How can environmental control be incorporated into verification?

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Environmental conditions can influence how measurements behave, so verification should account for those factors. The best approach is to include environmental requirements in the verification plan: set acceptance criteria that specify the environmental conditions (like temperature, humidity, or vibration) under which the test must be performed, or perform the verifications exactly under those defined conditions. This ensures the results reflect how the instrument will perform in real use and that any environmental effects are considered in the decision about whether it passes.

Ignoring environmental factors means the verification might pass under ideal lab conditions but fail in actual operation. Trying to compensate for environmental noise by only adjusting the instrument doesn’t actually verify performance under real conditions and can mask underlying issues. Merely documenting environmental data after the test adds context but doesn’t ensure the test was performed in acceptable conditions or that those conditions were included in the acceptance criteria.