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Device #2

Updated by Redmine Admin 6 months ago

## Identification 

 Model: ECG1200G 

 12-channel Electrocardiograph is such a kind of electrocardiograph, which gathers 12-lead ECG signals simultaneously and prints out the ECG waveforms with thermal printing system.  

 ## Documentation 

 1. Service Manual: https://tickets.chezo.africa/attachments/11 

 ## Issues 

 ### The device shows no signal when the electrode are on. signal. 

 **Description** 

 1. The device is switched on 
 2. The cables are connected at the device 
 3. At least, the big clips cables are connected to a living person (hand+foot) 
 4. The device is set to measure something 
 5. No changing signal is shown. 

 **Investigation Results** 

 * The Sensor board is powered when the measurement is enabled. 
 * Electricity can be measured at the connector to the cables. 
 * All cables are checked using a Multimeter and showing a resistance less than 10 Ohm (as specified) 

 ## Images A proper test method is to apply all big clips to itself, at least a changing signal should be shown during measurement.

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