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JJG 2072-2016 English PDF

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JJG 2072-2016: Measuring Instruments for Shock Acceleration
Status: Valid

JJG 2072: Evolution and historical versions

Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)StatusPDF
JJG 2072-2016English279 Add to Cart 3 days [Need to translate] Measuring Instruments for Shock Acceleration Valid JJG 2072-2016
JJG 2072-1990English399 Add to Cart 3 days [Need to translate] Verification Scheme of Measuring instruments for shock acceleration Obsolete JJG 2072-1990

PDF similar to JJG 2072-2016


Standard similar to JJG 2072-2016

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Basic data

Standard ID JJG 2072-2016 (JJG2072-2016)
Description (Translated English) Measuring Instruments for Shock Acceleration
Sector / Industry Metrology & Measurement Industry Standard
Classification of Chinese Standard A53
Word Count Estimation 12,117
Date of Issue 3/3/2016
Date of Implementation 2016-09-03
Older Standard (superseded by this standard) JJG 2072-1990
Regulation (derived from) Announcement No.26 of the General Administration of Quality Supervision, Inspection and Quarantine
Issuing agency(ies) General Administration of Quality Supervision, Inspection and Quarantine
Summary This standard is applicable to the transmission of shock acceleration measuring instruments. The composition of the national benchmark of impact acceleration and the main metrological performance are stipulated. The procedure of transferring the measured value from the national standard to the working measuring instrument is given by the national standard. Corresponding procedures are given and the corresponding extended uncertainty (or maximum Allowable error) and the basic verification method. In carrying out calibration, this standard can also be used as the basis for traceability. This standard specifies the main physical quantities describing impulse motion with impulse acceleration (m/s ^ 2) and impulse acceleration pulse duration (s).

JJG 2072-2016: Measuring Instruments for Shock Acceleration

---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.
Measuring Instruments for Shock Acceleration National People's Republic of China Metrological Verification System Impact Accelerometer 2016-03-03 release 2016-09-03 Implementation State Administration of Quality Supervision, Inspection and Quarantine issued Shock Accelerometer Measuring Instrument Instruments forShockAcceleration Replacing JJG 2072-1990 Responsible unit. National vibration impact speed measurement technology committee The main drafting unit. China Institute of Metrology Participation in drafting unit. China Aviation Industry Corporation Beijing Great Wall measurement test technology research Institute The commissioning system table commissioned by the national vibration impact speed measurement technology committee is responsible for the interpretation The main system of the test system. Hu Hongbo (China Institute of Metrology) Yu Mei (China Institute of Metrology) Participate in the drafters. Li Xinliang (China Aviation Industry Corporation Beijing Great Wall measurement test Technology Institute)

table of Contents

Introduction (Ⅲ) 1 Scope (1) 2 measurement basis (1) 3 Metrological standards (2) 3.1 Absolute law impact standard (2) 3.2 Acceleration comparison method Impact standard (2) 3.3 speed comparison method impact standard (3) 3.4 impact of the impact of the standard (3) 3.5 Impact test stand verification device (4) 4 Work measuring instruments (4) 4.1 Impact measuring instrument/impact acceleration sensor (4) 4.2 Impact/impact test stand (5) 5 Impact Accelerometer Measuring Instrument Checklist (5)

Introduction

The test system according to JJF1104-2003 "National Metrological Verification System Table Rules" JJG 2072- 1990 "Impact Accelerometer Measuring Instrument Verification System" was revised. Compared with JJG 2072-1990, in addition to editorial changes to the main technical changes are as follows. - extends the peak range of the impact acceleration metering reference. The peak value of the impact acceleration is determined by (1 × 102 ~ 1 × 106) m/s2 extended to (50 ~ 2.0 × 106) m/s2; - delete the description of the relevant international comparison in the previous version of the measurement instrument; - the expression of the standard impact sensor in the former version of the metrological standard; --- this version of the measurement standards, increase the impact, collision table verification device expression; --- This version of the work of measuring instruments, increase the impact of acceleration laser measuring instrument expression; The inclusion factor of the extended uncertainty is changed from k = 3 to k = 2 in the previous version. The previous version of the system table release. JJG 2072-1990. Shock Accelerometer Measuring Instrument

1 Scope

This test system table is suitable for the value transfer of the impact acceleration meter. Provides a national benchmark for impact acceleration The composition and the main measurement performance, by the national benchmark through the measurement of standard instruments to the work of measuring instruments to send the value of the process And gives the corresponding extended uncertainty (or maximum allowable error) and the basic verification method. In carrying out the calibration, The test system table can also be used as the basis for the value traceability. The test system table provides the impact of acceleration (m/s2), the impact of acceleration pulse duration (s) as a description The main physical quantity of the shock movement.

2 measurement basis

2.1 Impact Acceleration National Benchmarks include (50 to 2.0 x 104) m/s2 Low Peak Impact Acceleration Benchmarks and ( > 2.0 × 104 ~ 2.0 × 106) m/s2 high peak shock acceleration reference. 2.2 Impact acceleration National benchmark mainly by the impact of excitation systems, measurement systems (including laser interferometer, data mining Set processing system, etc.), the control system and the necessary vibration isolation foundation. The national benchmark uses the laser absolute law to reproduce the red (50 ~ 2.0 × 106) m/s2, the impulse acceleration pulse duration t is in the range of (0.015 to 10) ms. 2.3 Impact Acceleration National Reference Reproduced Impact Acceleration The time-domain waveform is a unipolar half-sine and bipolar sinusoidal. 2.4 National reference shock acceleration peak measurement uncertainty depends mainly on the length (m), time (s) and electricity Measurement uncertainty of measurement (V), measurement range and measurement of national reference shock acceleration peak and pulse duration The uncertainty is shown in Table 1. Table 1 Measurement range and measurement uncertainty for national acceleration of impact acceleration name Measuring range Impact acceleration peak ap m/s2 Pulse duration t ms Acceleration Peak Measurement No The degree of determination Urel (k = 2) Low peak shock acceleration reference 50 ~ 2.0 × 104 0.20 ~ 10 0.5% High peak shock acceleration reference > 2.0 × 104 to 1.0 × 105 0.05 to 0.2 1% > 1.0 × 105 to 1.0 × 106 0.02 to 0.05 3% & Gt; 1.0 x 106 to 2.0 x 106 0.015 to 0.02 5% 2.5 Impact Acceleration The amount of the national reference is measured by the impact acceleration laser measuring instrument (or impact acceleration standard set) Passed to the impact acceleration measurement standard. The measurement range and measurement uncertainty of the impact acceleration laser measuring instrument are shown in Fig Table 2.

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