Campbell CVF4 Spécifications télécharger pdf (Page 4)

CNR4 Table of Contents

9. Maintenance and Recalibration ................................29

9.1 Cleaning Windows and Domes.............................................................. 29

9.2 Recalibration .......................................................................................... 30

9.3 Replacing the Drying Cartridge ............................................................. 30

9.4 Replacement Parts.................................................................................. 31

Appendices

A. CNR4 Performance and Measurements under

Different Conditions ............................................. A-1

B. CNF4 Heater/Ventilator ........................................... B-1

B.1 General Information ............................................................................ B-1

B.2 Attaching the Optional CNF4 Heater/Ventilator Unit to CNR4 ......... B-3

B.3 Wiring ................................................................................................. B-7

B.4 Example B, CR3000 Datalogger Program with Heater/Ventilator

Control............................................................................................. B-8

B.5 CNF4 Heater/Ventilator Maintenance............................................... B-11

B.5.1 Testing the Heater.................................................................... B-11

B.5.2 Testing the Ventilator .............................................................. B-11

B.5.3 Replacing the Filter for the Ventilator..................................... B-12

C. CR3000 Program for Measuring Pt-100

Temperature Sensor.............................................C-1

Figures

2-1. The CNR4 net radiometer with cables and mounting rod, top view ...... 2

2-2. The CNR4 net radiometer with CNF 4 heater/ventilator unit, top view. 2

3-1. Attaching the mounting rod to the CNR4 body...................................... 7

3-2. Attaching the CNR4 onto the mounting rod (CSI p/n 26120) using

vertical pole or horizontal crossarm .................................................... 8

6-1. The CNR4 sensor with SOLAR and TEMP cables .............................. 14

6-2. The marks on the end of the CNR4: S for SOLAR cable, and T for

TEMP cable....................................................................................... 15

6-3. Labels on the pigtail end of the SOLAR cable ..................................... 15

6-4. Labels on the pigtail end of the TEMP cable........................................ 16

9-1. Replacing the Drying Cartridge............................................................ 30

A-1. Different measurement conditions and signals .................................. A-2

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

A-3. Clear day for the downward facing pyrgeometer .............................. A-3

B-1. CNF4 Package Contents .................................................................... B-3

B-2. Attaching the CNF4 to CNR4 using pan-head screws and washers .. B-4

B-3. Making sure the cables are clear from the edges ............................... B-5

B-4. CNF4 solar shield and four flat-head screws ..................................... B-5

B-5. Attaching the solar shield to CNF4 using four flat-head screws........ B-6

B-6. Affixing the sensor label to CNF4 ..................................................... B-6

B-7. Connecting the CNF4 power control cable and the mounting rod..... B-6

1 2 3 4 5 6 7 8 9 ... 59 60

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Campbell CVF4 Spécifications Page 4

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