I.S. EN 60687:1993被替代
Alternating Current Static Watt-hour Meters for Active Energy (classes 0.2 s & 0.5 s)
出版：National Standards Authority of Ireland
專家解讀視頻
Describes type tests and lays down standard requirements for newly manufactured transformer operated static watt-hour meters of accuracy Classes 0.2 S and 0.5 S for the measurement of a.c. electrical active energy of a frequency within the range 45 Hz to 65 Hz.
IEC 60687 Ed. 2.0 - Identical
BS EN 60687:1993 - Identical
DIN EN 60687 (1994-02) - Identical
SN EN 60687:1992 - Identical
UNE EN 60687:1994 - Identical
SS EN 60687 Ed. 1 (1993) - Identical
