Hungarian Trade Licensing Office MKEH

MKEH is the national metrology institute of Hungary. The optical section at MKEH has a long history (70 years). Our experience is demonstrated in the field of radiometry, photometry and optical properties of materials within 7 CCPR Key Comparisons. MKEH has a goal of high power LED accelerated lifetime determination based on the junction temperature measurement.

MKEH has experience in high-quality current-to-voltage converters for photodiode applications and applied temperature measurement skills as well. The ongoing scientific key activities at MKEH on LEDs are: Temperature controlled high power LED standard development, LED stability measurement and LED colour measurement.