29-04-2017, 22:25
Nothing really to do with Weatherduino, but an interesting instrument working, it would appear, on the same principle as a thermopile.
http://www.ebay.co.uk/itm/292093566463?_...EBIDX%3AIT
http://www.belfort-inst.com/Model_5-3850A.htm
Just for interest!
http://www.ebay.co.uk/itm/292093566463?_...EBIDX%3AIT
http://www.belfort-inst.com/Model_5-3850A.htm
Just for interest!