VU-AMS 5fs wearable stress monitor


VU-AMS5fs, device for ECG, ICG and SCL measurement. The current specifications for the VU-AMS are:

Dimensions L x W x H: 126 x 69 x 32 mm
Weight with battery and leads: 260 gr
Data memory: Compact flash up to 4GB
Power: 2 AA Alkaline batteries / 2 AA Nickel-metal hydride batteries
Communication: Infrared to USB
Recording time: 24 to 48 hours



The current version of the VU-AMS can be used to measure:

  • Heart rate / Inter beat Interval (IBI)
  • Heart Rate Variability (SDNN, RMSSD, IBI power spectrum: HF, LF)
  • Respiratory Sinus Arrhythmia (RSA)
  • Pre-Ejection Period (PEP)
  • Left Ventricular Ejection Time (LVET)
  • Respiration Rate (RR) – Stroke Volume (SV) and Cardiac Output (CO)
  • Skin Conductance Level (SCL) and Skin Conductance Responses (SCRs)
  • Tri-Axial Accelerometry (Body Movement)

Intended use of the VU-AMS device is to enable non invasive ambulatory measurement of the autonomic nervous system for research purposes. The VU-AMS is not developed for medical diagnostics.


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