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Appendix A. CNR4 Performance and Measurements under Different Conditions

FIGURE A-1. Different measurement conditions and signals.

Upperpyrgeometer

Daywithalternatingcloudfields

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pyrgeometer:U_emf/Sensitivity[W/m²] TempYSI44031[°C]

FIGURE A-2. Partly cloudy day for the upward facing pyrgeometer.

A-2

1 2 ... 35 36 37 38 39 40 41 42 43 44 45 ... 59 60

CNR4 Net Radiometer 1
Warranty and Assistance 2
CNR4 Table of Contents 3
2. Sensor Specifications 8
2.1 CNR4 Specifications 9
< 6 W/m 11
3. Installation 12
Pyrgeometer 15
5.4 Calculation of Albedo 18
6. Wiring 20
7. Datalogger Programming 23
8. Troubleshooting 34
8.2 Testing the Pyrgeometer 35
8.3 Testing the Thermistor 35
8.4 Testing the Pt-100 35
9.2 Recalibration 36
9.4 Replacement Parts 37
Measurements under Different 39
Conditions 39
Upperpyrgeometer 40
B.1 General Information 43
Unit to CNR4 45
B.3 Wiring 49
Heater/Ventilator Control 50
B.5.1 Testing the Heater 53

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Campbell CVF4 Specifiche Pagina 40

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