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JJF 1289-2020 English PDF

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Q: Should I purchase the latest version JJF 1289-2020?

Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version JJF 1289-2020 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.

US$509.00 · In stock
Delivery: <= 4 days. True-PDF full-copy in English will be manually translated and delivered via email.
JJF 1289-2020: Calibration Specification for Audiometric Equipment - Instruments for the Measurement of Otoacoustic Emissions
Status: Valid

JJF 1289: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
JJF 1289-2020	509	Add to Cart	4 days	Calibration Specification for Audiometric Equipment - Instruments for the Measurement of Otoacoustic Emissions	Valid
JJF 1289-2011	679	Add to Cart	3 days	Calibration Specification for Measurement Instruments of Otoacoustic Emissions	Obsolete
JJF 1289-1990	199	Add to Cart	2 days	O.T.N. for Alternating Power Primary Standard from 40Hz to 15000Hz	Obsolete

Similar standards

GB/T 3222.2 GB/T 3222.1 JJG 188 JJF 2012 JJF 1294 JJF 1288

Basic data

Standard ID: JJF 1289-2020 (JJF1289-2020)
Description (Translated English): Calibration Specification for Audiometric Equipment - Instruments for the Measurement of Otoacoustic Emissions
Sector / Industry: Metrology & Measurement Industry Standard
Classification of Chinese Standard: A59
Classification of International Standard: 17.140
Word Count Estimation: 23,252
Date of Issue: 2020
Date of Implementation: 2020-04-17
Issuing agency(ies): State Administration for Market Regulation

JJF 1289-2020: Calibration Specification for Audiometric Equipment - Instruments for the Measurement of Otoacoustic Emissions

---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.
(Calibration specification for audiometry equipment for audiometry equipment) National Metrology Technical Specifications of the People's Republic of China Audiometry equipment otoacoustic emission measuring instrument calibration specification 2020-01-17 released 2020-04-17 implementation Issued by the State Administration for Market Regulation Audiometry equipment otoacoustic emission measuring instrument Calibration specification Replace JJF 1289-2011 Focal point. National Technical Committee of Acoustics Measurement Main drafting unit. China Institute of Metrology Chinese People's Liberation Army Medical Acoustic Metrology and Research Station Participated in the drafting. Shanghai Institute of Metrology and Testing Technology Jilin Institute of Metrology Guangdong Institute of Metrology This specification entrusts the National Acoustics Metrology Technical Committee to be responsible for interpretation The main drafters of this specification. Zhong Bo (China Institute of Metrology) Ji Fei (Chinese People's Liberation Army Medical Acoustic Metrology Test Research Station) Participating drafters. Xu Huan (China Institute of Metrology) Deng Zheng (Shanghai Institute of Metrology and Testing Technology) Yan Youyu (Jilin Institute of Metrology) Yang Dejun (Guangdong Institute of Metrology) Zhao Zhengyi (China Institute of Metrology)

Introduction (Ⅱ) 1 scope (1) 2 Reference documents (1) 3 Terms and measurement units (1) 3.1 Otoacoustic emission (1) 3.2 Transient evoked otoacoustic emissions (2) 3.3 Distortion product otoacoustic emission (2) 3.4 Peak-to-peak equivalent sound pressure level (2) 3.5 Screening pass range (2) 4 Overview (2) 5 Measurement characteristics (2) 5.1 Sound stimulation unit (2) 5.2 Sound measurement unit (3) 6 Calibration conditions (3) 6.1 Environmental conditions (3) 6.2 Measurement standards and other equipment (3) 7 Calibration items and calibration methods (4) 7.1 Calibration items (4) 7.2 Calibration method (4) 8 Calibration result expression (9) 8.1 Calibration record (9) 8.2 Calibration data processing (9) 8.3 Calibration certificate (10) 8.4 Measurement uncertainty of calibration results (10) 9 Re-calibration interval (10) Appendix A Inner page format of calibration certificate of otoacoustic emission meter (11) Appendix B Uncertainty Evaluation Example (14)

