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GB/T 42826-2023: Radio-controlled clocks - Signal receiving measurement method
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| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 42826-2023 | English | 194 |
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Radio-controlled clocks - Signal receiving measurement method
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GB/T 42826-2023
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Basic data | Standard ID | GB/T 42826-2023 (GB/T42826-2023) | | Description (Translated English) | Radio-controlled clocks - Signal receiving measurement method | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | Y11 | | Classification of International Standard | 39.040.20 | | Word Count Estimation | 10,178 | | Date of Issue | 2023-08-06 | | Date of Implementation | 2024-03-01 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 42826-2023: Radio-controlled clocks - Signal receiving measurement method---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
ICS 39.040.20
CCSY11
National Standards of People's Republic of China
Radio clock signal reception test method
(ISO 23346.2020,IDT)
Published on 2023-08-06
2024-03-01 Implementation
State Administration for Market Regulation
Released by the National Standardization Administration Committee
Foreword
This document complies with the provisions of GB/T 1.1-2020 "Standardization Work Guidelines Part 1.Structure and Drafting Rules of Standardization Documents"
Drafting.
This document is equivalent to ISO 23346.2020 "Radio-controlled Clock Signal Reception Test Method".
Please note that some content in this document may be subject to patents. The publisher of this document assumes no responsibility for identifying patents.
This document is proposed by China Light Industry Federation.
This document is under the jurisdiction of the National Watch and Clock Standardization Technical Committee (SAC/TC160).
This document was drafted by. Xi'an Light Industry Watch Research Institute Co., Ltd., Shenzhen Titan Clock Technology Co., Ltd., Dongguan Shengbang
Electronic Technology Co., Ltd., Zhangzhou Hengli Electronics Co., Ltd., Changzhou Jingke Industrial Co., Ltd., Shenzhen Precision Timepiece Technology Co., Ltd.,
Yantai Polaris Watch (Group) Co., Ltd., Zhangzhou Xinweishi Watch Co., Ltd., Fujian Ruida Seiko Co., Ltd., Zhangzhou Ying
Zi Watch Co., Ltd., Dongguan Deli Watch Co., Ltd., Fujian Jibang Electronics Co., Ltd., Yantai Jijiu Watch Co., Ltd., Yunnan Power Grid Co., Ltd.
Co., Ltd. Electric Power Research Institute, Shandong Liaocheng Zhongtai Watch Industry Co., Ltd., Yantai Watch Research Institute Co., Ltd.
The main drafters of this document. Zhao Yan, Chen Bin, Deng Jianjun, Sha Jianzhou, Wu Xiameng, Shao Yueming, Zhuang Manyi, Zhang Yeqing, Zhao Qile, He Guangxian,
Yu Hongyun, Yu Tao, Li Yong, Jiang Wei, Li Xia, Chen Huangting, Liang Weihao, Yao Junye, Xie Xinhua, Chen Yili, Sun Yukai, Qiu Xuqiang, Wu Bo, Yu Hong,
Wang Guangxue, Song Zhen, Yang Jiaye, Mu Hongbing.
Radio clock signal reception test method
1 Scope
This document defines the terms and definitions of radio-controlled clocks and describes general test methods for signal reception.
This document is applicable to radio-controlled clocks with pointer indication or/and liquid crystal display or/and LED (light-emitting diode) display. Radio-controlled clock movements can also be used.
Use accordingly.
2 Normative reference documents
This document has no normative references.
3 Terms and definitions
The following terms and definitions apply to this document.
3.1
radio-controlledclock
A quartz clock that can receive time code signals (3.2) and automatically calibrate the time and calendar based on the received signals.
3.2
time code signal standardtimesignal
A time-coded modulated signal broadcast by the national statutory timing agency in the form of long-wave radio.
Note. For specific information on the world's major time code signals, see Appendix A.
3.3
receivingstate receivingstate
The state when the radio-controlled clock (3.1) receives the time code signal (3.2).
4 Signal reception test method
4.1 Test conditions
4.1.1 General environment
The ambient temperature of the test is 18℃~25℃, the temperature fluctuation during the entire test process is not more than 2℃, and the relative humidity is 30%~70%.
4.1.2 Power supply
The supply voltage of the sample being inspected should be the nominal working voltage.
4.1.3 Pre-shipment
The inspected samples should be transported in the environment specified in 4.1.1 for no less than the specified time before testing.
4.2 Instruments and equipment
The resolution and maximum allowable error of test instruments and equipment are shown in Table 1.
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