Kippzonen CM 4 Pyranometer User Manual

Instruction ManualHigh Temperature PyranometerCM 4

9 1 GENERAL INFORMATION 1.1 INTRODUCTION The CM 4 High Temperature Pyranometer is an instrument for measuring solar or artificial light i

10 The CM 4 Pyranometer complies with specifications according to the ISO 9060 standard, as defined in the ‘Guide to meteorological Instrument

11 The thermopile surface is coated with black absorbent paint. Absorbed radiation is converted into heat which flows through the thermal res

12 Temperature dependency of the sensitivity-3.000-2.000-1.0000.0001.0002.0003.000-40 -20 0 20 40 60 80 100 120 140 160Instrument temperature (

13 1.2.2 Spectral properties of the glass dome The spectral properties of a pyranometer are determined by the properties of the black absorb

14 1.2.3 Directional / Cosine response The measurement of the radiation falling on a plane surface (also called irradiance or radiative flux)

15 -6-4-202468100 1020304050607080min. cosine error %typical cosine error %max. cosine error %degrees[%] Figure 1.4: Th

16 0.960.970.980.991.001.010 500 1000 1500 2000 2500Irradiance [W/m²]Relative error [-] Figure 1.5: CM 4 non-linearity, sensitivity variat

17 2 LIST OF SPECIFICATIONS Spectral range: 300 to 2800 nm, 50% points Sensitivity: 7 µV/Wm-2 (nominal) Impedance: 500 to 2000 Ω Res

18 Temperature sensor: Pt-100 Construction: Receiver paint: Carbon Black Dome: Glass Desiccant: Silica gel Materials: Anodised alumin

1 IMPORTANT USER INFORMATION Reading this entire manual is recommended for full understanding of the use of this product. The exclamation m

19 Figure 2.1: CM 4 Dimensions. SPECIFICATIONS

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21 3 INSTALLATION Reading the installation instruction before installation is recommended for full understanding of the use of this product.

22 3.2.1 Outdoor installation When installed permanently, the pyranometer can be attached to its mounting platform by means of the holes that

23 3.3 ELECTRICAL CONNECTION The CM 4 is provided with a special 10 m cable with six leads and a shield covered with a black sleeve. The co

24 Figure 3.1: Circuit diagram of the CM 4 Pyranometer and connection to readout equipment. It is evident that applicatio

25 For amplification of the pyranometer signal Kipp & Zonen recommends the 4-20 mA Signal Amplifier, available from Kipp & Zonen. Thi

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27 4 OPERATION After completing the installation the pyranometer will be ready for operation. The irradiance value (E) can be simply compu

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2 COPYRIGHT© 2010 KIPP & ZONEN All rights reserved. No part of this publication may be reproduced, stored in a retrieval system or transm

29 5 MAINTENANCE Once installed the pyranometer needs little maintenance. The pyranometer dome must be kept clean and inspected regularly.

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31 6 CALIBRATION 6.1 INITIAL CALIBRATION The ideal pyranometer should always have a constant ratio of voltage output to irradiance level

32 Accurate calibrations can also be done outdoors under clear conditions by comparison to a reference pyrheliometer. Many National Weather Se

33 6.3 CALIBRATION PROCEDURE AT KIPP & ZONEN 6.3.1 The facility The calibration facility at Kipp & Zonen consists of a good qualit

34 the lamp optics etc. Therefore the pyranometers are interchanged and the whole procedure is repeated. We get another pair of values: A'

35 6.3.5 Traceability to World Radiometric Reference Working reference pyranometers are maintained at Kipp & Zonen. Each reference pyrano

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37 7 FREQUENTLY ASKED QUESTIONS (FAQ’s) The most frequently asked questions are listed below. 1. Negative output during measurements?

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3 CALIBRATION CERTIFICATE The calibration certificate supplied with the instrument is valid from the date of first use. Even though the cal

39 8 TROUBLE SHOOTING The following contains a procedure for checking the instrument in case it appears that it does not function as one c

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41 9 PART NUMBERS / SPARE PARTS / OPTIONS Description Part no. Drying Cartridge kit 0356 111 (incl. Cartridge, Cover, Rubber Ring) S

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43 APPENDIX I PYRANOMETER CLASSIFICATION ACCORDING TO WMO GUIDE 1996 Characteristics High quality Good quality Moderate quality ISO 9060 c

44 Achievable uncertainty, 95 percent confidence level Hourly totals Daily totals 3% 2% 8% 5% 20% 10%

45 APPENDIX II PT-100 SPECIFICATIONS Temp.[°C] Resistance [Ω] Temp. [°C] Resistance[Ω] Temp. [°C] Resistance [Ω] -40 -39 -38 -37 -36 -35

46 Temp. [°C] Resistance [Ω] Temp. [°C] Resistance [Ω] Temp. [°C] Resistance [Ω] 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75

47 APPENDIX III LIST OF WORLD AND REGIONAL RADIATION CENTRES World Radiation Centres Davos (Switzerland) St. Petersburg (Russia) Region

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4 DECLARATION OF CONFORMITY According to EC guideline 89/336/EEC We Kipp & Zonen B.V. Delftechpark 36 2628 XH Delft The N

49 APPENDIX IV RECALIBRATION SERVICE Pyranometers, UV-meters, Pyrgeometers & Sunshine duration sensors Kipp & Zonen solar radiat

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51 Name : Company/Institute : Address : Postcode + City : Country : Phone : Fax : E-mail :  I would like to receive a price estimate

Our customer support remains at your disposal for any maintenance or repair, calibration, supplies and spares.Für Servicearbeiten und Kali

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7 TABLE OF CONTENTS IMPORTANT USER INFORMATION....1 CALIBRATION CERTIFICATE ...

8 6.3.5 Traceability to World Radiometric Reference.....35 7 FREQUENTLY ASKED QUESTIONS (FAQ’S).......37 8 TROUBLE