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measure of sky radiation click to hear : measure of sky radiation

Sky radiation: indirect solar radiation that passes through cloud and diffuses on the Earth’s surface.
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See measure of sky radiation in : french | spanish
pyranometer data logger sensor shadow band

pyranometer click to hear : pyranometer

Instrument designed to measure overall or indirect solar radiation.

data logger click to hear : data logger

sensor click to hear : sensor

It converts indirect solar energy into electricity: the higher the levels of sky radiation, the more electrical current is generated.

shadow band click to hear : shadow band

It shields the pyranometer from direct sunlight, allowing only indirect sunlight to be measured.