CIE Tutorial and Expert Symposium on the
CIE S025 LED Lamps, LED Luminaires and LED Modules Test Standard

November 23 – 26, 2015, PTB Braunschweig, Germany


CIE has recently published the first international measurement standard for LED Lamps, LED Luminaires and LED Modules, ie. CIE S025 ( ).

CIE Division 2 will present a two-day tutorial on the new standard which includes practical work in the laboratories of the Photometry and Applied Radiometry Departement of PTB. Special emphasis will be given to the evaluation of measurement uncertainties.

Invited experts will present lectures from basic concepts to advanced techniques in photometric and colorimetric measurements, aimed at engineers, testing-laboratory staff and researchers in LED and solid state lighting measurement and other related fields.

On the third day, a scientific symposium will feature contributed papers. Authors are invited to submit two-page extended abstracts of their proposed contributions, in English, no later than September 14, 2015,12:00 am CEST by e-mail to: The abstract template available from the conference webpage should be used. The extended abstracts should be suitable for publishing in an electronic format (if accepted).  Further information and details for registration to come.

In addition, meetings of CIE technical committees will be held and the intermediate results of two European research projects related to photometry and radiometry, i.e. MESaIL ( and NEWSTAR ( will be presented.



Tutorial: EUR 855,--/Symposium: EUR 205,--/Both: 1.000,--
Students: EUR 450,--/EUR 115,--/EUR 505,--
Members of CIE National Committees: EUR 640,--/EUR 145,--/EUR 725,--
Conference Dinner Eur 60,--

  • Registration

The programme:

  • November 23rd (evening):  Welcome Reception (The Reception starts at 18:30 and will be held at the Penta Hotel,  Auguststraße  6,  Braunschweig, 1.2 km from the Railway Station)
  • November 24thTutorial
  • November 25thTutorial (practical work)
  • November 25th: TC 2-77 Fundamental Concepts Evening Meeting
  • November 26thScientific symposium & Stakeholder Meeting MESaIL & NewStar

Draft Programme of CIE Tutorial Symposium & Stakeholder Meetings


Getting around Braunschweig:





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