Kipp&Zonen SOLYS 2 Sun Tracker - Manual (Page 40)

4.10 MOUNTING KIPP & ZONEN RADIOMETERS WITH VENTILATION UNIT
Figure 4.13 indicates the mounting holes in detail for mounting up to three Kipp ventilation units.
Figure 4.13: Kipp & Zonen radiometers mounting holes with Ventilation unit (CVF 3)
Figure 4.18: Kipp & Zonen Pyranometer with CVF 3 Installation Diagram