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LGS 1000 goniophotometer system

Instrument Systems has introduced the compact LGS 1000 goniophotometer system, which it states guarantees precise determination of the spatial radiation characteristics of solid state lighting (SSL) products as well as lamps and luminaires. In addition, energy efficiency can be tested and evaluated in accordance with the European Ecodesign Directive for energy-related products.

Instrument Systems’ burning position correction permits measurement of all photometric quantities of the device under testing a luminaire orientation other than the designed burning position. The mechanical design enables a comfortable setup of the operational position necessary for correction and determination of correction data using the auxiliary photometer method, in conformity with the latest international standard CIE S 025 and its European pendant EN 13032-4, in force since August 2015. 

As it allows turning the sample into designed burning position even when switched on, there is no need for renewed thermal stabilisation of the light source. This minimises the effect of the correction process on valuable measuring time.

A new application in SpecWin Pro software facilitates the creation of storable correction files. They can be reused at any time for test specimens of the same design with a similar spatial radiation pattern.


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