Yokogawa EXA SC202 2-Wire Conductivity Transmitter/Analyzer User Manual

Page 3

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IM 12D08B02-01E

4. Operation; Display Functions And Setting ...................................................... 4-1

4-1. Operator interface ........................................................................................... 4-1

4-2. Explanation of operating keys ......................................................................... 4-2

4-3. Setting passcodes .......................................................................................... 4-3

4-3-1. Passcode protection ........................................................................................................4-3

4-4. Display examples ............................................................................................ 4-3

4-5. Display functions ............................................................................................. 4-4

5. Parameter setting ............................................................................................... 5-1

5-1. Maintenance mode ......................................................................................... 5-1

5-1-1. Introduction ......................................................................................................................5-1

5-1-2. Manual activation of Hold ................................................................................................5-1

5-2. Commissioning mode ..................................................................................... 5-2

5-2-1. Introduction ......................................................................................................................5-2

5-2-2. Range ..............................................................................................................................5-3

5-2-3. HOLD ..............................................................................................................................5-4

5-2-4. Temperature compensation .............................................................................................5-5

5-2-5. Temperature compensation selection .............................................................................5-6

5-2-6. Service code ....................................................................................................................5-7

5-3.Service Codes ................................................................................................. 5-8

5-3-1. Parameter specific functions ...........................................................................................5-8

5-3-2. Temperature measuring functions .................................................................................5-10

5-4. Temperature compensation functions ........................................................... 5-12

5-5. mA output functions ...................................................................................... 5-14

5-6. User interface ............................................................................................... 5-16

5-7. Communication setup ................................................................................... 5-18

5-8. General ..................................................................................................... 5-18

5-9. Test and setup mode ................................................................................... 5-18

6. Calibration ....................................................................................................... 6-1

6-1 When is calibration necessary? ....................................................................... 6-1

6-2. Calibration procedure ..................................................................................... 6-2

6-3. Calibration with HOLD active .......................................................................... 6-3

7. Maintenance ....................................................................................................... 7-1

7-1. Periodic maintenance for the EXA 202 transmitter ......................................... 7-1

7-2. Periodic maintenance of the sensor ............................................................... 7-1

8. Troubleshooting ................................................................................................. 8-1

8-1. Diagnostics ..................................................................................................... 8-1

8-1-1. Off-line checks .................................................................................................................8-1

8-1-2. On-line checks .................................................................................................................8-1

9. USP WATER PURITY MONITORING .................................................................. 9-1

9-1.What is USP ? ................................................................................................ 9-1

9-2.What is conductivity measurement according to USP? ................................... 9-1

9-3.USP in the SC202 ............................................................................................ 9-1

9-4.Setting up SC202 for USP ............................................................................... 9-2

10. SPARE PARTS ................................................................................................ 10-1

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