YDC's proprietary technology stitches 3 separate modules while maintaining high uniformity, better than 5%. This includes the edge frame area of each module that can block light from the light source. Uniformity is +/- 3% within illuminated area.

System Description

Effective Illumination Area: 900mm x 6000mm
Spectral Matching: Class A (IEC, JIS, ASTM)
Uniformity of Illumination Area:
+/- 3% for single module
+/- 5% for 3 modules (6000mm)
Stability: Class B (ASTM E927)
Flash Pulse Width: 10ms (flat zone measurement)
Lamp Life: > 500,000 pulses

Solar Simulator for PV Cells and Modules (PDF)