NEN 10051-4 : 1991
Current
Current
The latest, up-to-date edition.
DIRECT ACTING INDICATING ANALOGUE ELECTRICAL MEASURING INSTRUMENTS AND THEIR ACCESSORIES - PART 4: SPECIAL REQUIREMENTS FOR FREQUENCY METERS
Published date
01-12-2013
Publisher
Applicable to direct acting indicating analogue frequency meters. Also applicable to non-interchangeable accessories used with frequency meters.
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