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HPG1900 GONIOPHOTOMETER (DOUBLE ARM VERSION )

HPG1900 is a type C goniophotometer. This system complies with the American Energy Star IES LM79 standard, European standard EN13032, GB/T9468 lamp distribution photometric test standard, etc.

Indoor light iso-illuminance curve:

⑴.Spatial iso-illuminance curve: The distribution of the iso-illuminance curve within a certain spatial area (a rectangle with a height of H and a width of d) in the plane C0 when the lamp is installed at a certain height.

⑵.Plane iso-illuminance curve: similar to the previous plane iso-illuminance curve, except that the installation height is set to 1 meter to display the iso-illumination curve.

              

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  • HPG1900 GONIOPHOTOMETER (DOUBLE ARM VERSION )

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    This system uses the method of fixing the detector and rotating the measured lamp to measure the light intensity distribution in all directions of the measured light source or lamp space. The main axis and the lamp axis adopt conductive slip rings with a precious metal fiber point brush structure

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