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GB 32028-2025 English PDF

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Q: Should I purchase the latest version GB 32028-2025?

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US$249.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB 32028-2025: Minimum allowable values of energy efficiency and energy efficiency grades for projectors
Status: Valid

GB 32028: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB 32028-2025	249	Add to Cart	3 days	Minimum allowable values of energy efficiency and energy efficiency grades for projectors	Valid
GB 32028-2015	150	Add to Cart	Auto, < 3 mins	Minimum Allowable Values of Energy Efficiency and Energy Efficiency Grades for Projectors	Valid

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Basic data

Standard ID: GB 32028-2025 (GB32028-2025)
Description (Translated English): Minimum allowable values of energy efficiency and energy efficiency grades for projectors
Sector / Industry: National Standard
Classification of Chinese Standard: F01
Classification of International Standard: 27.010
Word Count Estimation: 12,161
Date of Issue: 2025-06-30
Date of Implementation: 2026-07-01
Older Standard (superseded by this standard): GB 32028-2015
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB 32028-2025: Minimum allowable values of energy efficiency and energy efficiency grades for projectors

---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/GB32028-2025
ICS 27.010 CCSF01 National Standard of the People's Republic of China Replaces GB 32028-2015 Energy efficiency limits and energy efficiency grades for projectors Released on June 30, 2025 Implementation on July 1, 2026 State Administration for Market Regulation The National Standardization Administration issued

Preface

This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for standardization work Part 1.Structure and drafting rules for standardization documents" Drafting. This document replaces GB 32028-2015 "Projector Energy Efficiency Limit Values and Energy Efficiency Grades". Compared with GB 32028-2015, except for the structural adjustment, In addition to the integration and editorial changes, the main technical changes are as follows. a) The scope of application of the standard has been changed (see Chapter 1, Chapter 1 of the.2015 edition); b) The definition and requirements of “energy saving evaluation value” have been deleted (see 3.7 and 4.4 of the.2015 edition); c) Changed the requirements for energy efficiency rating of projectors (see 4.1, 4.1 of the.2015 edition); d) Added requirements for test signal generating equipment (see A.2.4); e) The requirements for test interface and input signal have been changed (see A.4.1, A.4.1 of the.2015 edition). Please note that some of the contents of this document may involve patents. The issuing organization of this document does not assume the responsibility for identifying patents. This document is proposed and coordinated by the National Standardization Administration. This document was first published in.2015 and this is the first revision. Energy efficiency limits and energy efficiency grades for projectors

1 Scope

This document specifies the energy efficiency rating, passive standby power, energy efficiency limit value requirements, energy efficiency calculation and test methods and document implementation of projectors. Implement requirements. This document is applicable to the projection as the main function, high pressure mercury lamp, laser, light emitting diode (LED lamp) as the light source, liquid crystal display (LCD), Projectors using Digital Light Processing (DLP) and Liquid Crystal on Silicon (LCOS) as display devices. This document does not apply to rear projection units consisting of an integrated projection screen and projector.

2 Normative references

The contents of the following documents constitute the essential clauses of this document through normative references in this document. For referenced documents without a date, only the version corresponding to that date applies to this document; for referenced documents without a date, the latest version (including all amendments) applies to This document. GB/T 8170 Rules for rounding off values and expression and determination of limit values GB 20943 Limited values of energy efficiency and energy efficiency grades for AC-DC and AC-AC power supplies SJ/T 11992 Electronic projector performance test method

3 Terms and Definitions

The terms and definitions defined in SJ/T 11992 and the following apply to this document. 3.1 The ratio of a projector's light output to its power consumption. Note. The unit is lumen per watt (lm/W). 3.2 Onmode The projector is connected to a power source and generating an image. 3.3 Onmodepower Active power measured when the projector is powered on. 3.4 passivestandbymode The projector is connected to the power supply and produces neither sound nor image, but can be switched off by the remote control or other external signals. Or power on status. 3.5 Passive standby power passivestandbypower Active power measured when the projector is in passive standby mode. ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB 32028-2025_English be delivered?

Answer: Upon your order, we will start to translate GB 32028-2025_English as soon as possible, and keep you informed of the progress. The lead time is typically 1 ~ 3 working days. The lengthier the document the longer the lead time.

Question 2: Can I share the purchased PDF of GB 32028-2025_English with my colleagues?

Answer: Yes. The purchased PDF of GB 32028-2025_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.

Question 5: Should I purchase the latest version GB 32028-2025?

Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB 32028-2025 even if the enforcement date is in future. Complying with the latest version means that, by default, it also complies with all the earlier versions, technically.