Metal halide lamps, also known as HQI lamps, have been in use since the mid-1960s. They are still widely used today and belong to the group of high-pressure discharge lamps.
Their continuing high popularity is due in particular to their excellent photometric performance: They offer an extremely high luminous flux of up to 230,000 lm, a very economical luminous efficacy of up to 115 lm/watt, and an excellent colour rendering index (Ra / CRI) of up to 90 compared to other discharge lamps.
Optimal and standard-compliant lighting and illumination of the sports facilities for pure sports use can still be achieved with conventional lighting – effectively and cost-saving.
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