Trigno™ Flex

Flexible EMG Detection – Multi-purpose Sensor for Numerous Research Applications

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The Trigno™ Flex sensor is an EMG biofeedback sensor designed to be used exclusively as a component of the Trigno™ EMG System. The sensor is designed to accommodate research needs requiring an expanded bandwidth range (10-850 Hz) or an expanded amplitude input range (22mV rti). The original recommended parameters of the standard sensor (20-450Hz, 11mV rti range) are still available as well. The specifications below identify the choices available.

Trigno™ Flex - Bandwidth

Selectable Bandwidth Options

10-850 Hz or 20-450 Hz

Trigno™ Flex

Selectable Dynamic Range Options

11 mV rti or 22 mV rti


Multiple Applications

Perfect for any research protocol

Trigno™ Flex Sensor Mass
~14 g
Transmission Range
40 m

Compatible with Existing

Trigno™ Lab and Trigno™ Mobile

Trigno™ Wireless Systems

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Typical Operating Range1 20 m
RF Frequency Band 2400-2483 MHz (ISM band)
Power Consumption (<)0.130 W
Effective Radiated Power 9 mW
RF Protocol Proprietary
Full-charge Operation Time2, 3 (>)6 hours (typical)
Recharge Time3 2.5 hours
Auto Shut-down timer 300 seconds
Temperature Range4 5 – 40 degrees Celsius
Sensor Input Range5 11 mV (r.t.i.)
22 mV (r.t.i)
EMG Signal HPF Corner6 20 ± 5 Hz, ≥40 dB/dec
10 ± 5 Hz, ≥40 dB/dec
EMG Signal LPF Corner6 450 ± 50 Hz, ≥80 dB/dec
850 ± 100 Hz, ≥80 dB/dec
Filter Design Butterworth
Sampling Period7 27/52 ms
Resolution Depth 16 bits
Baseline Noise ≤ 2.5 uV(r.m.s., r.t.i.)8

≤ 3.0 uV(r.m.s., r.t.i)9

CMRR10 ≤ -80 dB
Enclosure Dimension (sensor) 26 x 37 x 15 mm
Electrode Material Silver
The Trigno™ Wireless EMG Systems are battery-powered biofeedback devices that enable researchers and clinicians to acquire EMG and related signals from subjects for biofeedback purposes. They are intended for relaxation training and muscle reeducation. Interpretation of the EMG and supporting signals by a qualified individual is required.

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