FUKUDA CardiMAX FX-7202 ECG Machine ECG AMP Board PCB-6867C Used in Good Working ECG Machine Part

►Brief Introduction

Cardimax FX-7202 complies with the safety standards IEC60601-2-25 (1999) and IEC60601-1-2 (2001). However, if there is strong electromagnetic waves in the vicinity that exceed the regulations, the device may malfunction. In such a case, please take the necessary measures.
Effects of radiated electromagnetic waves:
The use of mobile phones may affect the operation of the FX-7202. Please ask the personnel in charge of the facility housing medical electronic equipment to turn off mobile phones and small radios.
Effects of sudden conducted electromagnetic waves:
High-frequency noise from other equipment may enter the FX-7202 through the AC outlet. Identify the source of the noise and, if possible, stop using the device.
If it is not possible to turn off the device, take measures to block this noise path using noise suppression equipment, etc.
Effects of static electricity:
Electrostatic discharge may affect the operation of the FX-7202, especially in a dry environment (room) in winter. Before using the FX-7202, humidify the room or discharge static electricity from the patient and the person recording the ECG.

► Specifications

►ECG signal input circuit

Input protection and filter circuit: Receives ECG signals at the ECG leads, eliminates high-frequency interference, and prevents damage to the circuit caused by defibrillation high voltage and electrostatic discharge.

Right leg drive circuit: Picks up 50/60Hz common-mode signals at the leads and feeds them back to the patient's body to suppress common-mode interference at the leads and better detect the ECG signal.

Lead missing detection circuit: Detects ECG lead falling off and sends related information to the CPU.

A/D

Convert analog signals output from each parameter circuit into digital signals, and send them into CPU part to receive further processing.

Power & Signal Isolate Circuit

Realize isolation from external circuit in order to ensure human safety;

Provide power supplies for circuits;

Realize isolating communication between CPU System and main board.

CPU System

Realize logic control over all parameter parts and A/D part.

Process data of each parameter;

Communicate with main board.

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