Valid

SJ/T 9148-2013Electroacoustics. Instruments for measurement of aircraft noise-Performance requirements for systems to measure on-third-octave band sound pressure levels in noise certification of transport-category aeroplanes (English PDF)

电声学飞机噪声测量仪器运输机噪声评定用1/3倍频程声压级测量系统的性能要求

Preview PDF

This is a limited preview

Buy now to download the full PDF (9 pages)

Need quotation for your management?

Get a formal quotation for SJ/T 9148-2013 in 30 minutes.

Issued by

Ministry of Industry and Information Technology

Level / Type

National · Recommended

Issue date

January 1, 2013

Implementation date

January 1, 2013

Scope

SJ/T 9148-2013 is the English-translated version of 电声学飞机噪声测量仪器运输机噪声评定用1/3倍频程声压级测量系统的性能要求.

SJ/T 9148-2013 is the Chinese standard "Electroacoustics. Instruments for measurement of aircraft noise-Performance requirements for systems to measure on-third-octave band sound pressure levels in noise certification of transport-category aeroplanes".

This standard specifies the aircraft noise assessment with electro-acoustic performance acoustic measurement system requirements, and gives to verify its performance meets the requirements specified tolerance periodic testing methods.

It was issued by Ministry of Industry and Information Technology. It cites 7 other standards.

Found what you need?

Document preview — SJ/T 9148-2013

National Standard of the People's Republic of China

ICS: 17.140.50
Classification: A59

Issued by: Ministry of Industry and Information Technology

1 Foreword

SJ/T 9148-2013 was issued by Ministry of Industry and Information Technology on 17 October 2013.

2 Scope

3 Normative references

The following documents are referred to in the text in such a way that some or all of their content constitutes requirements of this document.

GB/T 2900.86-2009 — Electrotechnical terminology -- Acoustics and electroacoustics

GB/T 20441.3-2010 — Electroacoustics -- Measurement microphone -- Part 3: Primary method for free-field calibration of laboratory standard microphones by the reciprocity technique

GB/T 20441.4-2006 — Measurement microphones -- Part 4: Specifications for working standard microphones

IEC 60801-2-1991

IEC 60801-3-1984

IEC 60942-1988

IEC 61260-1995

4 About this standard

Issued by: Ministry of Industry and Information Technology

English translation: about 9 pages (approximate)

5 Classification and status

International classification (ICS): 17.140.50

Chinese Standard Classification (CCS): A 59

Prefix SJ/T: recommended standard.

......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 9 pages — is available in the English PDF.

Referenced standards

Normative references

IEC 60801-2-1991 · IEC 60801-3-1984 · IEC 60942-1988 · IEC 61260-1995

How to Download SJ/T 9148-2013

1
Add to cart
Click "Download PDF" on this page and choose "Buy this standard". You can add more standards before checkout.
2
Checkout
Enter your email and billing details. Payment is processed securely by Stripe (cards or bank transfer). Prefer bank details? Request a quotation (min. order $300).
3
Instant delivery (0–9 sec)
Delivery is automatic: within seconds of payment you'll receive an email with a secure download link. The link stays valid for 72 hours.
4
Invoice included
A tax invoice is attached to the confirmation email. Need a custom invoice? Contact us.