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BIOPAC Hardware | Gonio-Torsio | Page 1 - 9 Updated: 11.21.2013
Goniometers & Torsiometers
TSD130 Series BN-GON-XDCR Series
SS20L-SS24L BN-TOR-XDCR Series
SS20-SS24 BN-GON-F-XDCR
In the exam
ple abo
ve, the TSD13
0A wa
s conne
cted
dire
ctly to a DA100C amplifier,
the DA100C gain was set to 1,000, and AcqKnowledge was used to calibrate the
signal to provide angular measurements from approximately +90° to -90°.
Transducer
MP1XX (DA100C) MP3X/MP45 TEL100C BN-GONIO
Twin-axis Goniometer 110 TSD130A S20L SS20 BN-GON-110-XDCR
Twin-axis Goniometer 150 TSD130B S21L SS21 BN-GON-150-XDCR
Torsiometer 110 TSD130C S22L SS22 BN-TOR-110-XDCR
Torsiometer 150 TSD130D S23L SS23 BN-TOR-150-XDCR
Single-axis Goniometer 35 TSD130E S24L SS24 BN-GON-F-XDCR
BIOPAC Goniometers and Torsiometers are designed for the measurement of limb angular movement. Goniometers
transform angular position into a proportional electrical signal. Goniometers incorporate gauge elements that measure
bending strain along or around a particular axis.
BIOPAC goniometers are unobtrusive and lightweight, and can be attached to the body surface using double-sided
surgical tape (and can be further secured with single sided tape). The goniometers have a telescopic endblock that
compensates for changes in distance between the two mounting points as the limb moves. The gauge mechanism allows
for accurate measurement of polycentric joints. All sensors connect directly to the BIOPAC Acquisition Unit as part of an
MP or BSL System. Activity data can be displayed and recorded, leaving the subject to move freely in the normal
environment.
The bending strain is proportional to the sum total angular shift along the axis. Because the bending force is extremely
small, the output signal is uniquely a proportional function of the angular shift.
Twin-axis Goniometers Dual output devices that can measure angular rotation about two orthogonal planes
simultaneously. Goniometers provide outputs to simultaneously measure around two
orthogonally rotational axes (e.g. wrist flexion/extension and radial/ulnar deviations).
—wrist or ankle use TSD130A/SS20L/SS20/BN-GON-110-XDCR
—elbow, knee or shoulder use TSD130B/SS21L/SS21/BN-GON-150-XDCR
Torsiometers Measure angular twisting (as on the torso, spine or neck) as opposed to bending. Torsiometers
measure rotation about a single axis (e.g. forearm pronation/supination).
—neck use TSD130C/SS22L/SS22/BN-TOR-110-XDCR
—along the torso or spine use TSD130D/SS23L/SS23/BN-TOR-150-XDCR
Single-axis Goniometer Measures the angle in one plane only; designed to measure digit joint movement.
—fingers, thumb or toes use TSD130E/SS24L/SS24/BN-GON-F-XDCR
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