Обладнання для вимірювання та керування в промислових процесах. Умови експлуатації. Частина 1. Кліматичні умови

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1 2 З? 4 4.1 4.2 4.3 4.4 4.5

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INDUSTRIAL-PROCESS MEASUREMENT

AND CONTROL EQUIPMENT.

OPERATING CONDITIONS

Part 1. Climatic conditions
1 2 IEC 60721-3-2:1985 Classification of environmental conditions — Part 3: Classification of groups of environmental parameters and their severities — Transportation. Amendment 1 (1991);
(EC 60721-3-3:1987 Classification of environmental conditions — Part 3: Classification of groups of environmental parameters and their severities — Stationary use at weather-protected location. Amendment 1 (1991);
IEC 60721-3-4:1987 Classification of environmental conditions — Part 3: Classification of groups of environmental parameters and their severities — Stationary use at non-weatherprotected locations. Amendment 1 (1991).
(EC 60721-3-1:1987 З?

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4.2 4.3 4.4 4.5 ( ( ! 1 ‘ (4 (1 11 41 70

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