Page 18 - 4150

Unit 4

Choice of the means of measurement

I Read and memorize the following words and word –
combinations:
equipment – обладнання
assessment – оцінка
plain measurement – прості вимірювання
comparator –порівнювач
frequency – частота
robustness – міцність
to evolve – розвивати
to prevail – мати перевагу
technological obsolescence – технічне старіння
to purchase – купувати
purchase – покупка
negligible – незначний
to deliver – доставляти
rejected instruments – браковані інструменти
advertising –реклама

II Read and translate the text.

Introduction
The choice of the material and/or the equipment must be based on
specifications. To make this choice, you must take into consideration:
– the technical needs;
– the possibilities of calibration;
– the assessments already made;
– the economic conditions (last, for the technical specifications
have to be seen first).
Practicing metrology is not simply doing plain measurements. To
begin with, a special material has to be used, which means that you do
not simply use any dimensional comparator lying about on a shelf,
you do not borrow a frequency meter from a colleague and you do not

16