Kippzonen POM-02 Sky Radiometer Manuel d'utilisateur télécharger pdf (Page 11)

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4. ： Scattering direction Skyradiometer steps clockwise (morning) and counterclockwise (afternoon)

while sun altitude is below 75deg.

Skyradiometer steps to zenith direction while sun altitude is over 75deg.

Scattering angle ： Max 24 point (depending on sun altitude)

0,2,3,4,5,7,10,15,20,25,30,40,50,60,70,80,90,100,110,120,130,140,150,160

Azimuth measurement

φ=0

φ=180

counterclockwise

Zenith measurement

Direction of scanning

1 2 ... 6 7 8 9 10 11 12 13 14 15 16 ... 20 21

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Kippzonen POM-02 Sky Radiometer Manuel d'utilisateur Page 11