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ＸＤＨ－３Ｂ型心电图机维修特例北京迥龙观医院韩春生，张杰故障现象通电开机后，＂准备－观察－记录＂开关置＂记录＂档时走纸速度正常，但不能记录心电信号。按动１ｍＶ定标开关亦无１ｍＶ定标信号打出。不论导联转换开关置于何档记录纸上都只能记录下一条直线。分析检...
XDH-3B electrocardiograph machine maintenance special case Beijing Chunlong Hospital Han Chunsheng, Zhang Jie Symptom After the power is turned on, the “Ready-View-Record” switch sets the “Record” file to normal, but it cannot record the ECG signal. Press 1mV calibration switch also no 1mV calibration signal. The next straight line can only be recorded regardless of where the lead changer is placed on the recording paper. Analysis and inspection...