VialSigns Holter helps you three lead ECG signal measurement. You don't need to have experience about software programming. VitalSigns-Holter takes care of the software efforts. Just simple clicks that you can gather your important three lead ECG waveform and that can be saved as a CSV file.
VitalSigns Holter provides three lead ECG waveform via the handheld device, VitalSigns Holter from VitalSigns Technology (http://www.vsigntek.com).
1. VitalSigns Holter connection via BLE
2. CSV format data output.
You can find more information in the following link.