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JJF 1157-2006

JJF 1157-2006_English: PDF (JJF1157-2006)
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JJF 1157-2006English909 Add to Cart 6 days Calibration Specification for Measuring Amplifiers JJF 1157-2006 Valid JJF 1157-2006

Standard ID JJF 1157-2006 (JJF1157-2006)
Description (Translated English) Calibration Specification for Measuring Amplifiers
Sector / Industry Metrology & Measurement Industry Standard
Classification of Chinese Standard A59
Classification of International Standard 17.140
Word Count Estimation 38,346
Date of Issue 2006/9/6
Date of Implementation 2006-12-06
Quoted Standard GB/T 3102.5-1993; GB/T 3102.7-1993; JJF 1001-1998; JJF 1034-2005; JJF 1059-1999; JJG 188-2002
Drafting Organization Hengyang Heng Instrument Electric Co., Ltd.
Administrative Organization National Technical Committee on Acoustic Measurement
Regulation (derived from) China Measurement 2006. 11
Summary This standard applies to acoustics, vibration measurements with a measuring amplifier calibration.

JJF 1157-2006
Calibration Specification for Measuring Amplifiers
National Metrology Technical Specification of the People's Republic
Measuring amplifier calibration specification
Released on.2006-09-06
Implementation of.2006-12-06
The General Administration of Quality Supervision, Inspection and Quarantine issued
Measuring amplifier calibration specification
This specification was approved by the General Administration of Quality Supervision, Inspection and Quarantine on September 6,.2006, and since.2006
It will take effect on December 6th.
Focal Point. National Acoustic Metrology Technical Committee
Drafted by. Hengyang Hengyi Electric Co., Ltd.
China Institute of Metrology
CSIC Research Institute No. 701
The Third Research Institute of China Electronics Technology Group Corporation
This specification is interpreted by the National Acoustic Metrology Technical Committee.
Drafters of this specification.
Liu Xiangheng (Hengyang Hengyi Electric Co., Ltd.)
Chen Jianlin (China Institute of Metrology)
Liu Fangxiong (China Shipbuilding Industry Corporation Seventy-one Institute)
Zhang Jing (Hengyang Hengyi Electric Co., Ltd.)
Pan Yuewu (The Third Institute of China Electronics Technology Group Corporation)
Tang Jun (September Institute of China Shipbuilding Industry Corporation)
Zhu Chuanhuan (September Institute of China Shipbuilding Industry Corporation)
table of Contents
1 range (1)
2 Citations (1)
3 terms and units of measurement (1)
4 Overview (1)
5 Measurement characteristics (1)
5.1 Machine sensitivity (1)
5.2 Frequency weighting (1)
5.3 Linear Frequency Response (3)
5.4 High and low pass filter characteristics (3)
5.5 Indicator Indexing Error (3)
5.6 Input attenuator error (3)
5.7 Output Attenuator Error (3)
5.8 Local noise (4)
5.9 Time weighting (4)
5.10 猝 pronunciation response (4)
5.11 RMS Characteristics (4)
5.12 Level linearity of electrical output (4)
5.13 Harmonic Distortion (4)
5.14 Internal Reference Signal (4)
5.15 Polarization voltage (4)
6 Calibration conditions (4)
6.1 Environmental conditions (4)
6.2 Standard and other equipment (5)
7 Calibration items and calibration methods (5)
7.1 Calibration Project (5)
7.2 Calibration method (6)
8 Calibration result expression (13)
8.1 Calibration Record (13)
8.2 Calibration Data Processing (13)
8.3 Calibration Certificate (14)
8.4 Measurement uncertainty of calibration results (14)
9 re-study interval (15)
Appendix A Contents of Calibration Record (16)
Appendix B Contents of the calibration certificate (20)
Appendix C Example of Evaluation of Uncertainty (24)
Measuring amplifier calibration specification
1 Scope
This specification applies to the calibration of measuring amplifiers for acoustic and vibration measurements.
2 Citations
This specification refers to the following documents
GB/T 3102.5-1993 "Electrical and magnetic quantities and units"
GB/T 3102.7-1993 "Amount and unit of acoustics"
JJF 1001-1998 General Terms and Definitions
JJF 1034-2005 "Acoustic Metrology Terms and Definitions"
JJF 1059-1999 "Measurement Uncertainty Evaluation and Representation"
JJG188-2002 "Sound Level Meter Verification Regulations"
Use of this specification should be done with the current valid version of the above cited documents.
3 terms and units of measure
This specification uses the terms and definitions in JJF 1001-1998, JJF 1034-2005, and JJG188-2002.
This specification uses the quantities and units specified in GB/T 3102.5-1993 and GB/T 3102.7-1993.
4 Overview
The measuring amplifier is a wide-range, low-noise meter with specified time weighting, frequency weighting and voltage indication functions.
Device. It is mainly used for engineering measurement of acoustics and vibration, as well as verification and calibration of acoustic and vibration measuring instruments.
Usually composed of amplifiers, attenuators, frequency weighting, time weighting, filters, detectors, and indicators.
5 Mea