FIELD: physics.
SUBSTANCE: several product features are determined using several physical measurement techniques in order to check integrity of products in containers and based on the measurement results, a "good/bad" signal is generated, for which several measurement results are compared with each other. Comparison involves summing up deviation of separate measurement results from a standard value at defined conditions after weighting and standardisation and comparing the sum with a threshold value. The measurement results may also form multidimensional space in which one or more boundary surfaces bound "good" and "bad" ranges of values from each other. If a "bad" signal is generated, the respective container is excluded from the production process.
EFFECT: ensuring integrity of products with high reliability by checking several product features, checking containers in sealed state.
8 cl, 1 dwg
