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JJF 1479-2014 English PDF

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US$459.00 · In stock
Delivery: <= 4 days. True-PDF full-copy in English will be manually translated and delivered via email.
JJF 1479-2014: Calibration Specification for Dose Area Product Meters
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
JJF 1479-2014	459	Add to Cart	4 days	Calibration Specification for Dose Area Product Meters	Valid

Similar standards

GB/T 3222.1 JJG 188 JJF 1396 JJF 1474 JJF 1480 JJF 1473

Basic data

Standard ID: JJF 1479-2014 (JJF1479-2014)
Description (Translated English): Calibration Specification for Dose Area Product Meters
Sector / Industry: Metrology & Measurement Industry Standard
Classification of Chinese Standard: A58
Classification of International Standard: 17.240
Word Count Estimation: 20,226
Date of Issue: 8/25/2014
Date of Implementation: 11/25/2014
Quoted Standard: GB/T 20012-2005; IAEA TRS 457; IEC 60731-2011; IEC 61267-2005; IEC 61674-2012
Regulation (derived from): People's Republic of China The State Administration of Quality Supervision, Inspection and Quarantine Notice 2014 (No. 95); AQSIQ Notice 2014 No. 95
Issuing agency(ies): General Administration of Quality Supervision, Inspection and Quarantine
Summary: This Standard applies to the standard dose area product meter, on-site dose area product meter (containing a dose area product calculated) calibration and dose-area ionization chamber.

JJF 1479-2014: Calibration Specification for Dose Area Product Meters

---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 Dose Area Product Meters People's Republic of China National Metrology Technical Specifications Calibration dose area product specification Issued on. 2014-08-25 2014-11-25 implementation The State Administration of Quality Supervision, Inspection and Quarantine released Calibration dose area product specification Focal point. the National Technical Committee of ionizing radiation metrology The main drafting units. China Testing Technology Research Institute Beijing Institute of Metrology detection Participated in the drafting. YIMT test Hunan Institute of Metrology detection Fujian Institute of Metrology This specification commissioned the National Technical Committee is responsible for ionizing radiation measurement interpretation The main drafters of this specification. Zhang Yuan month (China Testing Technology Research Institute) Tao (Beijing Institute of Metrology detection) Xu poem deceive (China Testing Technology Research Institute) Drafters participate. Yang Gan (China Testing Technology Research Institute) Ma Jianmin (YIMT test) Zhang Qin (Hunan Institute of measurement detection) Dong Xu (Fujian Institute of Metrology)

Introduction (Ⅱ) 1 Scope (1) 2. References (1) 3 terminology and units of measurement (1) The term & 3.1 (2) 3.2 units of measurement (2) 4 Overview (2) 5 Metrological characteristics (2) 5.1 leakage current (2) 5.2 Repeatability (2) 5.3 Stability (2) 5.4 Relative intrinsic error (2) Calibration Condition 6 (2) 6.1 environmental conditions (2) 6.2 laboratory calibration of measurement standards and other measuring equipment (3) 6.3 Field calibration of measurement standards and other measuring equipment (3) 6.4 laboratory calibration reference radiation field (3) 7 calibration items and calibration methods (3) 7.1 calibration items (3) 7.2 leakage current (4) 7.3 Repeatability (4) 7.4 Calibration factor (5) 7.5 Relative intrinsic error (6) 7.6 Stability (7) 8 calibration results expression (7) 9 Recalibration interval (7) Appendix A RQR series reference radiation quality (8) Appendix B dose area product meter calibration record format recommended (9) Appendix C dose area product meter calibration certificate within the page format (11) Appendix D dose area product meter calibration Uncertainty Evaluation Example (12)

Introduction

This specification "National Calibration Specifications writing rules" in accordance with the requirements of the preparation JJF 1071-2010 main preparation To the basis for the GB/T 20012-2005 "Medical Electrical Equipment dose area product meter" and IAEATRS457 "Diagnostic radiology dosimetry international regulations" (DosimetryinDiagnosticRadiology. AnInternational CodeofPractice). The specification for the first time to develop. Calibration dose area product specification

1 Scope

This specification applies to the standard dose area product meter, on-site dose area product meter (produced by calculation contained Dose area product) and dose-area ionization chamber calibration. 2. References This specification references the following documents. GB/T 20012-2005 Medical electrical equipment dose area product meter IAEATRS457 diagnostic radiology dosimetry international regulations (DosimetryinDiagnosticRadiology AnInternationalCodeofPractice) IEC 60731.2011 Medical electrical equipment used in radiotherapy ionization chamber dosimeter (Medical electricalequipment-Dosimeterswithionizationchambersasusedinradiotherapy) IEC 61267.2005 Measurement Characteristics of medical diagnostic X-ray equipment radiation conditions (Medicaldiag- nosticX-rayequipment-Radiationconditionsforuseinthedeterminationofcharacteris- tics) IEC 61674.2012 Medical electrical equipment - X-ray diagnostic imaging using ionization chambers and/or semiconductor probe Detector dosimeter (Medicalelectricalequipment-Dosimeterswithionizationchambersand/or semiconductordetectorsasusedinX-raydiagnosticimaging) For dated references, only the dated edition applies to this specification; undated reference documents Member, the latest edition (including any amendments) applies to this specification.

3 terminology and units of measurement

3.1 Terms 3.1.1 dose area product doseareaproduct (PKA) At the same distance from the focal point of useful beam cross-sectional area of the air measured within the useful beam of kerma product. 3.1.2 dose area product rate doseareaproductrate (PKA) Dose-area product per unit time. 3.1.3 leakage current leakagecurrent On the detector signal path and (or) the measuring device appearing, but not by the ionization chamber ionization produced Any current. 3.1.4 Calibration factor calibrationfactor Quotient by dividing the reference value indicated value. 3.1.5 Relative intrinsic error relativeintrinsicerror Under specified reference conditions, the relative error of the instrument indication. ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of JJF 1479-2014_English be delivered?

Answer: Upon your order, we will start to translate JJF 1479-2014_English as soon as possible, and keep you informed of the progress. The lead time is typically 2 ~ 4 working days. The lengthier the document the longer the lead time.

Question 2: Can I share the purchased PDF of JJF 1479-2014_English with my colleagues?

Answer: Yes. The purchased PDF of JJF 1479-2014_English will be deemed to be sold to your employer/organization who actually pays for it, including your colleagues and your employer's intranet.

Question 3: Does the price include tax/VAT?

Answer: Yes. Our tax invoice, downloaded/delivered in 9 seconds, includes all tax/VAT and complies with 100+ countries' tax regulations (tax exempted in 100+ countries) -- See Avoidance of Double Taxation Agreements (DTAs): List of DTAs signed between Singapore and 100+ countries

Question 4: Do you accept my currency other than USD?

Answer: Yes. If you need your currency to be printed on the invoice, please write an email to Sales@ChineseStandard.net. In 2 working-hours, we will create a special link for you to pay in any currencies. Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay.