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GB/T 22777-2019 English PDF

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GB/T 22777-2019: Numeral information calendars
Status: Valid

GB/T 22777: Historical versions

Standard IDUSDBUY PDFLead-DaysStandard Title (Description)Status
GB/T 22777-2019279 Add to Cart 3 days Numeral information calendars Valid
GB/T 22777-2008479 Add to Cart 3 days Numeral information calendars Obsolete

Similar standards

GB/T 38023   GB/T 30106   QB/T 4055.2   GB/T 22778   GB/T 22779   

Basic data

Standard ID: GB/T 22777-2019 (GB/T22777-2019)
Description (Translated English): Numeral information calendars
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: Y11
Classification of International Standard: 39.040.20
Word Count Estimation: 14,181
Date of Issue: 2019-08-30
Date of Implementation: 2020-03-01
Older Standard (superseded by this standard): GB/T 22777-2008
Quoted Standard: GB 1002; GB/T 2828.1; GB/T 2829; GB 4706.1-2005; GB/T 5023.5; GB/T 6046
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration
Summary: This standard specifies the requirements, test methods, inspection rules, marking, packaging, transportation and storage of digital information calendars (hereinafter referred to as information calendars). This standard applies to digital clock products that display basic information and additional information such as time, date, week, etc. in LED digital form.

GB/T 22777-2019: Numeral information calendars

---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.
Numeral information calendars ICS 39.040.20 Y11 National Standards of People's Republic of China Replace GB/T 22777-2008 Digital information calendar Published on.2019-08-30 2020-03-01 implementation State market supervision and administration China National Standardization Administration issued

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009. This standard replaces GB/T 22777-2008 "Digital Information Calendar". Compared with GB/T 22777-2008, the main technical changes are as follows. --- Modified the "scope" (see Chapter 1); --- Updated normative references (see Chapter 2); ---Modified the "flag" requirement (see 4.1); --- Removed the requirement for cumulative error in "Work Reliability" (see 4.4); --- Removed the "instantaneous daily difference" requirement; --- Revised the indicator of "real walking difference" (see 4.5); ---Modified the requirements of "input power and current" (see 4.6); ---Modified the "memory function" requirements and test methods (see 4.11, 5.3.12); --- Revised the "moisture resistance" requirements and test methods (see 4.14, 5.3.16); --- Modified the "display synchronization" requirement (see 4.17.1); --- Added "temperature indication function" requirements and test methods (see 4.18, 5.3.22); ---Modified "power supply" (see 5.1.2); ---Modified "instrument equipment" (see Table 2); ---Modified the test method for "power cord and plug" and "component" (see 5.3.7, 5.3.8); --- Revised the "appearance" test method (see 5.3.17); --- Revised the type inspection of the "Power Cord and Plug" and "Component" items (see 6.2.1.3); --- Modified "Transportation Storage" (see 7.3.2). This standard was proposed by the China Light Industry Association. This standard is under the jurisdiction of the National Clock Standardization Technical Committee (SAC/TC160). This standard was drafted. Qingyuan Hongshun Electric Co., Ltd., Xi'an Light Industry Watch Research Institute Co., Ltd., Fujian Jibang Electronics Co., Ltd. Company, Yantai Long-lasting Watch Group Co., Ltd., Shenzhen Titan Clock Technology Co., Ltd. The main drafters of this standard. Jiang Canlin, Jin Yingshu, Chen Bin, Chen Yili, Qiu Xuqiang, Sun Yukai, He Guangxian, Deng Jianjun. The previous versions of the standards replaced by this standard are. ---GB/T 22777-2008. Digital information calendar

1 Scope

This standard specifies the requirements, test methods, inspection rules, marking, packaging, transportation and storage of digital information calendars (hereinafter referred to as information calendars). This standard is applicable to digital clock products that display basic information such as time, date, and week, and additional information in digital form.

2 Normative references

The following documents are indispensable for the application of this document. For dated references, only dated versions apply to this article. Pieces. For undated references, the latest edition (including all amendments) applies to this document. GB 1002 Single-phase plug and socket type and basic parameters and dimensions for household and similar purposes GB/T 2828.1. Sampling procedures for sampling by sampling - Part 1 . Batch-to-batch sampling plan, searched by AQL GB/T 2829 Cycle Inspection Counting Sampling Procedures and Tables (Applicable to Inspection of Process Stability) GB 4706.1-2005 Safety of household and similar electrical appliances - Part 1. General requirements GB/T 5023.5 PVC insulated cables of rated voltages up to and including 450 750V. Part 5. Flexible cables ( cords) GB/T 6046 pointer type quartz clock

3 electrical parameters

The electrical parameters of the information calendar are as follows. ---Rated voltage. AC220V; ---Rated frequency. 50Hz. Note. Electrical parameters with other requirements can be agreed between the supplier and the buyer.

4 requirements

4.1 Product logo The information calendar subject should be marked with the following signs. --- rated voltage or rated voltage range, in volts (V); --- symbol AC of the nature of the power; ---rated input power in watts (W); or rated current in amps (A); --- The name, trademark or identification mark of the manufacturer or responsible underwriter. The sign should be easy to read and durable. After the test specified in 5.3.1, the mark should be kept legible and easy to read. The sign should not be easily removed. crimping. The product mark can be found in Chapter 7 of GB 4706.1-2005. 4.2 Voltage range The information should not stop within the voltage range of AC180V~253V, and the display is normal. Note. The rated voltage has other required information, and the voltage range is determined by both the supplier and the buyer.
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