ECG-6951D型心电图机定标原理分析与故障解决方案

Calibration principle and fault analysis of ECG-6951D electrocardiograph

心电图机的定标在临床中主要用于测量心电信号幅度大小和校正机器灵敏度。通过对ECG-6951D型数字心电图机定标的原理、技术流程以及电路进行分析,归纳总结定标电路常见的3种故障现象和故障处理方法,为数字心电图机维修提出解决方案。

The calibration of electrocardiograph is mainly used to measure the amplitude of ECG signal and correct the sensitivity of electrocardiograph in clinical practice.Therefore,calibration circuit is an indispensable and important part of electrocardiograph.Through the detailed analysis of the calibration significance,process and circuit principle of ECG-6951D digital electrocardiograph,three common faults and treatment methods of calibration circuit,and the troubleshooting experience of similar faults were summarized,in order to improve the maintenance skills of digital electrocardiograph.