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https://iiif.si.eduView ManifestView in Mirador ViewerUsage Conditions May ApplyUsage Conditions ApplyThere are restrictions for re-using this media. For more information, visit the Smithsonian's Terms of Use page.
IIIF provides researchers rich metadata and image viewing options for comparison of works across cultural heritage collections.
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https://iiif.si.eduView ManifestView in Mirador Viewer
The LSLE Activity Monitor (Actigraph) is a wrist-worn instrument that records body motion. The device uses a piezoelectric sensor to detect zero crossings. The zero crossing counts are stored in a 64K RAM memory chip that uses an interface unit to a PC for initialization and memory download. The interface unit is not flight-qualified so the analysis and initialization is performed on the ground. Memory capacity depends on the data packing option selected. The number of counts stored during a time period or epoch is programmed pre-flight. The packing options are optimized for expected activity (awake or sleep), memory capacity and battery life. The unit is powered by two 160 mAH lithium cells powers. The actigraph uses a wristband made of Nomex and Velcro to meet flight material requirements and ease of attachment in microgravity.
NASA transferred this monitor to the Museum in 2012.
Display Status
This object is not on display at the National Air and Space Museum. It is either on loan or in storage.
Object Details
Country of Origin
United States of America
Type
EQUIPMENT-Medical
Manufacturer
Precision Control Design, Inc., United States of America Dimensions
3-D: 9.5 × 8.9 × 4.4cm, 0.1kg (3 3/4 × 3 1/2 × 1 3/4 in., 1/4lb.) Materials
Aluminum, steel, brass, nylon, Velcro, adhesive decal Inventory Number
A20130028000
Credit Line
Transferred from the National Aeronautics and Space Administration
Data Source
National Air and Space Museum
Restrictions & Rights
Usage conditions apply
For more information, visit the Smithsonians Terms of Use.