Guides
Reference material
A test procedure states what to do; the standard it belongs to states what passes. These guides cover what sits underneath both, and applies whichever instrument class you are evaluating — which quantity is being measured, which reference field the measurement was made in, what the uncertainty is doing, and how to read the result.
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Ambient and directional dose equivalent
Which operational quantity an instrument declares determines its reference quality and every relative response computed from it.
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Reference radiation qualities
The reference fields the tests are performed in, how they are designated, and why mean energy alone does not identify a quality.
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Measurement uncertainty in the evaluation
What the ± value alongside each result represents, how it propagates, and its deliberate exclusion from the acceptance decision.