JJF 1229-2009
Mass and Density Terms in Metrology and Their Definitions (English Version)

Standard No.

JJF 1229-2009

Language

Chinese, Available in English version

Release Date

2009

Published By

National Metrological Technical Specifications of the People's Republic of China

Status

Be replaced 2022-06

Replace By

JJF 1229-2021

Latest

JJF 1229-2021

Scope

This specification is used for formulating and revising technical regulations on quality measurement, and can also be used as a reference in other aspects of quality measurement work and related fields.

JJF 1229-2009 Referenced Document

• JJF 1181-2007 Weighing Instrument Term in Metrology and Their Definitions
• JJG 156-2004 Table Balances
• JJG 171-2004 Ralative Density Balance for Liquid
• JJG 98-2006 Verification Regulation for Mechanical Balance
• JJG 99-2006 Weights Regulation of weights

JJF 1229-2009 history

• 2021 JJF 1229-2021 Mass and Density Metrological Terms and Their Definitions
• 2009 JJF 1229-2009 Mass and Density Terms in Metrology and Their Definitions
• 1970 JJF 1229-1990 1×10^-3>~1 Pa vacuum reference operation technical specification