1 Scope
This International Standard specifies the minimum characteristics of instruments for
measuring physical quantities characterizing an environment as well as the methods
for measuring the physical quantities of this environment.
It does not aim to define an overall index of comfort or thermal stress but simply
to standardize the process of recording information leading to the determination of
such indices. Other International Standards give details of the methods making use
of the information obtained in accordance with this standard.
This International Standard is used as a reference when establishing
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a) specifications for manufacturers and users of instruments for measuring the physical
quantities of the environment;
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b) a written contract between two parties for the measurement of these quantities.
It applies to the influence of hot, moderate, comfortable or cold environments on
people.