Kipp&Zonen POM-02 Sky Radiometer - Manual (Page 10)

Observation sequence
Skyradiometer operates during airmass is under registered value.
1. observation start end Airmass = 10
2. Aerosol observation interval Time (Every 10minute)
or Airmass (Every 0.25 step or 20minute)
3. Direct sun observation interval Time (60 sec )
Start Airmass =10 End Airmass =10
1st observation --- 9:00
2nd observation --- 9:10
3rd observation --- 9:20 Example. Time / Every 10minute
1st observation --- 4.50
2nd observation --- 4.25
3rd observation --- 4.00 Example. Airmass / Every 0.25
Example.Observation Starting/Ending Airmas 10