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JJF 1165-2007 English PDF

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US$369.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
JJF 1165-2007: Calibration Specification for SINAD Meters
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
JJF 1165-2007	369	Add to Cart	3 days	Calibration Specification for SINAD Meters	Valid

Similar standards

GB/T 3222.2 GB/T 3222.1 JJG 188 JJG 1175 JJG 1166 JJG 1165

Basic data

Standard ID: JJF 1165-2007 (JJF1165-2007)
Description (Translated English): Calibration Specification for SINAD Meters
Sector / Industry: Metrology & Measurement Industry Standard
Classification of Chinese Standard: A59
Classification of International Standard: 17.140
Word Count Estimation: 14,146
Date of Issue: 2/28/2007
Date of Implementation: 2007-05-28
Quoted Standard: GB/T 3102.7-1993; GB/T 3947-1996; JJF 1001-1998; JJF 1034-2005; JJF 1059-1999
Regulation (derived from): AQSIQ Announcement No. 41 of 2007
Issuing agency(ies): General Administration of Quality Supervision, Inspection and Quarantine
Summary: This standard applies to the audio modulating signal frequency 1kHz, satisfied that the measurement range is 0dB ~ 20dB of satisfied meter calibration.

JJF 1165-2007: Calibration Specification for SINAD Meters

---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 SINAD Meters People's Republic of China National Metrology Technical Specifications Satisfied meter calibration specification Posted 2007-02-28 2007-05-28 implementation The State Administration of Quality Supervision, Inspection and Quarantine released Satisfied meter calibration specification SINAD Meters This specification by the State Administration of Quality Supervision, Inspection and Quarantine approved on February 28, 2007, and from From May 28, 2007 into effect. Focal point. the National Committee of the acoustic measurement technology Drafted by. Institute of Measurement and Detection Guangzhou Shenzhen Academy of Metrology and Quality Inspection Guangzhou City, boiler and pressure vessel seized by prison This specification by the responsible National Technical Committee acoustic measurement interpretation The main drafters of this specification. Jiang Hong (Guangzhou Institute of Measurement and Detection) Lun Zhou Bin (Guangzhou Institute of Measurement and Detection) Zhang Guoqing (Shenzhen Academy of Metrology and Quality Inspection) Jiao Jian (Shenzhen Academy of Metrology and Quality Inspection) Drafters participate. Zhou Changhua (Guangzhou Institute of Measurement and Detection) Mabo Group (Guangzhou City, boiler and pressure vessel seized by the supervisor) Jia Li (Shenzhen Academy of Metrology and Quality Inspection)

1 Scope (1) 2. Referenced Documents (1) 3 terminology and units of measurement (1) 3.1 is satisfied that (1) 4 Overview (1) 5 Metrological characteristics (1) 5.1 is satisfied indicating unit (1) 5.2 built-in reference signal modulation unit (2) Calibration Condition 6 (2) 6.1 environmental conditions (2) 6.2 standards and other measuring equipment (2) 7 calibration items and calibration methods (2) 7.1 calibration items (2) 7.2 Calibration method (3) 8 calibration results expression (5) 9 Recalibration interval (5) Appendix A calibration certificate contents (6) Appendix B Calibration Certificate page format recommended (7) Appendix C Evaluation of Uncertainty in Measurement Examples (8) Satisfied meter calibration specification

1 Scope

This standard applies to the audio signal modulation frequency is 1kHz, is satisfied that the measurement range is 0dB ~ 20dB of satisfied table Calibration.

2 Citations

This specification refers to the following technical documents. GB/T 3102.7-1993 "acoustic volume and unit" GB/T 3947-1996 "Acoustics terminology" JJF 1001-1998 "common measurement terms and definitions" JJF 1034-2005 "Acoustic measurement terminology and definitions" JJF 1059-1999 "Evaluation and Expression of Uncertainty in Measurement" When using this specification it should be noted that using the currently valid version of the documents cited.

3 terminology and units of measurement

This specification uses the GB/T 3947-1996 "Acoustics terminology", JJF 1034-2005 "acoustic metrology noun Terms and definitions "of terms and definitions, and is satisfied that SINAD is defined. This specification uses the quantities and units GB/T 3102.7-1993 "acoustic quantities and units" in the regulations. 3.1 is satisfied (SINAD) signaltonoiseanddistortionratio Common logarithm wireless communication device the received audio signal and the noise and harmonic signals and the ratio is multiplied by 20, Decibels (dB). SINAD = 20l (gS N DN) D (1) Where. SINAD --- satisfied, dB; S --- fundamental signal level, mV; N --- noise signal level, mV; D --- harmonic signal level, mV.

4 Overview

Is satisfied that the table is mainly used for audio signal receiving quality wireless communications products and evaluate receiver sensitivity test, It is usually indicated by the built-in reference is satisfied with the composition modulation signal source, such units.

5 Metrological characteristics

5.1 is satisfied indicating unit 5.1.1 Input level range ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of JJF 1165-2007_English be delivered?

Answer: Upon your order, we will start to translate JJF 1165-2007_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 JJF 1165-2007_English with my colleagues?

Answer: Yes. The purchased PDF of JJF 1165-2007_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.