Normy DIN - Německé národní normy - strana 18502

Amendment No. 3 to IEC 721-3-7; classification of environmental conditions; classification of groups of environmental parameters and their severities; portable and non-stationary use; addition to table II: high air temperature; low air pressure.

NEPLATNÁ vydána dne 1.11.1993

Amendment No. 1 to IEC 721-3-9; classification of environmental conditions; part 3: classification of groups of environmental parameters and their severities; section 9: microclimates inside products; introduction in table 1 of severity 75 % for class Y2 (limited relative humidity).

NEPLATNÁ vydána dne 1.5.1994

Amendment No. 2 of IEC 60721-1: classification of environmental conditions; part 1: environmental parameters and their severities; table 1 item 7: electromagnetic disturbance.

NEPLATNÁ vydána dne 1.7.1994

Classification of environmental conditions - Amendments to sections 1 to 7 of IEC 60721-3: Classification of groups of environmental parameters and their severities, introducing climatic classes for tropical areas.

NEPLATNÁ vydána dne 1.11.1994

Second draft; publication 721-3: application of classified environmental parameters and their severities; 721-3-3: stationary use, including handling during use and service, at weather-protected locations.

NEPLATNÁ vydána dne 1.7.1982

Second draft; publication 721-3: application of classified environmental parameters and their severities; 721-3-4: Stationary use, including handling during use and service, at locations not weather-protected.

NEPLATNÁ vydána dne 1.7.1982

Draft publication 721-3: application of classified environmental parameters and their severities; publication 721-3-7: portable use.

NEPLATNÁ vydána dne 1.5.1984

Electrical engineering; classification of environmental conditions; titles of the parts of IEC 721; identical with IEC 75(Secretariat)49.

NEPLATNÁ vydána dne 1.2.1986

Originaltitel der IEC: draft; publication 721-3: classification of groups of environmental parameters and their serverities: publication 721-3-0A: first supplement to 721-3-0: introduction; duration and frequency of occurrence.

NEPLATNÁ vydána dne 1.11.1984

Draft - publication 721-3: classification of groups, of environmental parameters and their severities; publication 721-3-1: storage.

NEPLATNÁ vydána dne 1.10.1984