Illumination

Illumination

HG34 - photometer

The photometer HG34 determines the illuminance of a horizontal surface by the light from the sky.  When used with an automatic weather station, this instrument can detect a cloud cover (even at night).  HG34 can handle all intensities ranging from star light to direct sunlight due to its silicon photo-element and built-in electronics.  The temperature dependence of the silicon photoelement is compensated for.

Additionally, the photometer is splash proof and built into stainless steel housing which allows it to be set up in the open.

Datasheet HG34


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