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Technical environment
Technical environment
Estándar global 220V-240V/50Hz-60Hz
Standard for USA/Canada 120V/60Hz, 277V/60Hz
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Our contents are shown to you in English. Product data is displayed for a technical region using USA/Canada 120V/60Hz, 277V/50Hz-60Hz.

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The importance of high chromaticity locus stability

SDCM in comparison

Avoiding visual color differences

The SDCM (Standard Deviation of Color Matching) measured value specifies the chromaticity locus stability of LEDs: this is important particularly for the operating duration of LED luminaires. The human eye is very sensitive to the color differences in light sources. The lower the SDCM value, the tighter color tolerance is. ERCO uses high-power LEDs with SDCM<2 (<3 up to 50,000h) to maintain their high quality, prestigious impression across the complete operating duration of the lighting installation. The animation illustrates the effect of chromaticity locus stability for 50,000 operating hours. ERCO luminaires with high-power LEDs with SDCM<3 for up to 50,000 operating hours (on left) display no significant color differences. Luminaires with standard LEDs with SDCM<5 for up to 50,000 operating hours (on right) display clearly visible color differences.

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