GB/T 30106-2013 PDF English
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Horology -- Water-resistant watches
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GB/T 30106-2013: Horology -- Water-resistant watches---This is an excerpt. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.), auto-downloaded/delivered in 9 seconds, can be purchased online: https://www.ChineseStandard.net/PDF.aspx/GBT30106-2013
GB
NATIONAL STANDARD OF THE
PEOPLE’S REPUBLIC OF CHINA
ICS 39.040.10
Y 11
GB/T 30106-2013 / ISO 22810:2010
Horology – Water-Resistant Watches
(ISO 22810:2010, IDT)
钟表 防水手表
ISSUED ON: DECEMBER 17, 2013
IMPLEMENTED ON: NOVEMBER 01, 2014
Issued by: General Administration of Quality Supervision, Inspection and
Quarantine;
Standardization Administration of PRC.
Table of Contents
Foreword ... 3
1 Scope ... 4
2 Terms and Definitions ... 4
3 Requirements ... 5
4 Test Methods ... 5
5 Marking ... 7
Annex A (Informative) Precautions in Use and Notions of Physics ... 9
Bibliography ... 11
Foreword
This Standard was drafted as per the rules specified in GB/T 1.1-2009.
This Standard used the translation method to equivalent adopt ISO 22810:2010
Horology - Water-Resistant Watches.
This Standard was proposed by China National Light Industry Council.
This Standard shall be under the jurisdiction of National Technical Committee on
Watches of Standardization Administration of China (SAC/TC 160).
Drafting organizations of this Standard: Shenzhen Taitanshi Clock and Watch Test Co.,
Ltd.; Horological Research Institute of Light industry; Zhuhai Rossini Watch Industry
Co., Ltd.; Shenzhen Rarone Watch Industry Co., Ltd.; Shenzhen Fiyta Science &
Technology Development Co., Ltd.; Shenzhen Tianwang Electronics Co., Ltd.; Fujian
Reida Precision Co., Ltd.; and Tianjin Haiou Watch Group Co., Ltd.
Chief drafting staffs of this Standard: Wang Yanmin, Jin Yingshu, He Guangxian, Wang
Yongning, Guo Xingang, Gao Xianglian, Luo Suyun, Zhang Ming, Liu Shengyong,
Zhang Kelai, Bian Gongfu, Jiang Xin, Wang Caifeng, and Ma Jing.
Horology – Water-Resistant Watches
1 Scope
This Standard establishes the requirements and specifies the test methods used to
verify the water resistance of watches. Moreover, it indicates the marking which the
manufacturer is authorized to apply to them.
Divers' watches, specified as such, are covered by ISO 6425 which establishes special
requirements.
2 Terms and Definitions
For the purposes of this Document, the following terms and definitions apply.
2.1 Water resistance
Ability to resist water penetration.
2.2 Water-resistant watch
Watch that resists water penetration.
NOTE: This Standard applies to the watch or the watch head.
2.3 Overpressure
Mechanical strain undergone during immersion, expressed in bar1), proportional to the
depth of immersion.
NOTE: Explanations and some useful notions of physics can be found in A.2.1 and A.2.2.
2.4 Immersion depth
Vertical distance, expressed in meters, separating the immersed watch from the water
surface.
1) 1 bar = 105Pa = 105 N/m2 and corresponds to 10m water depth.
......
Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al.
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