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WJ/T 9042-2004   est method for electricity sensitivity of industrial electric detonators (English Version)
Standard No.: WJ/T 9042-2004 Status:valid remind me the status change

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Language:English File Format:PDF
Word Count: 4500 words Price(USD):260.0 remind me the price change

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Implemented on:2004-12-1 Delivery: via email in 1 business day
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Standard No.: WJ/T 9042-2004
English Name: est method for electricity sensitivity of industrial electric detonators
Chinese Name: 工业电雷管静电感度试验方法
Professional Classification: WJ    Professional Standard - Military Engingeering Civil Product
Issued by: the Commission on Science, Technology and Industry for National Defense
Issued on: 2004-09-01
Implemented on: 2004-12-1
Status: valid
Language: English
File Format: PDF
Word Count: 4500 words
Price(USD): 260.0
Delivery: via email in 1 business day
Codeofchina.com is in charge of this English translation. In case of any doubt about the English translation, the Chinese original shall be considered authoritative. Annex A of this standard is normative. This standard was proposed by the Civil Explosive Equipment Supervision and Administration Bureau of Commission of Science, Technology and Industry for National Defense (COSTIND). This standard is under the jurisdiction of the China Ordnance Industrial Standardization Research Institute. Drafting units of this standard: Huaibei Blasting Equipment Product Quality Supervision and Inspection Center of Coal Industry. Main drafters of this standard: Xia Bin, Song Jialiang and Chen Zhilin. Test method of electrostatic sensitivity for industrial electric detonator 1 Scope This standard specifies the equipment, test procedure and result expression for testing of electrostatic sensitivity of industrial electric detonators. This standard is applicable to testing for electrostatic sensitivity of industrial electric detonators, and the testing for electrostatic sensitivity of other kinds of electric initiating explosive devices may be used for reference. 2 Normative references The following documents contain provisions which, through reference in this text, constitute provisions of this standard. For dated references, subsequent amendments (excluding corrections), or revisions, of any of these publications do not apply to this standard. However parties to agreements based on this standard are encouraged to investigate the possibility of applying the most recent editions of the normative documents indicated below. For undated references, the latest edition applies. GB/T 8170 Rules of rounding off for numerical values 3 Principle The electrostatic discharge effect on an industrial electric detonator may be equivalently regarded as the discharge effect of a capacitor charged to certain voltage between a pin wire and a shell of the detonator. The electrostatic sensitivity of the electric detonator is expressed by the charging voltage required if the firing probability of the detonator, detonated under the electrostatic discharge effect, is 50% or by the firing number under fixed voltage. 4 Apparatus 4.1 Electrostatic sensitivity meter See Figure 1 for the principle of an electrostatic sensitivity meter. The technical indicators of the meter shall meet the following requirements: a) The highest output value of electrostatic voltage shall be not less than 30kV; b) The minimum division value of electrostatic voltage shall be not more than 0.2kV. c) The relative error of the energy storage capacitor of the meter is not more than 5%; d) The relative error of the series resistance of the meter is not more than 5%. 4.2 Anti-explosion box 5 Sample preparation 5.1 Place the sample at (22±8)℃ for more than 2h.
Foreword iii 1 Scope 2 Normative references 3 Principle 4 Apparatus and device 5 Sample preparation 6 Test conditions 7 Test procedure 8 Presentation of results Annex A (Normative) Test rules of lifting method and statistical calculation of 50% ignition voltage value and standard deviation
Referred in WJ/T 9042-2004:
*GB/T 8170-2008 Rules of rounding off for numerical values & expression and judgement of limiting values
*GB/T 14048.5-2017 Low-voltage switchgear and controlgear-Part 5-1:Control circuit devices and switching element-Electromechanical control circuit devices
*GB/T 18455-2022 Packaging recycling marking
*GB/T 2664-2009 Mens suits and coats
*QB/T 1858-2004 Perfume and cologne
*GB/T 14272-2011 Down Garments
*GB/T 14272-2021 Down garments
*GB 4706.1-2005 Household and Similar Electrical Appliances – Safety - Part 1: General Requirements
*FZ/T 73020-2012 Knitted Casual Wear
WJ/T 9042-2004 is referred in:
*WJ 231-1977 Shock tester
*WJ 9085-2015 Industrial digital electronic detonator
*GB 50189-1993 Energy conservation design standard on building envelope and air conditioning for tourist hotels
*GB 50189-2005 Design Standard for Energy Efficiency of Public Buildings
*TSG G0001-2012 Boiler Safety Technical Supervision Administration Regulation
*TSG G0001-2012/XG1-2017 Boiler Safety Technical Supervision Administration Regulation, includes Amendment 1
*NY/T 939-2005 Identification of reconstituted milk in pasteurized and UHT milk
*NY/T 939-2016 Identification of reconstituted milk in pasteurized and UHT milk
*GB/T 50001-2001 Unified Standard for Building Drawings
*GB/T 50001-2010 Unified standard for building drawing
*GB/T 50001-2017 Unified standard for building drawing
*GB/T 5713-1985 Textiles--Testing method for colour fastness to water
*GB/T 3766-1983 Hydraulic fluid power--General rules for the application of equipment to transmission and control systems
*GB/T 3766-2015 Hydraulic fluid power―General rules and safety requirements for systems and their components
*GB/T 5009.64-1996 Method for analysis of hygienic standard of rubber sheet (ring) for food use
*GB/T 5009.64-2003 Method for analysis of hygienic standard of rubber sheet (ring) for food use
Code of China
Standard
WJ/T 9042-2004  est method for electricity sensitivity of industrial electric detonators (English Version)
Standard No.WJ/T 9042-2004
Statusvalid
LanguageEnglish
File FormatPDF
Word Count4500 words
Price(USD)260.0
Implemented on2004-12-1
Deliveryvia email in 1 business day
Detail of WJ/T 9042-2004
Standard No.
