EDTM – SP2065 DIGITAL SOLAR TRANSMISSION & POWER METER
Use this meter to evaluate solar performance. It provides excellent resolution, reading low light conditions more accurately than competitors, with no need for adjustments. The easy to read digital display toggles between power and transmission percentage mode. It's small, portable, and convenient to take out in the field. Can be switched to read in metric units. Powered by a 9-volt alkaline battery (included).