![Sunphotometers](https://d27wgn5g4t3wja.cloudfront.net/img/4c0a3ab0-1422-08df-aac9-b2bbf5904f4a/20292.png)
Sunphotometers
SP02 & SP02-L - Middleton Solar (Middleton Solar)
The Middleton Solar SP02 Sunphotometer is a simple low-cost instrument for the determination of the spectral optical depth of the atmosphere. It can be configured for total & aerosol optical depth measurement, column ozone measurement, and assessment of water vapour amounts. It consists of four precision spectro-pyrheliometers axially aligned in a sealed enclosure.