Kippzonen CHP 1 Pyrheliometer User Manual

Instruction ManualPyrheliometerCHP 1

10 4 PRINCIPLE COMPONENTS OF PYRHELIOMETERS The detector of the Kipp & Zonen CHP 1 pyrheliometer is based on a passive thermal sensing e

11 5 PYRHELIOMETER PHYSICAL PROPERTIES In this chapter the principal physical characteristics of the CHP 1 pyrheliometer are given. 5.1 Spe

12 5.6 Field of view Figure 4 shows the pyrheliometers optical construction. Figure 4: Optical construction The beam of light that reach

13 6 MEASUREMENT ACCURACY When a pyrheliometer is in operation, its performance is correlated to a number of parameters, such as temperatur

14 6.4 Non-stability This is the percentage change in sensitivity over a period of one year. This effect is mostly due to degradation by UV r

15 7 CALIBRATION 7.1 Calibration principle An ideal pyrheliometer gives voltage output that is proportional to the absolute irradiance level

16 8 RECALIBRATION Radiometer sensitivity changes with time and with exposure to radiation. Periodic calibration every two years is advised.

17 APPENDIX I RADIOMETRIC TERMINOLOGY Term Explanation Albedo The portion of incoming radiation which is reflected by a surface A

18 APPENDIX II 10K THERMISTOR SPECIFICATIONS YSI Thermistor 44031 - Resistance versus Temperature in °C -30 -22.0-29 -20.2-28 -18.4-27 -16.6-2

19 APPENDIX III PT-100 SPECIFICATIONS Pt-100 - Resistance versus Temperature in ºC and ºF -30 -22.0-29 -20.2-28 -18.4-27 -16.6-26 -14.8-25 -13

2 IMPORTANT USER INFORMATION Reading this entire manual is recommended for full understanding of the use of this product. Should you have an

20 APPENDIX IV MAIN SPECIFICATIONS Response time (95 %)Zero offsets due to temperature change (5 K/hr)Non-stability (change/year)Non-lineari

21 APPENDIX V LIST OF WORLD AND REGIONAL RADIATION CENTRES World Radiation Centres Davos (Switzerland) St. Petersburg (Russia) (data centr

22 APPENDIX VI RECALIBRATION SERVICE Pyrheliometers, Albedometers, Pyrgeometers, UV-Radiometers & Sunshine Duration Sensors Kipp &

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

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

4 TABLE OF CONTENTS IMPORTANT USER INFORMATION...

5 INTRODUCTION Dear customer, thank you for purchasing a Kipp & Zonen instrument. Please read this manual and the separate instruction sh

6 1 INSTALLATION AND OPERATION 1.1 Delivery Check the contents of the shipment for completeness (see below) and note whether any damage has

7 1.4 Electrical installation As standard the CHP 1 is supplied with a waterproof connector pre-wired to 10 m cable with a number of leads a

8 2 OPERATION 2.1 Measurement of direct solar radiation After completing the installation the pyrheliometer will be ready for operation. T

9 3 MAINTENANCE Once installed the pyrheliometer needs little maintenance. The window must be cleaned and inspected regularly, ideally every