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10 Trigno Wireless System User’s Guide TM
Trigno
TM
Wireless EMG System Overview
The Trigno
TM
Wireless EMG System is a high-performing device
unparalleled in its sophistication, its reliability and its ease-of-use.
Each EMG sensor has a built-in triaxial accelerometer, a
guaranteed transmission range of 40 m and a rechargeable battery
lasting a minimum of 7 hours. The system is capable of streaming
data to EMGworks Acquisition and Analysis software, and of
generating 16 EMG and 48 accelerometer analog channels for
integration with motion capture and other 3rd party data
acquisition systems. Full triggering features further expand the
possibility for integration with additional measurement
technologies.
Wireless EMG Sensor
Each Trigno Sensor is equipped with the following features:
• transmission range of 40m
• inter-sensor latency < 500us (< 1 sample period)
• self-contained rechargeable battery
• EMG signal bandwidth 20- 450 Hz
• EMG signal sampling rate up to 4000 samples/sec
• EMG baseline noise of <750 nV RMS
• CMRR > 80dB
• 16-bit EMG signal resolution
• integrated triaxial accelerometer
• software selectable accelerometer sensitivity of ± 1.5g or ±6g
• LED User feedback
• battery charge monitoring and status indicator
• environmentally sealed device
• proven parallel bar electrode technology
• contoured sensor-skin interface for maximum signal stability
• auto shutoff
Figure 1. Trigno wireless 4-channel sensor.
Inertial Sensing Axes EMG Electrodes