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JJF 1261.21-2017 English PDF

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US$809.00 · In stock
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JJF 1261.21-2017: Rules of Metrology Testing for Energy Efficiency of Digital Television Adapters(Set-Top Boxes)
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
JJF 1261.21-2017	809	Add to Cart	6 days	Rules of Metrology Testing for Energy Efficiency of Digital Television Adapters(Set-Top Boxes)	Valid

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Basic data

Standard ID: JJF 1261.21-2017 (JJF1261.21-2017)
Description (Translated English): Rules of Metrology Testing for Energy Efficiency of Digital Television Adapters(Set-Top Boxes)
Sector / Industry: Metrology & Measurement Industry Standard
Classification of Chinese Standard: A50
Word Count Estimation: 35,330
Date of Issue: 2017-09-26
Date of Implementation: 2017-12-26
Regulation (derived from): General Administration of State Quality Inspection Announcement 2017 No. 78
Issuing agency(ies): General Administration of Quality Supervision, Inspection and Quarantine

JJF 1261.21-2017: Rules of Metrology Testing for Energy Efficiency of Digital Television Adapters(Set-Top Boxes)

---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.
(Digital TV Receiver (Set Top Box) Energy Efficiency Measurement Testing Rules) People's Republic of China National Measurement Specifications Digital TV receiver (set-top box) Energy efficiency measurement inspection rules Adapters (Set-TopBoxes) 2017-09-26 Posted 2017-12-26 Implementation General Administration of Quality Supervision, Inspection and Quarantine released Digital TV receiver (set-top box) Energy efficiency measurement inspection rules TelevisionAdapters (Set-TopBoxes) Focal point. National legal measurement management measurement technical committee energy efficiency labeling measurement Testing sub-technical committee The main drafting unit. Liaoning Province Institute of Metrology Participate in the drafting unit. China Institute of Test Technology Guangdong Institute of Metrology China Electronics Technology Corporation Third Institute Sichuan Changhong Electric Co., Ltd. Source a long time Rong Technology Co., Ltd. The Code Commissioned by the National Metrology Measurement and Management Committee of the energy efficiency measurement measurement and measurement technology sub-technical The committee is responsible for explaining The main drafters of this specification. Tang Hong (Liaoning Province Institute of Metrology) Hao Song (Liaoning Provincial Institute of Metrology) Yang Chunsheng (China Test Technology Research Institute) Participate in the drafters. Wujiang Hong (Guangdong Institute of Metrology) Han Zhengtao (China Electronics Technology Corporation Third Institute) Tang Li (Sichuan Changhong Electric Co., Ltd.) Shen Lin (source a long time Technology Co., Ltd.)

Introduction (Ⅱ) 1 Scope (1) 2 References (1) 3 Terms and measurement units (1) 3.1 working condition (2) 3.2 passive standby (2) 3.3 receiver energy efficiency limit (2) 3.4 energy efficiency rating (2) 4 Overview (2) 5 measurement requirements (2) 5.1 Energy Efficiency Labeling (2) 5.2 Energy Efficiency Indicators (Energy Consumption) (2) 5.3 Energy Efficiency Rating (4) 6 test conditions (4) 6.1 Environmental conditions (4) 6.2 Measuring Equipment (4) 6.3 Measurement Uncertainty (5) 7 test items and methods (5) 7.1 Sampling Principles (5) 7.2 Sample Testing (5) 7.3 Original Record (10) 7.4 Data Processing (11) 8 test results (11) 8.1 Energy Efficiency Indicators (Energy Consumption) Metrological Test Results Qualification Criteria (11) 8.2 Test results evaluation criteria (11) 8.3 Test Report (12) Appendix A Receiver Energy Efficiency Measurement Uncertainty Assessment Example (14) Appendix B Digital TV Receiver (Set Top Box) Energy Efficiency Metrology Sample Checklist (Format) (21) Appendix C Digital TV Receiver (Set Top Box) Energy Efficiency Metrology and Measurement Original Record (Format) (22) Appendix D Digital TV Receiver (Set Top Box) Energy Efficiency Metrology Test Report (Format) (26)

Introduction

In order to regulate the energy efficiency of digital television receiver (set-top box) Work, according to the JJF 1261.1-2017 "Energy-efficient products with energy measurement test rules" requirements, the development of this specification. This specification is first released. Digital TV receiver (set-top box) Energy efficiency measurement inspection rules

1 Scope

This standard specifies the normal operation of the digital television receiver (set-top box) under 220V, 50Hz power supply, Including energy metering requirements for cable, terrestrial and satellite digital television receivers (hereinafter referred to as "receivers"), Measurement test procedures, measurement test methods, measurement test results evaluation criteria and test reports and so on. This specification applies to the receiver energy efficiency measurement supervision and inspection, commissioned testing can refer to the specification. Production and Sales receiver units can also refer to the specification for testing. Receivers to be tested should be self-test producers qualified products, or importers, sales of goods.

2 reference documents

This specification cites the following documents. JJF 1261.1-2017 energy-efficiency measurement of energy-using products testing rules GB/T 2829-2002 periodic inspection count sampling procedures and tables (for the stability of the test process) GB/T 14857 studio digital television encoding parameter specification GB/T 17700 satellite digital television broadcast channel coding and modulation standards GB/T 17975.1 Information Technology - Generic Coding of Moving Pictures and Associated Audio Information Part 1. Systems GB/T 17975.2 Information technology - General coding of moving pictures and their accompanying audio signals - Part 2. Video GB/T 17975.3 Information technology - Generic coding of moving pictures and their accompanying audio signals - Part 3. Audio GB/T 20600 digital television terrestrial broadcasting transmission system frame structure, channel coding and modulation GB 20943-2013 Single Output AC - DC and AC - AC External Power Supply Efficiency Limit and Section Can evaluate value GB 25957-2010 digital television receiver (set-top box) energy efficiency rating and energy efficiency rating GD/JN01 Advanced Broadcasting Systems - Satellite Transmission System Frame Structure, Channel Coding and Modulation. Safe Mode GY/T 155 high-definition television program production and exchange with video parameter values GY/T 170 Cable Digital Television Broadcasting Channel Coding and Modulation Specifications Digital television receiving equipment terminology Methods of measurement of power consumption of audio, video and related equipment measurementforthepowerconsumptionofaudio, videoandrelatedequipment) For dated references, only the dated version applies to this specification; for undated references The latest version (including all amendments) applies to this specification.

3 Terms and measurement units

The following terms and units of measurement apply to this specification. ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of JJF 1261.21-2017_English be delivered?

Answer: Upon your order, we will start to translate JJF 1261.21-2017_English as soon as possible, and keep you informed of the progress. The lead time is typically 4 ~ 6 working days. The lengthier the document the longer the lead time.

Question 2: Can I share the purchased PDF of JJF 1261.21-2017_English with my colleagues?

Answer: Yes. The purchased PDF of JJF 1261.21-2017_English will be deemed to be sold to your employer/organization who actually pays for it, including your colleagues and your employer's intranet.

Question 3: Does the price include tax/VAT?

Answer: Yes. Our tax invoice, downloaded/delivered in 9 seconds, includes all tax/VAT and complies with 100+ countries' tax regulations (tax exempted in 100+ countries) -- See Avoidance of Double Taxation Agreements (DTAs): List of DTAs signed between Singapore and 100+ countries

Question 4: Do you accept my currency other than USD?

Answer: Yes. If you need your currency to be printed on the invoice, please write an email to Sales@ChineseStandard.net. In 2 working-hours, we will create a special link for you to pay in any currencies. Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay.