Home Cart Quotation About-Us
www.ChineseStandard.net
SEARCH

JJG 744-2004 English PDF

Q: How long will the true-PDF of English version of JJG 744-2004 be delivered?

Upon your order, we will start to translate JJG 744-2004_English as soon as possible, and keep you informed of the progress. The lead time is typically 4 ~ 6 working days. The lengthier the document the longer the lead time.

Q: Can I share the purchased PDF of JJG 744-2004_English with my colleagues?

Yes. The purchased PDF of JJG 744-2004_English will be deemed to be sold to your employer/organization who actually pays for it, including your colleagues and your employer's intranet.

Q: Does the price include tax/VAT?

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). Avoidance of Double Taxation Agreements (DTAs) between Singapore and 100+ Countries: https://www.iras.gov.sg/taxes/international-tax

Q: Do you accept my currency other than USD?

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.

Q: Should I purchase the latest version JJG 744-2004?

Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version JJG 744-2004 even if the enforcement date is in future. Complying with the latest version means that, by default, it also complies with all the earlier versions, technically.

US$829.00 · In stock
Delivery: <= 6 days. True-PDF full-copy in English will be manually translated and delivered via email.
JJG 744-2004: Verification Regulation of Medical diagnostic X-ray Radiation Source
Status: Valid

JJG 744: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
JJG 744-2004	829	Add to Cart	6 days	Verification Regulation of Medical diagnostic X-ray Radiation Source	Valid
JJG 744-1997	479	Add to Cart	4 days	Verification Regulation of Medical Diagnostical X Ray Radiation Source	Obsolete
JJG 744-1991	RFQ	ASK	3 days	Medical Diagnostical x Ray Radiation Source	Obsolete

Similar standards

GB/T 3222.1 JJG 188 JJF 1396 JJG 852 JJG 377 JJG 393

Basic data

Standard ID: JJG 744-2004 (JJG744-2004)
Description (Translated English): Verification Regulation of Medical diagnostic X-ray Radiation Source
Sector / Industry: Metrology & Measurement Industry Standard
Classification of Chinese Standard: A58
Classification of International Standard: 17.240
Word Count Estimation: 32,311
Date of Issue: 2004-06-04
Date of Implementation: 2004-12-01
Older Standard (superseded by this standard): JJG 744-1997
Quoted Standard: GB 9706.12-1997; GB 8279-2001; GB 9706.3-2000; GB 3100-1993; GB 3101-1993; GB 3102-1993; GB/T 11755.1-1989; GB/T 11755.2-1989; GB/T 10149-1988; SJ/T 11094-1996; WS/T 189-1999; YY/T 0063-2000; FEDERAL PERFORMANCE STANDARD FOR DIAGNOSTIC X-RAY SYSTEMS AND THEIR MAJOR COMPONENTS; FINAL RULE. DEPARTMENT OF HEALTH AND HUMAN SERVICES FOOD AND DRUG ADMINISTRATION 21 CFR PART 1020 [FEDERAL REGISTER: MAY 19, 1994] PART VI
Summary: This standard applies to medical diagnostic X-ray radiation of the first test, follow-up testing and use of the test. This procedure does not apply to X-ray (CT) radiation, digital photography (CR, DR) radiation, mammography radiation.

JJG 744-2004: Verification Regulation of Medical diagnostic X-ray Radiation Source

---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.
Verification Regulation of Medical diagnostic X-ray Radiation Source People's Republic of China National Metrological Verification Procedures Medical diagnostic X-ray radiation source 2004-06-04 released 2004-12-01 implementation General Administration of Quality Supervision, Inspection and Quarantine released Medical diagnostic X-ray radiation source Verification procedures Replacing JJG 744-1997 This regulation was approved by the General Administration of Quality Supervision, Inspection and Quarantine on June 04,.2004, and since December 1,.2004 shall come into force. Administrative Organization. National Ionizing Radiation Measurement Technical Committee Main drafting units. Beijing Institute of Metrology Capital Medical University Medical Instrument Quality Control Technology Research Center Participated in the drafting unit. Beijing Siemens Technology Development Co., Ltd. Beijing Wandong Medical Equipment Co., Ltd. This procedure entrusts the National Ionizing Radiation Measurement Technical Committee to explain The main drafters of this procedure. Guo Hongtao (Beijing Institute of Metrology) Peng Mingchen (Capital Medical University Medical Instrument Quality Control Technology Research Center) Participate drafters. Liang Shaohua (Beijing Siemens Technology Development Co., Ltd.) Cao Yongjun (Beijing Wandong Medical Equipment Co., Ltd.)

