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DAPA Measurement Toolkit

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ActiGraph (GT1M)

The Actigraph GT1M is an accelerometer which collects information in uniaxial or biaxial modes. It samples at a user-specified epoch rate of 1 - 240 seocnds and outputs data at a count level. It is also capable of collecting raw acceleration data at a sample rate of 30Hz over short time periods.

ActiGraph devices may be worn anywhere on the body (wrist, waist, arm or ankle) using a strap.

Component Detail
Dimensions 3.8 x 3.7 x 1.8 cm
Weight 27g
Battery Life 14 days
Memory 1GB
Sample Epochs 1 - 240 seconds
Output variable Units
ActiGraph counts Counts
Resource Link
Lifestage Reliability and validity literature
First author (year) Title