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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.