GJB 994A-2005
Specification for quartz marine chronometer (English Version)

Standard No.

GJB 994A-2005

Language

Chinese, Available in English version

Release Date

2005

Published By

Military Standard of the People's Republic of China-Commission of Science,Technology and Industry for National Defence

Status

Be replaced 2015-01

Replace By

GJB 994A-2014

Latest

GJB 994A-2014

Replace

GJB 994-1990

Scope

This specification stipulates the requirements, quality assurance regulations, delivery preparations, and instructions for quartz marine astronomical clocks (hereinafter referred to as astronomical clocks). This specification applies to analog quartz marine chronometers used on military ships.

GJB 994A-2005 Referenced Document

• GJB 150.1-1986 General Principles of Environmental Test Methods for Military Equipment
• GJB 150.10-1986 Environmental test methods for military equipment Mold testing
• GJB 150.11-1986 Environmental test methods for military equipment Salt spray test
• GJB 150.3-1986 Environmental test methods for military equipment High temperature test
• GJB 150.4-1986 Environmental test methods for military equipment Low temperature test
• GJB 150.9-1986 Laboratory environmental test methods for military materiel.Part 9:Damp heat test

GJB 994A-2005 history

• 2014 GJB 994A-2014 Specifications for marine use quarts chronometer
• 2005 GJB 994A-2005 Specification for quartz marine chronometer
• 1990 GJB 994-1990 quartz marine chronometer

GJB 994A-2005 Specification for quartz marine chronometer has been changed from GJB 994-1990 quartz marine chronometer.