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JJF 1273-2011 English PDF

US$349.00 · In stock
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JJF 1273-2011: Calibration Specification for Magnetic Particle Flaw Detectors
Status: Valid

JJF 1273: Evolution and historical versions

Standard ID	Contents [version]	USD	STEP2	[PDF] delivered in	Standard Title (Description)	Status	PDF
JJF 1273-2011	English	349	Add to Cart	3 days [Need to translate]	Calibration Specification for Magnetic Particle Flaw Detectors	Valid	JJF 1273-2011
JJF 1273-1990	English	199	Add to Cart	2 days [Need to translate]	(High frequency (0.1 ~ 5MHz) sound pressure water base operating technical specifications)	Obsolete	JJF 1273-1990

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Basic data

Standard ID	JJF 1273-2011 (JJF1273-2011)
Description (Translated English)	Calibration Specification for Magnetic Particle Flaw Detectors
Sector / Industry	Metrology & Measurement Industry Standard
Classification of Chinese Standard	A55
Classification of International Standard	17.220
Word Count Estimation	15,181
Date of Issue	2011-01-21
Date of Implementation	2011-04-21
Quoted Standard	JJF 1001-1998; JJF 1059-1999; GB/T 5097-2005; GB/T 15822.3-2005; JB/T 4730.4-2005; JB/T 7406-1994; JB/T 8290-1998
Regulation (derived from)	AQSIQ Announcement No. 15 of 2011
Issuing agency(ies)	General Administration of Quality Supervision, Inspection and Quarantine
Summary	This standard applies to AC, DC (half-wave rectifier or a full-wave rectifier) ??magnetic particle inspection machine calibration. This specification does not apply to electromagnetic yoke flaw detector (instrument), rotating magnetic field detection machine (instrument), etc. yoke magnetic particle inspection machine (meter) calibration.

JJF 1273-2011: Calibration Specification for Magnetic Particle Flaw Detectors

---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.
Calibration Specification for Magnetic Particle Flaw Detectors People's Republic of China National Metrology Technical Specifications Magnetic particle testing machine calibration specification Issued on. 2011-01-21 2011-04-21 implementation The State Administration of Quality Supervision, Inspection and Quarantine released Magnetic particle testing machine calibration specification Mag This specification by the State Administration of Quality Supervision, Inspection and Quarantine approved on January 21, 2011, and from From April 21, 2011 into effect. Focal point. the National Technical Committee on Electromagnetic measurement Main drafting unit. Jiangsu Province Institute of Metrology China Testing Technology Research Institute Participated in the drafting unit. Xinjiang Institute of Measurement and Testing Heilongjiang Provincial Institute of Metrology Nanjing East electrical detection equipment Ltd. This specification commissioned the National Technical Committee Electromagnetic responsible for the interpretation of measurement The main drafters of this specification. Fan Yi (Jiangsu Province Institute of Metrology) Shen Jian (China Testing Technology Research Institute) Drafters participate. Full Song (Xinjiang Institute of Measurement and Testing) Chang Group (Heilongjiang Institute of Metrology) Li Lin (Jiangsu Province Institute of Metrology) Gao Jie (Jiangsu Province Institute of Metrology) Zeng German (Nanjing East Power Detection Equipment Co., Ltd.)

1 Scope (1) 2. References (1) 3 terminology and units of measurement (1) 4 Overview (1) 5 Metrological characteristics (2) 5.1 magnetizing current (2) 5.2 residual magnetic flux density (2) 5.3 viewing conditions (2) 5.4 Safety Performance (2) Integrated Sensitivity 5.5 (2) 6 calibration conditions (3) Environmental conditions 6.1 (3) 6.2 standards and other measuring equipment (3) 7 calibration items and calibration methods (3) 7.1 calibration items (3) 7.2 Calibration method (4) 8 calibration results expression (5) 9 Recalibration interval (6) Types Appendix A standard test piece, specifications list (7) Appendix B magnetic particle inspection machine calibration original records (8) Appendix C magnetic particle inspection machine calibration certificate (report) within the page format (10) Magnetic particle testing machine calibration specification

1 Scope

This standard applies to AC, DC (half-wave rectification or full-wave rectification) magnetic particle inspection machine (hereinafter referred to as testing machine) Calibration. This specification does not apply to electromagnetic yoke flaw detector (instrument), a rotating magnetic field detection machine (instrument) and other yoke type magnetic probe Injury (device) calibration. 2. References This specification references the following documents. JJF 1001-1998 common measurement terms and definitions JJF 1059-1999 Evaluation and Expression of Uncertainty in Measurement GB/T 5097-2005 destructive testing - Penetrant testing and magnetic particle testing - Viewing conditions GB/T 15822.3-2005 destructive testing - Magnetic particle testing - Part 3. Equipment JB/T 4730.4-2005 pressure equipment Non-destructive testing - Part 4. Magnetic particle testing JB/T 7406-1994 term testing machine nondestructive testing equipment JB/T 8290-1998 magnetic particle inspection machine When using this specification should be taken in the current valid version of the above referenced files.

3 terminology and units of measurement

3.1 weeks magnetization current circumferentialmagnetizingcurrent Circumferentially magnetizing current is the current carrying conductor directly to the workpiece as produced. The current causes a workpiece Surround the workpiece and the workpiece and the vertical magnetic field circumferentially closed for discovering the workpiece axially parallel defects (longitudinal flaws). 3.2 longitudinal magnetization current lengthwisemagnetizingcurrent Longitudinal magnetization current is the current through the magnetizing coils surround the workpiece. The current in the coil generates a magnetic field Magnetization of the workpiece, whose lines of flux parallel to the axial direction of the workpiece, and the workpiece to detect defects perpendicular to the axial (Transverse defects). Note. The vertical magnetizing current meter ampere-turns generally longitudinal magnetization coil turns provided by the manufacturer.

4 Overview

After the ferromagnetic material is magnetized workpiece, when the workpiece is defective, causing the magnetic field is not continuous, so that the surface And near the surface of the magnetic field lines generated by localized distortion leakage magnetic field applied to the magnetic surface adsorption in suitable The formation of the light indications visual evidence to show the location, size, shape and severity of defects in the workpiece. flaw detection Machine is manufactured based on the above principle non-destructive testing equipment. Testing machine is generally divided into two kinds of fixed and mobile, is based on the principle of variable current source constructed. Stationary Testing machines generally can simultaneously generate longitudinal and circumferential magnetization current magnetizing current, there are two current loop. Mobile testing machine Usually only one set of current loop. Its type, and other specifications are shown in Table 1.

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