Campbell-scientific 247-L Conductivity and Temperature Instrukcja Użytkownika Pobierz pdf (Strona 3)

247 Table of Contents

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1. Overview......................................................................1

1.1 EC Sensor .................................................................................................1

1.2 Temperature Sensor ..................................................................................1

2. Specifications .............................................................1

2.1 Probe.........................................................................................................1

2.2 EC Sensor .................................................................................................2

2.3 Temperature Sensor ..................................................................................2

3. Installation...................................................................2

3.1 Site Selection ............................................................................................2

3.2 Mounting...................................................................................................2

4. Wiring ..........................................................................2

5. Programming ..............................................................2

5.1 Programming Overview............................................................................2

5.2 Measurement Programming......................................................................3

5.3 Correction of Ionization Errors in EC Measurement ................................4

5.4 Correction of Temperature Errors.............................................................5

5.5 Output Processing.....................................................................................5

6. Calibration...................................................................5

6.1 Conversion Factors ...................................................................................5

6.2 Typical Ranges .........................................................................................5

6.3 Factory Calibration ...................................................................................5

6.4 Field Calibration .......................................................................................6

7. Maintenance................................................................7

8. Analysis of Errors.......................................................7

8.1 EC Measurement Error .............................................................................7

8.2 Temperature Measurement Error..............................................................8

9. Deriving a Temperature Compensation

Coeffecient .......................................................................9

1 2 3 4 5 6 7 8 ... 17 18

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Campbell-scientific 247-L Conductivity and Temperature Instrukcja Użytkownika Strona 3