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JJF 1606-2016 English PDF

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JJF 1606-2016: Program of Pattern Evaluation of Dosimeters with Ionization Chambers as Used in Radiotherapy
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JJF 1606-2016English2139 Add to Cart 13 days [Need to translate] Program of Pattern Evaluation of Dosimeters with Ionization Chambers as Used in Radiotherapy Valid JJF 1606-2016

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Standard similar to JJF 1606-2016

GB/T 3222.1   JJG 188   JJF 1396   JJF 1613   JJF 1598   JJF 1596   

Basic data

Standard ID JJF 1606-2016 (JJF1606-2016)
Description (Translated English) Program of Pattern Evaluation of Dosimeters with Ionization Chambers as Used in Radiotherapy
Sector / Industry Metrology & Measurement Industry Standard
Classification of Chinese Standard A58
Classification of International Standard 17.240
Word Count Estimation 93,915
Date of Issue 2016-11-30
Date of Implementation 2017-02-28
Quoted Standard JJG 912; JJF 1001-2011; JIG 2043; JIG 2044; GB/T 6587-2012; GB/T 17626.2; GB/T 17626.3; GB/T 17626.4; GB/T 17626.6; GB/T 17626.11; IEC 60731-2011; GB/T 17626.5
Regulation (derived from) State Administration of Quality Supervision, Inspection and Quarantine Notice No.119 of 2016
Issuing agency(ies) General Administration of Quality Supervision, Inspection and Quarantine
Summary This standard applies to the classification of the level of 3718000 treatment level of ionization chamber dosimeter type evaluation.

JJF 1606-2016: Program of Pattern Evaluation of Dosimeters with Ionization Chambers as Used in Radiotherapy


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Program of Pattern Evaluation of Dosimeters with Ionization Chambers as Used in Radiotherapy People's Republic of China National Measurement Specifications Treatment level ionization chamber dosimeter Type evaluation outline 2016-11-30 released 2017-02-28 Implementation General Administration of Quality Supervision, Inspection and Quarantine released Treatment level ionization chamber dosimeter Type evaluation outline Program of Pattern Evaluation The focal point. National Ionizing Radiation Measurement Technical Committee The main drafting unit. China Institute of Metrology Participate in the drafting unit. Beijing Institute of Metrology and Measurement This code is commissioned by the National Ionizing Radiation Measurement Technical Committee responsible for the interpretation The main drafters of this specification. Zhang Hui (China Institute of Metrology) Zhang Yanli (China Institute of Metrology) Participate in the drafters. Guo Hongtao (Beijing Institute of Metrology and Measurement) Gong Xiaoming (China Institute of Metrology) Wang Kun (China Institute of Metrology)

