Kipp&Zonen CM 4 Pyranometer - Manual (Page 8)

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TABLE OF CONTENTS
IMPORTANT USER INFORMATION ..............................................1
CALIBRATION CERTIFICATE .......................................................2
DECLARATION OF CONFORMITY ...............................................4
1 GENERAL INFORMATION........................................................9
1.1 I NTRODUCTION ...................................................................9
1.2 P HYSICAL PRINCIPLES OF THE PYRANOMETER ....................10
1.2.1 Temperature Dependency ...........................................11
1.2.2 Spectral properties of the glass dome .........................13
1.2.3 Directional / Cosine response......................................14
1.2.4 Non-linearity.................................................................15
2 LIST OF SPECIFICATIONS.....................................................17
3 INSTALLATION .......................................................................21
3.1 D ELIVERY .........................................................................21
3.2 M ECHANICAL I NSTALLATION ..............................................21
3.2.1 Outdoor installation ......................................................22
3.2.2 Indoor installation.........................................................22
3.3 E LECTRICAL CONNECTION .................................................23
4 OPERATION ........................................................................27
5 MAINTENANCE .......................................................................29
6 CALIBRATION ........................................................................31
6.1 I NITIAL CALIBRATION ..........................................................31
6.2 R ECALIBRATION ................................................................31
6.3 C ALIBRATION PROCEDURE AT K IPP & Z ONEN .....................33
6.3.1 The facility....................................................................33
6.3.2 Procedure ....................................................................33
6.3.3 Calculation ...................................................................34
6.3.4 Zero offset....................................................................34