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JJG 637-2006 English PDF

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JJG 637-2006: Verification Regulation of High Frequency Standard Vibrator
Status: Valid

JJG 637: Evolution and historical versions

Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)StatusPDF
JJG 637-2006English389 Add to Cart 3 days [Need to translate] Verification Regulation of High Frequency Standard Vibrator Valid JJG 637-2006
JJG 637-1990English359 Add to Cart 3 days [Need to translate] Verification Regulation of Calibration Vibrators of High Frequency Obsolete JJG 637-1990

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Basic data

Standard ID JJG 637-2006 (JJG637-2006)
Description (Translated English) Verification Regulation of High Frequency Standard Vibrator
Sector / Industry Metrology & Measurement Industry Standard
Classification of Chinese Standard A56
Classification of International Standard 17.220
Word Count Estimation 15,163
Date of Issue 2006-09-06
Date of Implementation 2007-03-06
Older Standard (superseded by this standard) JJG 637-1990
Quoted Standard GB/T 2298-1991; GB/T 13823.1-2005; GB/T 13823.2-1992; GB/T 13823.3-1992; JJG 233-1996
Regulation (derived from) China Measurement 2006. 11
Issuing agency(ies) General Administration of Quality Supervision, Inspection and Quarantine
Summary This standard applies to the frequency (0. 8 ~ 50) kHz, acceleration (10 ~ 20000) m/s range for the high-frequency vibration test and calibration standard piezoelectric vibration table (hereinafter referred to as high-frequency units) The initial verification, testing and use of follow-up inspection. High-frequency electric Standard vibration table with reference to the calibration procedures were performed.

JJG 637-2006: Verification Regulation of High Frequency Standard Vibrator

---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.
Verification Regulation of High Frequency Standard Vibrator National Metrology Verification Regulations of the People's Republic High frequency standard vibration table Released on.2006-09-06 2007-03-06 implementation The General Administration of Quality Supervision, Inspection and Quarantine issued High frequency standard vibration table Verification procedure HighFrequency Replace JJG 637-1990 This regulation was approved by the General Administration of Quality Supervision, Inspection and Quarantine on September 6,.2006, and It will take effect on March 6,.2007. Focal Point. National Vibration Shock Velocity Measurement Technical Committee Drafting unit. 704 Institute of China Aviation Industry First Group Corporation This regulation entrusts the National Vibration Shock Velocity Measurement Technical Committee to explain The main drafters of this procedure. Xue Jingfeng (The 704 Institute of China Aviation Industry Corporation I) He Tianxiang (The 704 Institute of China Aviation Industry First Group Corporation) Participate in the drafters. Hu Chunyan (The 704 Institute of China Aviation Industry First Group Corporation)

table of Contents

1 Scope (1) 2 Citations (1) 3 Overview (1) 4 Metrology performance requirements (1) 4.1 Frequency resolution and indication error (1) 4.2 Stability of frequency and acceleration (2) 4.3 Acceleration signal to noise ratio (2) 4.4 Acceleration Total Harmonic Distortion (2) 4.5 Acceleration uniformity (2) 4.6 Lateral vibration ratio (2) 5 General technical requirements (3) 5.1 Appearance and Accessories (3) 5.2 Installation of high frequency station (3) 5.3 Ambient noise of high frequency station (3) 5.4 Technical indicators to be given by the manufacturer (3) 6 measuring instrument control (3) 6.1 Verification conditions (3) 6.2 Verification project (4) 6.3 Verification method (5) 6.4 Processing of verification results (8) 6.5 verification period (8) Appendix A Certificate Format Page (9) Appendix B Format of the verification result page (10) High frequency standard shaking table verification procedure

1 Scope

This procedure applies to frequencies (0.8~50) kHz and acceleration (10~20000) m/s2 for vibration. First verification, subsequent verification and use of high-frequency piezoelectric standard vibration table (hereinafter referred to as high-frequency stage) for verification and calibration In the test. The calibration of the high frequency electric standard vibration table can be carried out with reference to this regulation.

2 Citations

GB/T 2298-1991 Mechanical vibration and shock terminology GB/T 13823.1-2005 Calibration methods for vibration and shock sensors - Part 1. Basic concepts GB/T 13823.2-1992 Calibration method for vibration and shock sensors Laser interferometry vibration absolute calibration (one calibration) GB/T 13823.3-1992 Calibration method for vibration and shock sensors Sinusoidal excitation comparison method calibration (secondary calibration) JJG 233-1996 Piezoelectric accelerometer When using this procedure, care should be taken to use the current valid version of the above cited documents.

3 Overview

The instrument configuration of the high-frequency vibration calibration device is shown in Figure 1. The high-frequency station is the main part of the high-frequency vibration calibration device. Piece, which produces a high frequency sinusoidal vibration excitation that is calibrated by the vibration sensor. The high frequency station should include a fixed matching signal source and power Amplifiers and variable capacitors and variable inductors for tuning. Some high-frequency stations also have built-in accelerometers. Figure 1 shows The laser interferometer matched with the high-frequency station is a simple Michelson interferometer, which is used for Bessel function calibration, such as If you use an orthogonal Michelson interferometer or a heterodyne interferometer, you can perform vibration correction in addition to the Bessel function calibration. Calibration of the string approximation method.

4 Metrological performance requirements

4.1 Frequency resolution and indication error In the working range of the high frequency station, the frequency of the high frequency station is continuously adjustable, and the frequency resolution should be better than 0.1% f (f For the frequency value of the calibration point), the frequency indication error should be better than ±1%.

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