Introduction

This specification is based on JJF 1071-2010 "Rules for Compiling National Metrology and Calibration Specifications" and JJF 1059.1-2012 "Evaluation and Expression of Measurement Uncertainty" was compiled. This specification mainly refers to IEC 60645-6.2009 "Electroacoustic Audiometry Equipment Part 6.Otoacoustic Emission Measurement "Electroacoustics-Audiometricequipment-Part 6.Instrumentsforthemeasure- meutofotoaconsticemissions), GB/T 4854.6-2014 "Acoustic Calibration of Audiometry Equipment Reference Zero Part 6.Reference threshold of short-term test signals, GB/T 7341.3-1998 Audiometer Part 3 Points. Short-duration auditory test signals for audiometry and neuro-otology" and JJF 1579-2016 "Auditory inducement for audiometry equipment" Calibration Specification for Power Level Meter. This specification replaces JJF 1289-2011 "Otoacoustic Emission Measuring Instrument Calibration Specification". Same as JJF 1289-2011 The main technical changes are as follows. ---According to JJF 1579-2016, GB/T 3947 and IEC 60645-6.2009 related techniques in the original specification The language has been adjusted, such as adding the concepts of "peak-peak equivalent sound pressure level" and "screening pass range"; ---The measurement performance requirements in the original specification have been modified, and the modified technical requirements mainly include. deleted "Type of stimulus signal" and "Frequency range of stimulus signal"; stimulated by transient evoked and distortion product otoacoustic emission measuring instrument The characteristics of the signal, its measurement performance is classified; the measurement performance requirements of the sound measurement unit are added, "Sound pressure Level Measurement Error" and "Screen Pass Range"; ---In "Measurement Standards and Other Equipment", replace "Measuring Amplifier" and "Band Pass Filter" with "Adjustable amplifier" and "Acoustic analyzer"; distinguished and distinguished two types of ear simulators and acoustic couplers that may be used Description; Added equipment for sound measurement unit calibration, signal generator with trigger output function, attenuation The release status of previous versions of this specification is. ---JJF 1289-2011. Audiometry equipment otoacoustic emission measuring instrument calibration specification

1 Scope

This specification applies to the calibration of screening and diagnostic otoacoustic emission measuring instruments.

2 Reference documents

This specification refers to the following documents. JJG388-2012 pure tone audiometer JJF 1001-2011 General measurement terms and definitions JJF 1034 Acoustic measurement terms and definitions JJF 1579-2016 Audiometry equipment auditory evoked potential meter calibration specification GB/T 3102.7 Acoustic quantities and units GB/T 3947 Acoustic terms GB/T 4854.6-2014 Acoustic calibration of audiometric equipment reference zero level Part 6.Short-term test letter Baseline hearing threshold GB/T 7341.3-1998 Audiometer Part 3.Short-duration auditory test for audiometry and neuro-otology signal GB/T 25498.5-2017 Electroacoustic head simulator and ear simulator Part 5.Measuring hearing aids And 2cm3 acoustic coupler for earphones that couple with human ears by inserting IEC 60318-4.2010 Electroacoustic head and ear simulator Part 4.Measurement of plug-in earphones Electroacoustics-Simulatorsofhumanheadandear-Part 4.Occluded-ear simulatorforthemeasurementofearphonescoupledtotheearbymeansofearinserts) IEC 60645-6.2009 Electroacoustic audiometry equipment Part 6.Otoacoustic emission measuring instrument (Electroa- coustics-Audiometricequipment-Part 6.Instrumentsforthemeasurementofotoacoustic emissions) For dated reference documents, only the dated version applies to this specification; for undated references The latest version (including all amendments) is applicable to this specification.

3 Terms and units of measurement

The quantities and units specified in GB/T 3102.7 apply to this code. The following terms and definitions defined by JJF 1001-2011, JJF 1034 and GB/T 3947 apply to this code. 3.1 Otoacoustic emission otoacousticemission (OAE) Sound energy is produced in the cochlea, conducted through the ossicular chain and tympanic membrane, and released into the external auditory canal. Note. 1 Otoacoustic emissions can be expressed as evoked otoacoustic emissions (evokedOAE) and spontaneous otoacoustic emissions (spontaneousOAE). 2 Rewrite GB/T 3947-1996, definition 9.45. ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of JJF 1289-2020_English be delivered?

Answer: Upon your order, we will start to translate JJF 1289-2020_English as soon as possible, and keep you informed of the progress. The lead time is typically 2 ~ 4 working days. The lengthier the document the longer the lead time.

Question 2: Can I share the purchased PDF of JJF 1289-2020_English with my colleagues?

Answer: Yes. The purchased PDF of JJF 1289-2020_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 JJF 1289-2020?

Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version JJF 1289-2020 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.