFICATIONS ...................................................................... 9-1
9.1
Standard Specifications ...................................................................... 9-1
9.2
Model and Suffix Codes ...................................................................... 9-3
9.3
Optional Specifications ........................................................................ 9-6
9.4
Dimensions .......................................................................................... 9-8
INSTALLATION AND OPERATING PRECAUTIONS FOR
JIS INTRINSICALLY SAFE EQUIPMENT .......................................... EX-A03E
INSTALLATION AND OPERATING PRECAUTIONS FOR
JIS FLAMEPROOF EQUIPMENT ....................................................... EX-B03E
Customer Maintenance Parts List
DPharp EJA Series Transmitter Section ............................ CMPL 1C22A1-02E
Models EJA118W, EJA118N, and EJA118Y Diaphragm Sealed
Differential Pressure Transmitter ............................. CMPL 1C22H1-01E
REVISION RECORD