Illuminance Measurement

Lux Metre

Measures the light falling on a particular spot.

It also gives a good idea of the energy falling on a Photo Voltaic or Solar Thermal panel.

A luminance metre would be used to measure the light source.

Light level: 000 lux

(if your device has a light sensor) use Firefox and cover the sensor to activate.


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Try Google Chrome or Firefox to see the graph.