JJG 722-2018
Standard Digital Clocks (English Version)

Standard No.

JJG 722-2018

Language

Chinese, Available in English version

Release Date

2018

Published By

National Metrological Verification Regulations of the People's Republic of China

Latest

JJG 722-2018

Replace

JJG 722-1991

Scope

This procedure applies to the initial verification, subsequent verification and in-use inspection of standard digital clocks (including GNSS timing standard digital clocks).

JJG 722-2018 Referenced Document

• JJF 1180 Glossary and Definition of Time and Frequency Metrology
• JJF 1403 Calibration Specification for GNSS Receivers Used in Time Measurement
• JJG 1004 Hydrogen Atomic Frequency Standards
• JJG 181 Quartz Crystal Frequency Standards
• JJG 292 Verification Regulation of Rubidium Atomic Frequency Standards

JJG 722-2018 history

• 2018 JJG 722-2018 Standard Digital Clocks
• 1991 JJG 722-1991 Varification Regulation of Standard Digital Clock