Holophane's LED luminaire rivals 150W metal halide lamps
Ratio uses 48 LEDs to provide a light output (10,500 lumens) equivalent to a 100-150W metal halide lamp.
It is a post top luminaire manufactured from fully cast aluminium housing and engineered to produce illumination equivalent to a traditional 150W metal halide lamp. A light level of 10,500 lumens with a correlated colour temperature of 6,500K is produced.
The 48 Philips Lumileds LEDs offer a 50,000 hour life at 1,000mW with 70 per cent lumen maintenance, thus greatly reducing maintenance requirements and cost of ownership.
Optical control is achieved by individual refractors that influence each LED independently. The driver module is mounted at the base of the column for maximum thermal management. Ratio is available as a complete lighting solution with bespoke Holophane conical steel and conical aluminium columns.
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