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Verification Regulation for Digital Electrocardiographs
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JJG 1041-2008
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Technical Specification of Measurement Assurance Program for Properties of Magnetic Materials
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Basic data Standard ID | JJG 1041-2008 (JJG1041-2008) | Description (Translated English) | Verification Regulation for Digital Electrocardiographs | Sector / Industry | Metrology & Measurement Industry Standard | Classification of Chinese Standard | A56 | Classification of International Standard | 17.220 | Word Count Estimation | 31,310 | Date of Issue | 2008-04-16 | Date of Implementation | 2008-07-16 | Regulation (derived from) | ?AQSIQ Announcement 2008 No.45; | Issuing agency(ies) | General Administration of Quality Supervision, Inspection and Quarantine | Summary | This standard applies to the measurement range (-0. 1 ~ 1) MPa dual piston pressure vacuum gauge initial verification, follow-up tests and in-service inspection. |
JJG 1041-2008: Verification Regulation for Digital Electrocardiographs---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 for Digital Electrocardiographs
State verification procedures People's Republic of China
Digital electrocardiograph
Posted 2008-04-16
2008-07-16 implementation
The State Administration of Quality Supervision, Inspection and Quarantine released
Digital ECG test procedures
hs
The regulations by the State Administration of Quality Supervision, Inspection and Quarantine approved on April 16, 2008, and from
From July 16, 2008 into effect.
Focal point. the National Radio Technical Commission metering
The main drafting units. China Institute of Metrology
Participated in the drafting unit. People's Liberation Army medical electromagnetic metering station
This procedure commissioned the National Radio Technical Commission responsible for the interpretation of measurement
The main drafters of this procedure.
Bian Xin (China Institute of Metrology)
Xue Li Yong (People's Liberation Army medical electromagnetic metering station)
Drafters participate.
Jia Jiange (People's Liberation Army medical electromagnetic metering station)
table of Contents
1 Scope (1)
2 Terms and definitions (1)
3 Overview (1)
4 metering performance requirements (2)
4.1 internal calibration voltage (2)
4.2 input voltage range (2)
4.3 Resistance polarization voltage (2)
4.4 weighting coefficient error (2)
4.5 Internal noise level (2)
4.6 Waveform Recognition and amplitude - time parameter measurement (2)
4.7 Frequency Characteristics (2)
Time constant of 4.8 (2)
4.9 heart rate (HR) measurement error (2)
4.10 common mode rejection ratio (2)
5 General Requirements (2)
6 Control of measuring instruments (2)
6.1 Verification condition (2)
6.2 Verification Project (4)
6.3 Verification Methods (4)
Processing 6.4 Verification Results (10)
6.5 test cycle (10)
Appendix A ECG signal simulation standard waveform parameters (11)
Appendix B Format original records (21)
Appendix C test certificate page format (24)
Digital ECG test procedures
1 Scope
The order applies to digital electrocardiograph initial verification, subsequent verification and in-service inspection.
This procedure does not apply to test analog ECG, Vector ECG machine and other special-purpose dedicated ECG machine.
2 Terms and definitions
2.1 ECG signal testECG-signal simulation
An analog voltage signal real body surface ECG signal, meaning their names and parameters of each band and True
Same real ECG signals, and is pre-assigned.
2.2 input voltage dynamic range inputvoltagerange
Is the minimum value of the input signal that can be detected by detecting the electrocardiogram machine (on the tracings of the ECG signal can be determined points
Discern the minimum voltage deviation amount) and maximum (on the tracings of the ECG signal at a predetermined accuracy can
Measurement of the maximum peak - peak voltage amplitude).
2.3 magnitude - time parameters (ECG-signal) amplitude-timeparameters
Used to describe the ECG signal waveform characteristics of a set of values, including amplitude and interval (pulse width) two kinds of parameters.
2.3.1 ECG peak - trough amplitude, P, Q, R (S), T-wave amplitude and ST segment level;
2.3.2 P, Q, R (S), T wave and the QRS wave width, RR, PQ (PR), QT, QRmax, TP,
Inter QR period.
2.4 Waveform parameters recognition identityofsignalshape
The show was recorded and the subject ECG signal simulation of the ECG signal and the input of the amplitude - time parameter placeholders
Combined degree.
3 Overview
Digital ECG machine is a physiological electrical signals of the instrument used to record and display the heart activity generated.
ECG electrodes use digital ECG machine to extract physiological signals from the body via the network input lead, lead selection
Preamplifier is fed to the filter circuit, and then by the A/D converted into the control section, after digital processing, filtering,
After conversion into the recording and display, which records and displays the ECG waveform. Functional block diagram shown in Figure 1.
Block diagram of Figure 1 digital electrocardiograph
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