table of Contents

Introduction (Ⅶ) 1 Scope (1) 2 Normative references (1) 3 Terms (1) 3.1 radiotherapy dosimeter (1) 3.1.1 Ionization chamber components (1) 3.1.2 measurement components (2) 3.1.3 stability test device (2) 3.2 Indicating value (3) 3.3 Reference conditions (3) 3.4 standard test value (3) 3.4.1 standard test conditions (3) 3.5 Performance Parameters (3) 3.5.1 Response (3) 3.5.2 Resolution (3) 3.5.3 Balance time (3) 3.5.4 Response Time (3) 3.5.5 stable time (3) 3.5.6 Ionization Chamber Component Leakage Current (3) 3.5.7 Zero drift of measuring components (3) 3.5.8 Measuring component zero displacement (3) 3.5.9 Nonlinearity (4) 3.6 variation (4) 3.7 Variation Limits (4) 3.8 Indicative value of the effective range (4) 3.9 Rated use (4) 3.9.1 Minimum rated range (4) 3.10 Ionization chamber reference point (4) 3.11 Power Supply Network (4) 3.12 calibration factor (4) 3.13 Reference indication value (4) 3.14 Reference Scale Readings (5) 3.15 working level dosimeter (5) 3.16 reference level (standard) dosimeter (5) 3.17 Water absorbed dose (5) 3.17.1 Water Absorption Dose Rate (5) 3.18 Air kerma (5) 3.18.1 Air kerma rate (5) 4 Overview (5) 5 Legal Management Requirements (6) 5.1 Unit Requirements (6) 5.2 Accuracy (uncertainty/maximum allowable error) requirements (6) 5.3 Metering legal signs and marking requirements of measuring instruments (6) 5.3.1 Measurement of legal signs (6) 5.3.2 measuring equipment logo (6) 6 measurement requirements (6) 6.1 Ionization Chamber Component Performance Requirements (6) 6.1.1 Leakage current (6) 6.1.2 Long-term stability (6) 6.1.3 Minimum rated or effective dose rate (6) 6.1.4 Maximum rated or effective dose rate (7) 6.1.5 Radiation field geometry (7) 6.1.6 Polarization polarization effect (7) 6.1.7 Energy Response (7) 6.1.8 Ionization chamber orientation (8) 6.1.9 Shell ionization chamber rod leakage (9) 6.2 Measurement Component Performance Requirements (9) 6.2.1 Effective range (9) 6.2.2 Repeatability (9) 6.2.3 Long-term stability (9) 6.2.4 stable time (9) 6.2.5 Zero drift (9) 6.2.6 Zero point shift (9) 6.2.7 Nonlinearity (10) 6.2.8 Dosimeter Gauging Component Leakage Charge (10) 6.2.9 Dosimetry dose rate response of the measurement module (10) 6.2.10 Range Conversion (10) 6.2.11 Dead time for dosimeter measuring unit (11) 6.2.12 Dose rate meter response time of the measuring unit (11) 7 General technical requirements (11) 7.1 Appearance and Structure (11) 7.1.1 Appearance (11) 7.1.2 Marking (11) 7.1.3 Indication and display (11) 7.1.4 Display or data output terminal resolution (11) 7.2 Function check (11) 7.2.1 Battery indication and compensation (11) 7.2.2 Response time (12) 7.2.3 Input Current Threshold (12) 7.2.4 Automatic termination of measurement in dose mode (12) 7.3 Environmental Adaptability (12) 7.3.1 Temperature (12) 7.3.2 Humidity (12) 7.3.3 Atmospheric pressure changes (12) 7.3.4 Vibration, free fall and roll test (13) 7.3.5 Electromagnetic compatibility (EMC) (13) 7.3.6 Network Power Measurement Module (13) 8 Type Evaluation Item List (13) 9 to provide the number and use of prototypes (15) 9.1 provide the number of prototypes (15) 9.2 provide prototype use (15) 10 Test methods and conditions of test items and data processing and acceptance criteria (16) 10.1 Test conditions (16) 10.1.1 Standard test conditions (16) 10.1.2 Component Test (17) 10.1.3 Nominal or effective range of dose (or kerma) rate (18) 10.1.4 Measurement Uncertainty (18) 10.1.5 Test adjustments (18) 10.1.6 Special Test Conditions for Ionization Chamber Components (18) 10.1.7 Special test conditions for measuring components (18) 10.1.8 Stability test device specific test conditions (19) 10.2 Appearance and function check (19) 10.2.1 Test Purposes (19) 10.2.2 Test conditions (19) 10.2.3 Test Procedure (20) 10.2.4 Pass judgment (20) 10.3 Measurement Performance Check (20) 10.3.1 No radiation leakage (20) 10.3.2 Leakage after irradiation (20) 10.3.3 Long-term stability of ionization chamber components (21) 10.3.4 Minimum rated or effective dose rate (21) 10.3.5 Maximum rated or effective dose rate (22) 10.3.6 Radiation field size (23) 10.3.7 Polarization polarization effect (23) 10.3.8 Energy response of the shell ionization chamber for measuring the kinetic energy of mid-energy X-ray air in air (24) 10.3.9 Shell ionization chamber energy used to measure the kinetic energy of mid-energy X-ray and gamma-ray air in air Response (25) 10.3.10 Photon-irradiated water used to measure the energy range of mid-energy X-rays to 60Co-gamma rays in the phantom Shell ionization chamber energy response to absorbed dose (25) 10.3.11 Shell Ionization Chamber Energy Response for Measuring the Absorbed Dose of High-Energy Photon Radiation Water in a Mold (26) 10.3.12 Shell ionization chamber energy response for measuring absorbed dose of high-energy electron-emitting water in phantoms (26) 10.3.13 For the measurement of air soft X-ray (tube voltage not greater than 100kV) air ratio of the release Energy Response of Parallel Plate Ionization Chamber (27) 10.3.14 Parallel plate ionization chamber energy response for measuring absorbed dose of high-energy electron-emitting water in a phantom (28) 10.3.15 Shell ionization chamber rotation (28) 10.3.16 Ionization chamber inclination (29) 10.3.17 Tilt chamber (29) 10.3.18 Rod Leakage in Shell Ionization Chamber (30) 10.3.19 Effective Range of Measurement Components (31) 10.3.20 Measurement repeatability of measurement components (31) 10.3.21 Long-term stability of measuring components (31) 10.3.22 Settling Time (32) 10.3.23 Zero drift (32) 10.3.24 Zero point shift (34) 10.3.25 Nonlinearity (35) 10.3.26 Measuring Component Leakage Charge (37) 10.3.27 Dose rate response of the measurement assembly (38) 10.3.28 Range Transducers for Dosimeter Measuring Components (39) 10.3.29 Range Conversion of Dosimeter Module (39) 10.3.30 Dose Meter Dead Time for Measuring Components (41) 10.3.31 Response time of the dose rate meter measuring unit (41) 10.4 Environmental Suitability Tests (42) 10.4.1 Temperature test (42) 10.4.2 Humidity test (43) 10.4.3 Atmospheric pressure change test (45) 10.4.4 Vibration, free fall and roll test (45) 10.4.5 Electromagnetic compatibility test (46) 10.4.6 Measurement of network power supply components test (46) 11 Test items used in measuring instruments and equipment table (47) 12 Type evaluation results of the decision (49) 12.1 Single prototype pass judgment (49) 12.2 Single Product Conformity Determination (49) 12.3 Product Qualification (49) 13 Type Evaluation Recording Format (49) Appendix A Type Evaluation Record Format (50) Appendix B Conditions for obtaining absolute humidity approaching 20 gm-3 (82)

