Replacement of parts other than the light source may be required in a shorter period. Time varies depending on usage conditions and environment. Measured by acceleration test assuming use of 0.04 - 0.20 mg/m3 of particulate matter. Approximate time until brightness decreases 50% from first usage. Colour light output measured in accordance with IDMS 15.4 white light output measured in accordance with ISO 21118.ΔΆ No required maintenance for the light source up to 20,000 hours. 1 Colour brightness (colour light output) and white brightness (white light output) will vary depending on usage conditions.
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