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Unit 3

Choice of the method of measurement

I Read and memorize the following words and word –
combinations:
to justify – пояснювати, оправдовувати
to possess – володіти
subjectivity – субєктивність
restraint – обмеження
scope – межі, рамки (можливостей, знань)
relevant – доречний, відповідний
precise – точний, чіткий
explicit – точній
environment – довкілля
to carry out – виконувати, проводити
dimension – вимір
quality assurance – гарантія якості

II Read and translate the text.

Accounting for the selection of the method
You have to justify the choice of the selected method. It is to be
understood by this that the criteria have to possess as little subjectivity
as possible. This choice must take possible restraints of qualification
into consideration. The fact is that within the scope of some contracts
(notably related to safety, public security, health, etc.) you may have
to qualify the method of measurement. This means it must be
subjected to an authenticated description, officially certified tests, etc.,
in accordance with the relevant program and by a very precise process.
Fortunately, it is often possible to hang on to the methods which are
known and officially accepted. You must not forget that the great
metrology laboratories can be a great help in this area. Whether the
method is qualified or not, it is important, after the metrological
objectives have been set, to make the methodology of the
measurement explicit. The different stages, the conditions of the

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