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Campbell Scientific 247-L Conductivity and Temperature User Manual

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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