LED testing system for the luminous flux, spectrum, color, and color Rendering index of SMD LEDs and onboard LEDs
Main features
High-Quality light meter made of a combination of a spectroradiometer and integrating sphere. Thermoelectric LED socket for LED junction temperature control. Automated measurement process. Conforms to CIE S025, LM-79-08, and DIN 5032 Part 9
Range of measurement
Luminous flux from 0.5 mlm to 200,000 lm, spectral range 350 nm to 1050 nm, Bandwidth 2 nm with optical bandwidth correction according to CIE 214
Typical applications
Inspection of incoming products (SMD-LEDs), testing corresponding to manufacturer¡¯s pulsed mode binning, quality assurance in production processes, design
Calibration
For LEDs with diffuse and regular illumination characteristics. Factory calibration. Traceable to international standards
Product
LEDA-7-TEC
Adjustable range from +25 ¡ÆC to +85 ¡ÆC +/-1 ¡ÆC
PT100 sensor integrated in the heat conducting block for precise temperature measurement close to the DUT
Peltier element with 250W for heating and cooling
Extensive heat exchanger with silent fans for rapid heating and cooling
Separate current supply and voltage measurement of the test LED through quadripole contact technique
Optional measurement adapter for onboard LEDs up to 70 mm ¨ª
Optional measurement adapter for SMD single LEDs
Measurement of thermal measurement parameters in accordance with DIN 5032-9, LM-79-08 and CIE S025
Housing
Dimensions: 800 mm x 430 mm x 700 mm
Weight: approx. 20 kg (when empty)
Color: light grey or black
The measurement system is as well available without the cabinet in smaller dimensions.
Electrical supply and measurement of the DUT
Source-meter model 2420 (KEITHLEY)
- Max. 60V, 3A, 60W
- CW and pulsed operation
- Trigger for timed synchronization of the light meter in pulsed operation
Measurement of electrical measurement parameters in accordance with DIN 5032-9, LM-79-08 and CIE S025