12-02-2017, 21:40
(12-02-2017, 21:31)JT118 Wrote: I have acquired an Apogee pyranometer from a police ebay auction and shall try that when I get it up from Somerset at Easter.
http://www.apogeeinstruments.co.uk/sp-11...ranometer/
Lucky guy!
I'm looking to get one of these, to help me to supply the Solar / UV kits even better calibrated.