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Parts & Equipment

ECG Device

Repair of amplifier circuits and noise reduction.

Specialized repair of single-channel and multi-channel electrocardiographs including restoration of high-gain low-noise biopotential amplifier circuits, analog and digital filters, galvanic isolation circuits and recording/printing systems. Common faults include 50/60 Hz line noise, motion artifacts, loss of recording channels, thermal print head failures and amplitude/paper speed calibration problems. The repair process is performed using ECG simulators and precision oscilloscopes, and after repair the device is calibrated and safety-tested according to IEC 60601-2-25 standards to maintain diagnostic accuracy.

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