... working pressure at a few PA) discharges to make visible light. Features1)High Lighting EffectivenessNLPSL has the highest lighting ... 36W LPSL used on a 8M lamp pole, is 24.51LUX. At the same height, A 85W energy ... . These lights are most sensitive to human eyes, with no aberration, but high distinguishes and good contrast.5 ... 36W LPSL used on a 8M lamp pole, is 24.51LUX. At the same height, A 85W energy ...