Why Measure?





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Why Measure?

Because there are virtually no direct, on-line methods of determining cure, and the fact that there is a substantial variation in types of UV lamps, the UV exposure conditions must be measured and correlated with the cure result.

UV measurements fall into two categories:

  1. Laboratory measurements used to optimize the UV exposure and allow the duplication of the appropriate UV exposure required for “cure,” and
  2. Production monitoring for the purpose of verifying that the exposure is maintained within predetermined limits.

The reasons for –and the objectives of – these two measurement activities are different. These are discussed in this section.