CONTINUOUS REGISTRATION OF BODY WEIGHT

CONTINUOUS REGISTRATION OF BODY WEIGHT

The report describes a device for continuous recording of the weight of a human subject. The frame on which the subject may either sit or lie is carried by three load cells mounted as a tripod. The electrical signals from the strain-gauges permit detection of a weight change of one gram. Insulation...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Hertzman,Alrick B, Flath,Franz, Coleman,Bernell, D'Agrosa,Louis S
Format: Report
Sprache:eng
Schlagworte:
BODY WEIGHT
CIRCUITS
HEAT TOLERANCE
HUMANS
MEASURING INSTRUMENTS
RECORDING SYSTEMS
STRESS(PHYSIOLOGY)
THERMISTORS
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Beschreibung
Zusammenfassung:The report describes a device for continuous recording of the weight of a human subject. The frame on which the subject may either sit or lie is carried by three load cells mounted as a tripod. The electrical signals from the strain-gauges permit detection of a weight change of one gram. Insulation and heating of the load cells to a constant temperature =0.1C permit use of the system in the presence of rapid changes in environmental temperatures. Circuits are described for automatic regulation of load cell temperature. (Author)