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Goniometers & Torsiometers

Simultaneous Measurement Goniometer

Measure around two orthogonal rotational axes 

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Twin-axis Goniometer, 110 mm
Part #: TSD130A, TSD130B, TSD130C, TSD130D, TSD130E
Dual-axis output devices provide simultaneous measurements around two orthogonal rotational axes and single-axis output devices measure axial rotation about a single plane.
  • TSD130A and TSD130B are dual-axis goniometers; use these dual output devices to measure limb angular movement (wrist flexion/extension and radial/ulnar deviations).
  • TSD130C and TSD130D are single-axis torsiometers; use these single output devices to measure forearm pronation/supination or similar.
  • TSD130E is a single axis goniometer; use this single output device to measure joint movement (finger or toe).

Goniometers and torsiometers attach to the body using TAPE2 medical adhesive tape. One DA100C is required for each output; accordingly, to measure both axes simultaneously, twin axis goniometers require two DA100C amplifiers.

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Categories: Transducers - Research
Subcategories: Goniometers - Research

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Goniometers and torsiometers are ideal for simple, accurate measurement of joint movement in multiple planes. Sensors are lightweight, flexible, and extremely robust, and can be comfortably worn without hindering the actual movement of the joint, undetected under clothing. The devices provide improved mechanical integrity and electrical performance. The gauge mechanism allows for accurate measurement of polycentric joints. Telescopic endblocks compensate for changes in distance between the two mounting points as the limb moves.

Suggested reading for additional information on goniometry: Legnani G, Zappa B, Casolo F, Adamini R, Magnani PL. A model of an electro-goniometer and its calibration for biomechanical applications. Med Eng Phys. 2000 Dec;22(10):711-22.

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