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JJG 1043-2008 English PDF

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JJG 1043-2008: Verification regulation of electroencephalographs
Status: Valid

JJG 1043: Historical versions

Standard IDUSDBUY PDFLead-DaysStandard Title (Description)Status
JJG 1043-2008649 Add to Cart 5 days Verification regulation of electroencephalographs Valid
JJG 1043-1993RFQ ASK 3 days Technical Specification of Measure-ment Assurance Program for Veckers Hardness Obsolete

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Basic data

Standard ID: JJG 1043-2008 (JJG1043-2008)
Description (Translated English): Verification regulation of electroencephalographs
Sector / Industry: Metrology & Measurement Industry Standard
Classification of Chinese Standard: A56
Classification of International Standard: 17.220
Word Count Estimation: 28,271
Date of Issue: 2008-05-23
Date of Implementation: 2008-11-23
Older Standard (superseded by this standard): JJG 543-1996
Quoted Standard: OIML R89-1990
Adopted Standard: OIML R89, IDT
Regulation (derived from): ?AQSIQ Announcement 2008 No.72
Issuing agency(ies): General Administration of Quality Supervision, Inspection and Quarantine
Summary: This standard applies to medical syringes initial verification, follow-up tests and in-service inspection.

JJG 1043-2008: Verification regulation of electroencephalographs

---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 electroencephalographs State verification procedures People's Republic of China EEG Posted 2008-05-23 2008-11-23 implementation The State Administration of Quality Supervision, Inspection and Quarantine released EEG test procedures Replacing JJG 543-1996 (EEG section) The regulations by the State Administration of Quality Supervision, Inspection and Quarantine approved on May 23, 2008, and from From November 23, 2008 into effect. Focal point. the National Radio Technical Commission metering Main drafting unit. Measurement and Testing Institute of Inner Mongolia Autonomous Region Participated in the drafting unit. Beijing Institute of Metrology detection This procedure commissioned the National Radio Technical Commission responsible for the interpretation of measurement The main drafters of this procedure. Ning Quan (Inner Mongolia Metrology Institute) Lv Jinhua (Inner Mongolia Metrology Institute) Cao Guixuan (Inner Mongolia Metrology Institute) Drafters participate. Zhangjian Ling (Beijing Institute of Metrology detection) Praise (Beijing Institute of Metrology detection)

table of Contents

1 Scope (1) 2. Referenced Documents (1) 3 Overview (1) 4 metering performance requirements (1) 4.1 Calibration voltage (1) 4.2 Voltage Measurement (1) 4.3 the sensitivity (gain) (1) Interval 4.4 (1) 4.5 recording speed (1) 4.6 Record lag (1) 4.7 standard (1) 4.8 Overshoot (1) 4.9 time constants (1) 4.10 Frequency Characteristics (2) 4.11 filter (2) 4.12 base line width (2) 4.13 Baseline Wander (2) 4.14 Noise (2) 4.15 common mode rejection ratio (2) 4.16 Resistance polarization voltage (2) 4.17 Input impedance (2) 5 General Requirements (2) 6 Control of measuring instruments (2) 6.1 Verification condition (2) 6.2 Verification Project (3) 6.3 Verification Methods (4) 6.4 test results processing (13) 6.5 test cycle (13) Original record format in Appendix A (14) Appendix B test certificate-page format (18) Appendix C test results in the notice page format (20) Appendix D 10-20 International EEG system leads connection diagram (21) Appendix E EEG Measurement Uncertainty (22) EEG test procedures This procedure is equivalent to using international recommendations OIMLR89 EEG machine metrological performance, test methods and equipment. root According to China's actual situation, the individual test items slightly modified.

1 Scope

The order applies to a minimum of 8-channel analog EEG for medical diagnostic machines for initial verification and follow-up inspection set. This procedure does not apply to the information processing EEG EEG measuring instruments, digital EEG and special purpose.

2 Citations

Electroencephalographs-Metrologicalcharacteristics Methodsandequipmentfor verificationINTERNATIONALRECOMMENDATIONOIMLR89Edition1990 (E) When using this procedure, it should pay attention to using the currently valid version of the documents cited.

3 Overview

Measurement methods and measuring the performance of the procedure is to ensure that the basic EEG meet the clinical application of accuracy to begging. This procedure does not include the production process and electrical safety requirements.

4 metering performance requirements

4.1 Calibration voltage (amplitude internal calibrator). maximum permissible relative deviation ± 5% or ± 2μV (take large tolerance By). 4.2 Voltage measurement. the maximum permissible relative error by ± 101 U1U in % Calculated (where U1 is the voltage measurement range The minimum value, the minimum value of five times the sensitivity. For example. The minimum sensitivity of the subject EEG 1μV/mm, the The minimum value of the voltage measurement range is 5μV). 4.3 sensitivity (gain). The maximum allowable relative error of ± 5%. 4.4 Interval. maximum permissible relative error by ± 51 T1T in % Calculated (where T1 is the time interval measurement range Min Wai, equal to 0.05s). 4.5 Record Speed. Maximum allowed relative deviation of ± 5%. 4.6 Record lag. lag recording system is not greater than 0.5mm. 4.7 standard. the maximum permissible relative deviation of ± 5%. 4.8 Overshoot. not more than 10%. 4.9 Time constant. 0.03s ~ 0.1s, the maximum permissible relative error of ± 20%. Greater than 0.1s, the maximum permissible relative error of ± 40%.
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