Introduction

This type of evaluation outline based on JJF 1015 "type of measurement instruments and type approval of generic specifications" and JJF 1016 "Guidelines for the preparation of evaluation criteria for measuring instruments" and JJF 1001 "General Measurement Terms and Definitions" provisions of the preparation. The technical specifications and test methods of this type evaluation outline refer to JJG2043 "(60 ~ 250) kVX-ray empty Air kerma capable of measuring instruments, "JJG2044" γ-ray air kerma measuring instruments, "JJG912-2000" Governance Treatment of horizontal ionization chamber dosimeter "and IEC 60731.2011" Medical electrical equipment radiotherapy ionization chamber dose Meter "and other measurement technology regulations and international standards. This type of evaluation outline for the first time released. Treatment level ionization chamber dosimeter Type evaluation outline

1 Scope

This version of the evaluation program applies to the classification code 3718000 treatment level ionization chamber dosimeter type evaluation.

2 Normative references

JJG912 treatment level ionization chamber dosimeter Common measurement terms and definitions JJG2043 (60 ~ 250) kVX-ray air kerma capable of measuring instruments JJG2044 γ-ray air kerma capable of measuring instruments GB/T 6587-2012 electronic measuring instruments - General specifications GB/T 17626.2 Electromagnetic compatibility test and measurement techniques Electrostatic discharge immunity test GB/T 17626.3 Electromagnetic compatibility testing and measurement techniques RF electromagnetic field immunity test GB/T 17626.4 Electromagnetic compatibility test and measurement techniques fast transient burst immunity test GB/T 17626.5 electromagnetic compatibility test and measurement techniques surge (impact) immunity test GB/T 17626.6 electromagnetic compatibility test and measurement techniques RF field induced conducted disturbances Immunity GB/T 17626.11 electromagnetic compatibility test and measurement techniques voltage sag, short interruptions and voltage changes Immunity test IEC 60731.2011 Medical electrical equipment Ionizing chamber dosimeters for radiotherapy (Medicalelectrical equipmentDosimeterswithIonizationChambersasUsedinRadiotherapy) For dated references, only the dated version applies to this specification; for undated references The latest version (including all amendments) applies to this outline.

3 Terms

JJF 1001 "common measurement terms and definitions" as defined in the following terms and definitions apply to this specification. 3.1 radiotherapy dosimeter radiotherapydosimeter Measurement of air kerma (rates) of photons, electrons, protons and heavy ion radiation in radiotherapy, Volume (rate) or its spatial distribution of equipment, the device consists of measuring components and one or more ionization chamber components. Note. Radiotherapy dosimeters may include the following components. --- one or more stability testing device; --- One or more motifs or built-in caps; --- One or more extension cable. 3.1.1 ionization chamber components chamberassembly In addition to the measuring unit, the ionization chamber and all other parts permanently fixed to the ionization chamber. Note. Other parts include electrical equipment parts and any permanently attached cables.

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