for the scientific professional

Actical is a non-invasive, omni-directional accelerometer that accurately measures a subject’s energy expenditure and step count. Lightweight, waterproof, and durable, Actical offers real-time ambulatory monitoring to meet your research needs.

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Powerful, accurate, and adaptive physical activity monitoring

Collect valuable physical activity and energy expenditure data simply and reliably to deliver useful outcomes. Customize data reports and analyze Active Energy Expenditure (AEE) occurring over time. Easily monitor your subject’s physical activity with 32 MB of on-board memory and high-speed capabilities.

Actical icon powerful


  • Connect up to 32 MB of physical activity and steps
  • Review data trends in customizable line charts or actograms
  • Calculate physical activity, energy expenditure, and step statistics
  • Select hourly, daily, or custom intervals for calculations
Actical icon accurate


  • Rapid 32 Hz sampling rate
  • Collect data in epochs as short as 1 second
  • Automated calculation of more than 25 statistics
  • Create reports with one click
  • Perform batch processing on a multiple data files simultaneously
Actical icon adaptive


  • 1, 2, and 5 second epoch lengths or raw data collection mode
  • Validated energy expenditure (kcal or METS) when worn on the waist, wrist, or ankle
  • Automated or user-defined energy expenditure cut points
  • Export statistics or raw data in multiple ways
  • Convert between epoch lengths automatically