Campbell-scientific CNR4 Net Radiometer Bedienungsanleitung PDF herunterladen (Seite 5)

Table of Contents

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1. Introduction.................................................................1

2. Cautionary Statements...............................................1

3. Initial Inspection .........................................................1

3.1 Ships With............................................................................................1

4. Quickstart ....................................................................2

4.1 Siting Considerations ...........................................................................2

4.2 Mounting..............................................................................................2

4.3 Use SCWin to Program Datalogger and Generate Wiring Diagram ....4

5. Overview......................................................................7

6. Specifications .............................................................8

6.1 CNR4 Specifications..........................................................................10

6.2 Pyranometer Specifications................................................................10

6.3 Pyrgeometer Specifications................................................................11

6.4 Optional CNF4 Heater/Ventilator ......................................................12

6.4.1 CNF4 Specifications ...................................................................12

7. Operation...................................................................13

7.1 Using the CNR4 in the Four Separate Components Mode.................13

7.1.1 Measuring Short-wave Solar Radiation with Pyranometer .........13

7.1.2 Measuring Long-wave Far Infrared Radiation with

Pyrgeometer.............................................................................13

7.1.3 Measuring CNR4 Temperature with Thermistor ........................14

7.1.4 Calculation of Albedo .................................................................16

7.1.5 Calculation of Net Short-wave Radiation ...................................17

7.1.6 Calculation of Net Long-wave Radiation....................................17

7.1.7 Calculation of Net (Total) Radiation...........................................18

7.2 Wiring ................................................................................................18

7.3 Datalogger Programming ...................................................................21

7.3.1 Sensor Sensitivity........................................................................21

7.3.2 Example Programs ......................................................................21

7.3.2.1 Example 1, CR1000 Program Using Differential

Measurements...............................................................21

7.3.2.2 Example 2, CR3000 Program Using Differential

Measurements...............................................................24

7.3.2.3 Example 3, CR5000 Program Using Differential

Measurements...............................................................27

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Campbell-scientific CNR4 Net Radiometer Bedienungsanleitung Seite 5