WJ/T 9042-2004
English Name
est method for electricity sensitivity of industrial electric detonators
Chinese Name
工业电雷管静电感度试验方法
Chinese Classification
Professional Classification
WJ
ICS Classification
Issued by
the Commission on Science, Technology and Industry for National Defense
Issued on
2004-09-01
Implemented on
2004-12-1
Status
valid
Superseded by
Superseded on
Abolished on
Superseding
Language
English
File Format
PDF
Word Count
4500 words
Price(USD)
260.0
Keywords
WJ/T 9042-2004, WJ 9042-2004, WJT 9042-2004, WJ/T9042-2004, WJ/T 9042, WJ/T9042, WJ9042-2004, WJ 9042, WJ9042, WJT9042-2004, WJT 9042, WJT9042
Introduction of WJ/T 9042-2004
Codeofchina.com is in charge of this English translation. In case of any doubt about the English translation, the Chinese original shall be considered authoritative. Annex A of this standard is normative. This standard was proposed by the Civil Explosive Equipment Supervision and Administration Bureau of Commission of Science, Technology and Industry for National Defense (COSTIND). This standard is under the jurisdiction of the China Ordnance Industrial Standardization Research Institute. Drafting units of this standard: Huaibei Blasting Equipment Product Quality Supervision and Inspection Center of Coal Industry. Main drafters of this standard: Xia Bin, Song Jialiang and Chen Zhilin. Test method of electrostatic sensitivity for industrial electric detonator 1 Scope This standard specifies the equipment, test procedure and result expression for testing of electrostatic sensitivity of industrial electric detonators. This standard is applicable to testing for electrostatic sensitivity of industrial electric detonators, and the testing for electrostatic sensitivity of other kinds of electric initiating explosive devices may be used for reference. 2 Normative references The following documents contain provisions which, through reference in this text, constitute provisions of this standard. For dated references, subsequent amendments (excluding corrections), or revisions, of any of these publications do not apply to this standard. However parties to agreements based on this standard are encouraged to investigate the possibility of applying the most recent editions of the normative documents indicated below. For undated references, the latest edition applies. GB/T 8170 Rules of rounding off for numerical values 3 Principle The electrostatic discharge effect on an industrial electric detonator may be equivalently regarded as the discharge effect of a capacitor charged to certain voltage between a pin wire and a shell of the detonator. The electrostatic sensitivity of the electric detonator is expressed by the charging voltage required if the firing probability of the detonator, detonated under the electrostatic discharge effect, is 50% or by the firing number under fixed voltage. 4 Apparatus 4.1 Electrostatic sensitivity meter See Figure 1 for the principle of an electrostatic sensitivity meter. The technical indicators of the meter shall meet the following requirements: a) The highest output value of electrostatic voltage shall be not less than 30kV; b) The minimum division value of electrostatic voltage shall be not more than 0.2kV. c) The relative error of the energy storage capacitor of the meter is not more than 5%; d) The relative error of the series resistance of the meter is not more than 5%. 4.2 Anti-explosion box 5 Sample preparation 5.1 Place the sample at (22±8)℃ for more than 2h.
Contents of WJ/T 9042-2004
Foreword iii 1 Scope 2 Normative references 3 Principle 4 Apparatus and device 5 Sample preparation 6 Test conditions 7 Test procedure 8 Presentation of results Annex A (Normative) Test rules of lifting method and statistical calculation of 50% ignition voltage value and standard deviation
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