NC 90-15-33-1987
Metrological Assurance. 1 to 5. Class Registering Amperimeters, Voltmeters, Wattmeters and Variometers. Verification Methods and Means

Standard No.

NC 90-15-33-1987

Release Date

1987

Published By

CU-NC

Latest

NC 90-15-33-1987

Scope

This standard establis es the methods and means for verification by the direct comparis n method of ammeters, voltmeters, wattmeters and recording varimeters from 1st to 5th class, intended for the corresponding measurements of electrical magnitudes in current. direct or alternating current or both, in the frequency range of 20 to 20,000 Hz. This standard also includes the aforementioned measuring means that have an additional indication device to the recording device and the operating ones are excepted. electronic.

NC 90-15-33-1987 history

• 1987 NC 90-15-33-1987 Metrological Assurance. 1 to 5. Class Registering Amperimeters, Voltmeters, Wattmeters and Variometers. Verification Methods and Means