HOME   Cart(0)   Quotation   About-Us Policy PDFs Standard-List
www.ChineseStandard.net Database: 189759 (19 Oct 2025)

YY/T 1084-2015 English PDF

US$259.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
YY/T 1084-2015: Measurement methods of ultrasonic output power for medical diagnostic ultrasonic equipments
Status: Valid

YY/T 1084: Evolution and historical versions

Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)StatusPDF
YY/T 1084-2015English259 Add to Cart 3 days [Need to translate] Measurement methods of ultrasonic output power for medical diagnostic ultrasonic equipments Valid YY/T 1084-2015
YY/T 1084-2007English199 Add to Cart 2 days [Need to translate] Measurement methods of output power for medical diagnostic ultrasonic equipments Obsolete YY/T 1084-2007

PDF similar to YY/T 1084-2015


Standard similar to YY/T 1084-2015

YY/T 0937   YY/T 1090   YY/T 1142   YY/T 1919   

Basic data

Standard ID YY/T 1084-2015 (YY/T1084-2015)
Description (Translated English) Measurement methods of ultrasonic output power for medical diagnostic ultrasonic equipments
Sector / Industry Medical Device & Pharmaceutical Industry Standard (Recommended)
Classification of Chinese Standard C41
Classification of International Standard 11.040.50
Word Count Estimation 12,180
Date of Issue 2015-03-02
Date of Implementation 2016-01-01
Older Standard (superseded by this standard) YY/T 1084-2007
Quoted Standard GB/T 7966-2009; YY/T 0865.1-2011
Regulation (derived from) The State Food and Drug Administration Announcement 2015 No. 8
Issuing agency(ies) State Food and Drug Administration
Summary This Standard specifies the method for medical ultrasonic diagnostic equipment measuring the acoustic power output, wherein the radiation force balance method is the preferred method. In the presence of the technical difficulty of using radiation force balance method, or to ensure measurement accuracy under the premise of exporting power ultrasonic hydrophone method can also be used. This Standard applies to the frequency range of the acoustic output of medical ultrasound measurements of 0.5MHz ~ 25MHz diagnostic equipment.

YY/T 1084-2015: Measurement methods of ultrasonic output power for medical diagnostic ultrasonic equipments


---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.
Measurement methods of ultrasonic output power for medical diagnostic ultrasonic equipments ICS 11.040.50 C41 People's Republic of China pharmaceutical industry standards Replacing YY/T 1084-2007 Medical ultrasonic diagnostic equipment acoustic power output Measurement methods Issued on. 2015-03-02 2016-01-01 implementation China Food and Drug Administration released

Foreword

This standard was drafted in accordance with GB/T 1.1-2009 given rules. This standard YY/T 1084-2007 The main technical differences are. --- According to the latest updated version of the reference standard; --- Frequency range from 0.5MHz ~ 15MHz extended to 0.5MHz ~ 25MHz; --- In line with GB 9706.9-2008 "Medical electrical equipment - Part 2-37. Ultrasound diagnostic and monitoring equipment to the safety of Seeking "the special requirements of ultrasonic measuring output power, increasing the Appendix A" in the multi mode, scan mode and 1cm × 1cm window Under the mouth, the output power measurement guidance. " This standard was proposed by the China Food and Drug Administration. Please note that some of the content of this document may involve patents. Release mechanism of the present document does not assume responsibility for the identification of these patents. This standard by the standardization of medical ultrasound equipment for medical appliances National Standardization Technical Committee Technical Committee (SAC/TC10/SC2) Centralized. This standard was drafted. State Food and Drug Administration of Hubei Medical Device Quality Supervision and Inspection Center, Institute of Acoustics, CAS The study. The main drafters of this standard. Wang Zhijian, Jiang Shilin, cattle Fengqi. This standard previously issued as follows. --- ZBC41002-1985; --- YY/T 91084-1999; --- YY/T 1084-2007. Medical ultrasonic diagnostic equipment acoustic power output Measurement methods

1 Scope

This standard specifies the method for measuring the acoustic output of medical diagnostic ultrasonic equipment power, where the radiation force balance method is the preferred method. Adopting Under radiation force balance method when there is no technical difficulty, or to ensure measurement accuracy of the premise, can also export ultrasound method using hydrophones power. This standard applies to medical ultrasonic frequency range measured acoustic power output 0.5MHz ~ 25MHz diagnostic equipment.

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein Member. For undated references, the latest edition (including any amendments) applies to this document. GB/T 7966-2009 Measurement of acoustic radiation force balances power and performance requirements YY/T 0865.1-2011 ultrasonic hydrophone - Part 1. Measurement and features the following medical ultrasound field 40MH depiction

3 Terms and Definitions

The following terms and definitions apply to this document. 3.1 Ultrasonic transducer ultrasonictransducer In the ultrasonic frequency range, the electrical energy into mechanical energy and (or) convert mechanical energy into electrical energy. 3.2 Output power outputpower Acoustic output power ultrasonicoutputpower Under certain medium (preferably water) specify the conditions to free field emitted by the ultrasound transducer time-averaged acoustic power. Note 1. "time-average" is averaged over an integer number of cycle. Note 2. in watts (W). 3.3 Limited power output side area bounded-squareoutputpower Max transducer radiating any 1cm2 square area, the average time of the emitted acoustic power output. 1cm2 square area Field in the X and Y dimensions are 1cm. P1 × 1 Note. in watts (W). 3.4 Radiation radiationforce Acoustic radiation force acousticradiationforce Acting on the sound field of an object does not include the sound of a rush current action time-averaged force caused by the sound field; a more general definition is to exclude sound

Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of YY/T 1084-2015_English be delivered?

Answer: Upon your order, we will start to translate YY/T 1084-2015_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 YY/T 1084-2015_English with my colleagues?

Answer: Yes. The purchased PDF of YY/T 1084-2015_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 [email protected]. 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 YY/T 1084-2015?

Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version YY/T 1084-2015 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.