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JJG 1041-2008 English PDF

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JJG 1041-2008: Verification Regulation for Digital Electrocardiographs
Status: Valid

JJG 1041: Evolution and historical versions

Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)StatusPDF
JJG 1041-2008English719 Add to Cart 6 days [Need to translate] Verification Regulation for Digital Electrocardiographs Valid JJG 1041-2008
JJG 1041-1993EnglishRFQ ASK 3 days [Need to translate] Technical Specification of Measurement Assurance Program for Properties of Magnetic Materials Obsolete JJG 1041-1993

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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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