Yokogawa EXA PH202 2-Wire pH/ORP Analyzer User Manual

Page 2

IM 12B07D02-01E

11th Edition: Oct. 2009(YK)

TABLE OF CONTENTS

PREFACE
1. Introduction And General Description ............................................................. 1-1

1-1. Instrument check ............................................................................................ 1-1

1-2. Application ...................................................................................................... 1-3

2. PH202 Specifications ........................................................................................ 2-1

2-1. General ....................................................................................................... 2-1

2-2. Operating specifications ................................................................................. 2-2

2-3. Model and suffix codes ................................................................................... 2-6

2-4. Control Drawing of PH202S mA HART® Specification (IECEx). .................... 2-7

2-5. Control Drawing of PH202S mA HART® Specification (ATEX) ...................... 2-8

2-6. Control Drawing of PH202S mA HART® Specification ........................................

(FM Intrinsically safe design) ........................................................................... 2-9

2-7. Control Drawing of PH202S mA HART® Specification ........................................

(FM Non-incendive design). ........................................................................... 2-10

2-8. Control Drawing of PH202S mA HART® Specification (CSA). ......................2-11

2-9. Control Drawing of PH202S FF/PB Specification (IECEx) ........................... 2-12

2-10. Control Drawing of PH202S FF/PB Specification (ATEX) .......................... 2-13

2-11. Control Drawing of PH202S FF/PB Specification ..............................................

(FM Intrinsically safe Entity). .......................................................................... 2-14

2-12. Control Drawing of PH202S FF/PB Specification ..............................................

(FM Intrinsically safe FISCO) ......................................................................... 2-16

2-13. Control Drawing of PH202S FF/PB Specification ..............................................

(FM Non-incendive Entity). ............................................................................ 2-18

2-14. Control Drawing of PH202S FF/PB Specification ..............................................

(FM Non-incendive FNICO) ........................................................................... 2-19

2-15. Control Drawing of PH202S FF/PB Specification (CSA). ........................... 2-20

3. Installation And Wiring....................................................................................... 3-1

3-1. Installation and dimensions ............................................................................ 3-1

3-1-1. Installation site .................................................................................................................3-1

3-1-2. Mounting methods ...........................................................................................................3-1

3-2. Preparation ..................................................................................................... 3-3

3-2-1. Cables, terminals and glands ..........................................................................................3-3

3-3. Wiring of sensors ............................................................................................ 3-4

3-3-1. General precautions ........................................................................................................3-4

3-3-2. Additional precautions for installations in hazardous areas ...........................................3-4

3-3-3. Installation in: Hazardous Area-Non-Incendive ..............................................................3-5

3-3-4. Liquid earth ......................................................................................................................3-5

3-3-5. Access to terminal and cable entry .................................................................................3-5

3-4. Wiring of power supply ................................................................................... 3-5

3-4-1. General precautions .......................................................................................................3-5

3-4-2. Connection of the power supply ......................................................................................3-6

3-4-3. Switching the instrument on ............................................................................................3-6

3-5. Wiring the sensor system ............................................................................... 3-7

3-5-1. Impedance measurement jumper settings ......................................................................3-7

3-6. Sensor wiring .................................................................................................. 3-8

3-6-1. Connection cable .............................................................................................................3-9

3-6-2. Sensor cable connection with special grommet ............................................................3-10

3-6-3. Sensor cable connections using junction box (BA10) and extension cable (WF10) ...3-11

3-6-4. Connection VP type sensor ...........................................................................................3-11

In this manual a

sign appears if it concerns the PH202G (S)-E, -C, -U, -N, -K