KS C 7521-1977
Standard lamps of luminous intensity (General use)

Standard No.

KS C 7521-1977

Release Date

1977

Published By

Korean Agency for Technology and Standards (KATS)

Status

Be replaced

Replace By

KS C 7521-1985

Latest

KS C 7521-2020

Replace

KS C 7521-1971

Scope

This standard specifies the luminance standard for general gases used at distribution temperatures below 2856K.

KS C 7521-1977 history

• 2020 KS C 7521-2020 Standard lamps of luminous intensity (general use)
• 1985 KS C 7521-1985 Standard lamps of luminous intensity (General use)
• 1977 KS C 7521-1977 Standard lamps of luminous intensity (General use)
• 0000 KS C 7521-1971