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Why are my luminescence numbers different from those in the product information sheet?

Luminescence values are relative and depend on the experimental system. For example, luminometers from two different manufacturers each may have 6-log capability, but one may measure a range of 1 to 1,000,000 relative light units (RLU) while the other measures 0.01 to 10,000 RLU. Both instruments can measure a dynamic range of 6-log units, but they read out different arbitrary units.

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