SJ 20225-1993
Verification regulation of LF group delay measuring set (English Version)

Standard No.

SJ 20225-1993

Language

Chinese, Available in English version

Published By

Professional Standard - Electron

Status

Withdraw

Latest

SJ 20225-1993

Scope

This calibration procedure stipulates the calibration conditions, calibration items, calibration methods, calibration result processing and calibration cycle of the low-frequency group delay measuring instrument. This calibration procedure is applicable to the calibration of low-frequency group delay measuring instruments.

SJ 20225-1993 history

• 1970 SJ 20225-1993 Verification regulation of LF group delay measuring set