GB/T 20408-2016 English PDF

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GB/T 20408-2016: Radio-controlled analogue clocks
Status: Valid

GB/T 20408: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 20408-2016	299	Add to Cart	3 days	Radio-controlled analogue clocks	Valid
GB/T 20408-2006	439	Add to Cart	3 days	Radio-controlled clocks	Obsolete

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Basic data

Standard ID: GB/T 20408-2016 (GB/T20408-2016)
Description (Translated English): Radio-controlled analogue clocks
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: Y11
Classification of International Standard: 39.040.20
Word Count Estimation: 15,129
Date of Issue: 2016-02-24
Date of Implementation: 2016-09-01
Older Standard (superseded by this standard): GB/T 20408-2006
Quoted Standard: GB/T 2828.1; GB/T 2829; GB/T 6046
Regulation (derived from): National Standard Announcement No
Issuing agency(ies): General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China
Summary: This standard specifies the technical requirements, test methods, inspection rules, marking, packaging, transportation and storage of the pointer type radio clock (hereinafter referred to as radio clock). This standard applies to the nominal operating voltage of DC1.50 V or DC3.00 V of the radio clock, other nominal operating voltage of the radio and bell clock movement can also refer to the use of.

GB/T 20408-2016: Radio-controlled analogue clocks

---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.
Radio-controlled analogue clocks ICS 39.040.20 Y11 National Standards of People's Republic of China Replacing GB/T 20408-2006 Pointer clock 2016-02-24 released 2016-09-01 implementation General Administration of Quality Supervision, Inspection and Quarantine of the People 's Republic of China China National Standardization Management Committee released

Foreword

This standard is drafted in accordance with the rules given in GB/T 1.1-2009. This standard replaces GB/T 20408-2006 "pointer type radio clock", compared with GB/T 20408-2006, the main technical changes are as follows. - modified the scope of application of the standard (see Chapter 1); - modified the definition of the term "radio bell" (see 3.1); - modify the term "standard time signal" to "time code signal" (see 3.2); - the addition of the terms and definitions of the "base" (see 3.3); - modified the "travel state" definition (see 3.6); --- Removes the terms and definitions of the "bell clock mode", "Quartz clock mode", "Average power consumption current" - Added the terms and definitions of "automatic reception" (see 3.9); --- modify the average power consumption current technical indicators (see Table 1); --- modified reception sensitivity (see 4.4.1); --- removed the "mode conversion" and "pointer adjustment" requirements and test methods; - the contents of the "noise level" in the signal field strength are deleted (see 4.6.1, 5.1.3, 5.3.6, 5.3.7); --- modified the average instantaneous difference and the voltage coefficient of the index requirements (see Table 3); - add a note to the "additional function" requirement (see 4.17); - modified "instrumentation" requirements (see 5.2); - modified "positioning" test method (see 5.3.5); - modified "acceptance times" test method (see 5.3.7); --- modified the factory to test the "use of reliability", "average power consumption" and "positioning bias" of the reception quality limit (see Table 5); --- modified type test "working voltage" "operating temperature" "average power consumption" "positioning time" "positioning deviation" "indicates calibration" "Receiving times" "Auto recovery" "Manual reception" "Voltage factor" "Temperature factor" and "Appearance" of the unqualified quality level, qualified The number of judgments and the number of nonconformities (see Table 6); --- modified "packaging" requirements (see 7.2.3). This standard is proposed by the China Light Industry Federation. This standard by the National Standardization Technical Committee (SAC/TC160) centralized. The drafting of the standard units. Xi'an Gaohua Technology Co., Ltd., light industry watches and clocks, Shenzhen City Overlord Industrial Group Co., Ltd., deep Shenzhen Titan Clock Watch Co., Ltd., Fujian Ji Bang Electronics Co., Ltd., Guangzhou Fidelity Watch Industry Co., Ltd., Shandong Kang Pakistan Industry Co., Ltd., Zhangzhou Haibo Industry and Trade Co., Ltd. The main drafters of this standard. Wang Bin, Bao Guoxin, Jin Yingshu, Chen Bin, Liu Yi, Yin Xiaoyu, Deng Jianjun, Zhang Qian, Chen Yili, Luo Xiaomei, Meng Baoquan, Tian Zhaoke, Pan Weiying, Huang Yuanbin, Huang Yuanfeng. This standard replaced the previous version of the standard release. --- GB/T 20408-2006. Pointer clock

1 Scope

This standard specifies the technical requirements, test methods, inspection rules, signs, packaging and transportation of the pointer type radio bell (hereinafter referred to as radio bell) And storage. This standard applies to the nominal operating voltage of DC1.50V or DC3.00V radio clock, the other nominal operating voltage of the radio clock and electricity Wave clock movement can also refer to the use.

2 normative reference documents

The following documents are indispensable for the application of this document. For dated references, only the dated edition applies to this article Pieces. For undated references, the latest edition (including all modifications) applies to this document. GB/T 2828.1 Sampling inspection procedures Part 1. Batch inspection sampling plan for retrieval by quality limit (AQL) GB/T 2829 Periodic inspection count Sampling procedures and tables (for inspection of process stability) GB/T 6046 pointer quartz clock

3 terms and definitions

The following terms and definitions apply to this document. 3.1 Pointer radio clocks radio-controledanalogueclock A quartz clock capable of receiving a time code signal and calibrating the time according to the received signal. 3.2 Time code signtimesignal The time-coded modulation signal is transmitted by the national legal time-sending organization in the form of a radio long wave. 3.3 Datumposition datumposition The reference position used to adjust the hour, minute, and second hand time indication is the basis for the indication of the calibration. 3.4 Positioning Radio clock automatically adjust the time, minutes, seconds to the base bit of the process. 3.5 Receive state The state of the radio signal when the time signal is received. 3.6 Walking state The radio clock is in the normal operation state of the positioning, reception time code signal and indicating the calibration. 3.7 Time indication calibration timeindicatingregulation When the radio clock is completed, the time signal is received and processed. After adjusting the radio clock, the minute hand indicates the time information. ......

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