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Code of practice for specific kinetic energy of firearms muzzle by velocimeter in forensic
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Basic data
| Standard ID | GA/T 953-2011 (GA/T953-2011) |
| Description (Translated English) | Code of practice for specific kinetic energy of firearms muzzle by velocimeter in forensic |
| Sector / Industry | Public Security (Police) Industry Standard (Recommended) |
| Classification of Chinese Standard | A92 |
| Classification of International Standard | 13.310 |
| Word Count Estimation | 5,583 |
| Date of Issue | 2011-11-01 |
| Date of Implementation | 2011-12-01 |
| Quoted Standard | GA/T 718-2007; GA/T 824-2009 |
| Regulation (derived from) | Industry Standard Record Announcement No. 4 of 2012 (No. 148) |
| Issuing agency(ies) | Ministry of Public Security |
| Summary | This standard specifies the speed gun method to test the requirements of firearms, procedures. This standard applies to all types of firearms than the kinetic energy of the test. |
GA/T 953-2011: Code of practice for specific kinetic energy of firearms muzzle by velocimeter in forensic
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Code of practice for specific kinetic energy of firearms muzzle by velocimeter in forensic
ICS 13.310
A92
People's Republic of China Public Security Industry Standards
Forensic muzzle kinetic energy than the speedometer test procedure law
Issued on. 2011-11-01
2011-12-01 implementation
People's Republic of China Ministry of Public Security
Foreword
This standard was drafted in accordance with GB/T 1.1-2009 given rules.
Please note that some of the content of this document may involve patents. Distribution of this document
Institutions do not assume the responsibility to identify these patents.
This standard by the National Standardization Technical Committee of criminal trace detection technology at the Technical Committee (SAC/TC179/SC9) proposed and
Centralized.
This standard was drafted. Public Security Bureau of Nanjing Institute of Criminal Science and Technology, Nanjing University, Ministry of Public Security Evidence Identification Center, Jiangsu
Public Security Bureau Evidence Identification Center.
The main drafters of this standard. Ji Jun, ROCKETS, Wu Xianghai, Jerez, Xu Cheng, and new horse, Zhang Xiaojun, Zhang Fuyuan.
Forensic muzzle kinetic energy than the speedometer test procedure law
1 Scope
This standard specifies the test method speedometer firearms injuries force requirements, procedures.
This standard applies to all types of firearms than the kinetic energy of the test.
2 Normative references
The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein
Member. For undated references, the latest edition (including any amendments) applies to this document.
Forensic identification criterion GA/T 718-2007 firearms injury forces
GA/T 824-2009 bullet forensic testing laboratory construction specifications
3 test equipment, devices and their requirements
3.1 bullet speedometer. speedometer bullet stability and accuracy of measurement and quality inspection departments should be subject to auditing. Bullet speedometer later after installation
It can be put into use after the stability and accuracy of the calibration. It shall be calibrated annually.
3.2 Test bench (stand) should have sufficient strength and rigidity, strong clamping position is adjustable, easy to operate and secure.
3.3 steel tape measure, calipers, scales, temperature gauge, a level measurement and quality inspection departments should comply with the requirements.
4 Test Conditions
4.1 Testing shall be conducted indoors, specific conditions will comply GA/T 824-2009 requirements.
4.2 measured firearms seized by the beginning of the basic structure intact, the normal firing.
4.3 test-fire way to shoot firearms.
5 Test Preparation
5.1 Before the test measured response firearms and bullets sources, models, production process, caliber firearms, projectile diameter, playing long, quality, materials and appearance into
Line inspection and detailed records.
5.2 should make guns, bombs work state, speedometer and related test equipment properly.
5.3 Check the chamber and barrel, to ensure that no foreign matter in the barrel.
5.4 The use of firearms fixtures should be tested firearms safe and reliable clamping.
5.5 According to the measured guns, bullets characteristics, in accordance GA/T 718-2007 requirements to determine the relative position of the speedometer and tachometer target muzzle,
The barrel axis perpendicular to the target surface and passes through the effective speed of the target test area.
6 Test Procedure
6.1 Step by bullets loaded bullets loaded within the barrel, and rifle is cocked state.
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