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BIOPAC Hardware | Accelerometers | Page 3 - 3 Updated: 11.19.2013
BIONOMADIX WIRELESS ACCELEROMETER
The BioNomadix wireless Tri-axial Accelerometer (BN-ACCL3) is a
broad spectrum acceleration measurement system. The transmitter can
be attached to any part of the subject's body to measure three-axis
acceleration associated with movement in that particular location.
The system comes factory preset to support an operational range of
±16 G, with a maximum system bandwidth of 400 Hz. Ranges can be
set to as low as ±2 G with bandwidths as low as 3 Hz.
The system can also be configured to act as a "tap detector," detect
either single or double taps. In this mode, the system can act as an
event recorder for self-report. When "double-tapped," for example, the
system will output a pulse to precisely mark the time location of the
observed event.
In Acceleration measurement mode, the BN-ACCL3 will output X, Y
and Z acceleration values on three associated channels. The system is
very well suited for mobile applications. The system can measure the acceleration of gravity (static) for tilt-
sensing and can also measure very fast-changing, dynamic acceleration resulting from rapid movement or impact
.
BN-ACCL3 Specifications
See also: Tri-Axial Accelerometer Data Analysis – App Note 266
BioNomadix BN-ACCL3
Signal type: G (X, Y, Z)
Bandlimits Max:
Factory preset:
Filter Options:
Alternative signal:
±2, ±4, ±8 or ±16 G
± 16 G at 400 Hz LP
DC to 3.13 Hz LP up to 400 Hz LP (in power of 2 steps)
Tap Event Mark Mode (replaces G)
Noise (resolution):
X: 5 mg rms, Y: 6 mg rms, Z: 9 mg (rms) (±2 G scale at 400 Hz LP)
Signal range:
Selectable: ±2, ±4, ±8 or ±16 G
Output Voltage range: ±10 V (receiver output)
Transmitter type & rate
Type: Ultra-low power, 2.4 GHz bi-directional digital RF transmitter
Rate: 2,000 Hz (between transmitter and receiver)
Delay Large fixed component (12.5 ms) and small variable component (±0.5 ms)
Operational range:
10 meters (line-of-sight) typical in standard laboratory setups. See also: Operational Range and
Characteristics.
Operational temp:
5-45° C
Operational humidity:
95% non-condensing
Transmitter Battery:
Charger:
BioNomadix transmitters use an L-ion battery: full charge takes approx. 1 hour to provide maximum
operating time.
A battery charger is included with each module pair. See BN-CHARGER for charge time and
recharge cycle details.
Operating time: 72-90 hours
Receiver Power: Use with an MP Research System or with isolated power supply IPS100C for 3rd-party data
acquisition system.
Included strap: 33 cm - BN-STRAP33
Size & Weight: Transmitter (approx.): 6 cm x 4 cm x 2 cm; 54 grams; Receiver (approx.): 4 cm x 11 cm x 19 cm;
380 grams
Input: Attach BioNomadix transmitter to subject – no additional hardware input required; sensor is internal
to transmitter.
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