The Pyranometer need protection of other electronic components and ability to rely on withstand wind and rain erosion by optical domes.
There have a big optical dome and a small optical domes used to ISO 9060 Secondary Standard and ISO 9060 First Class Pyranometer. The more common size were 30mm and 50mm optical domes in a few years ago. With the update of technology, the electronic components become smaller, Smaller dome is more used.
CLZ Precision Optics is specialize in manufacturing optical domes, we have more than 30 different specifications of dome, Part of them is protection Pyranometer. We successfully provide optical dome to a Japanese customer in 2017. The customer evaluation of our optical dome, high quality with good price.