NF EN 60654-1 : 1993

1. Scope
2. Normative references
3. General
4. Location classes with respect to climatic conditions
4.1 Air conditioned locations (Class A)
4.2 Heated and/or cooled enclosed locations (Class B)
4.3 Sheltered locations (Class C)
4.4 Outdoor locations (Class D)
4.5 Climatic condition parameters
Annex A. Climatogram for location classes
Annex ZA. (normative) Other international publications
quoted in this standard with the references of the
relevant European publications
Figures
A.1 Location Class A1 Presentation 1
A.2 Location Class A1 Presentation 2
A.3 Location Class B1 Presentation 1
A.4 Location Class B1 Presentation 2
A.5 Location Class B2 Presentation 1
A.6 Location Class B2 Presentation 2
A.7 Location Class B3 Presentation 1
A.8 Location Class B3 Presentation 2
A.9 Location Class C1 Presentation 1
A.10 Location Class C1 Presentation 2
A.11 Location Class C2 Presentation 1
A.12 Location Class C2 Presentation 2
A.13 Location Class C3 Presentation 1
A.14 Location Class C3 Presentation 2
A.15 Location Class D1 Presentation 1
A.16 Location Class D1 Presentation 2
A.17 Location Class D2 Presentation 1
A.18 Location Class D2 Presentation 2
National annex NA (informative) Committees responsible

Gives users and suppliers of industrial-process measurement and control systems and parts of such systems a uniform listing of the selected environmental conditions to which equipment may be exposed in specified locations. Does not consider maintenance and repair conditions. Helps in the choice of severity levels for use in the development of evaluation specifications of industrial-process measurement and control equipment.