1 Scope (1) 2 References (1) 3 Terms and measurement units (1) 3.1 Terms (1) 3.2 Unit of Measure (2) 4 Overview (2) 5 measurement performance requirements (2) 5.1 radiant output air kerma rate (2) 5.2 Radiation output quality (2) 5.3 Repeatability of Radiation Output (2) 5.4 Radiation Output Linearity (2) 5.5 resolution (4) 5.6 Radiation field and light field consistency (4) 5.7 X-ray tube voltage (4) 5.8 X-ray tube current (4) 5.9 X-ray tube focal point (4) 5.10 Loading time (5) 6 General technical conditions (5) 6.1 Appearance and logo (5) 6.2 Electrical Machinery and Protective Performance (5) 6.3 Manual (5) 7 measuring instruments control (5) 7.1 test conditions (5) 7.2 test items (6) 7.3 test method (7) 7.4 Verification Results Processing (15) 7.5 Verification Period (15) Appendix A Certificate of Verification and Notice of Verification Results (Inside Page) Format (16) A.1 Certificate of Verification (inside page) format (16) A.2 Test result notification (inner page) Format (18) Appendix B various X-ray tube models and related technical parameters (19) Medical diagnostic X - ray radiation source verification procedures

1 Scope

This procedure applies to the first test of medical diagnostic X-ray radiation source, follow-up test and the use of the test. This procedure does not apply to X-ray (CT) radiation sources, digital radiography (CR, DR) radiation sources, mammography Radiation source.

2 References

This regulation cites the following documents. GB 9706.12-1997 "Medical Electrical Equipment Part I. Safety General Requirements Third, the standard parallel diagnosis Broken X-ray equipment radiation protection General requirements " GB 8279-2001 "medical X-ray diagnosis of radiation health protection requirements" GB 9706.3-2000 "Medical electrical equipment - Part 2. Diagnostic X-ray generator high-voltage generator Special safety requirements " GB 3100 ~ 3102-1993 "quantity and unit" GB/T 11755.1 ~ 11755.2-1989 "medical diagnostic X-ray tube voltage and tube current test method" GB/T 10149-1988 "Medical X-ray equipment terminology and symbols" SJ/T 11094-1996 "Medical X-ray image intensifier TV system performance parameters measurement method" WS/T 189-1999 "Medical X-ray diagnostic imaging quality control testing specification" YY/T 0063-2000 "Medical diagnostic X-ray tube assembly focus characteristics" Federal Performance Standard for Diagnostic X-ray Systems and Their MajorCom- ponents; Final Rule. Department of Health and Human Services and Drug Admin- istration21CFRPart 1020 [FederalRegister. May19,.1994] Part VI When using this code, care should be taken to use the currently valid version of the above cited references.

3 Terms and measurement units

3.1 Terms 3.1.1 Kinetic kerma Uncharge ionized particles, the mass of the material in the dm release of all charged particles of the initial kinetic energy Sum dEtr divided by dm. The symbol is K. 3.1.2 kermarate energy rate kermarate The increase in kinetic energy, dK, over dt, divided by dt. The symbol is K. 3.1.3 Half price layer half-valuelayer The thickness of the weakened layer that reduces the amount of unidirectional particle flow to half the initial value. The symbol is HVL. 3.1.4 X-ray tube voltage X-raytubevoltage Potential difference between anode and cathode of X-ray tube. ......

Image

Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of JJG 744-2004_English be delivered?

Answer: Upon your order, we will start to translate JJG 744-2004_English as soon as possible, and keep you informed of the progress. The lead time is typically 4 ~ 6 working days. The lengthier the document the longer the lead time.

Question 2: Can I share the purchased PDF of JJG 744-2004_English with my colleagues?

Answer: Yes. The purchased PDF of JJG 744-2004_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.

Question 5: Should I purchase the latest version JJG 744-2004?

Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version JJG 744-2004 even if the enforcement date is in future. Complying with the latest version means that, by default, it also complies with all the earlier versions, technically.