NC 90-11-13-1987
Metrological Assurance. Installations to Verify Clocks. Methods and Means of Verification

Standard No.

NC 90-11-13-1987

Release Date

1987

Published By

CU-NC

Latest

NC 90-11-13-1987

Scope

This standard establis es the methods and means for the verification of watch testing facilities. It is applicable to all types of installations for checking watches, which use as an operating principle the capture of the sound of machinery running, through a microphone incorporated into the equipment.

NC 90-11-13-1987 history

• 1987 NC 90-11-13-1987 Metrological Assurance. Installations to Verify Clocks. Methods and Means of Verification