FreeEMG 300

PROBLEM Existing surface EMG systems are complicated and tethered by wires.

SOLUTION FreeEMG uses small, lightweight, completely wireless probes which allows free range of motion.

Portable and Wireless Surface EMG System

BTS FREEEMG 300 represents a generational leap in diagnostic device technology for surface dynamic electromyography analysis.

Based entirely on wireless technologies, BTS FREEEMG 300 uses up to 16 miniaturized probes with active electrodes weighing less than 9 grams each for signal acquisition and transmission.

BTS FREEEMG 300 represents an improvement in the performance of the FREEEMG systems already in use by researchers and clinicians throughout the world. These practitioners need to be able to rely on a highly efficient system that is easy to configure and use, for a variety of clinical and research applications.

The probes amplify the EMG signals, digitize them and communicate with the compact and lightweight receiving unit, which can either be worn by the patient, left on the table or held by the doctor.


The complete absence of wiring not only minimizes patient discomfort during preparation, but also allows for full range of unrestricted motion during the task. The probes' variable geometry and the substantially reduced size and weight allow them to be used on any body segment and during all types of movement (walking, running, jumping, etc) on a variety of subjects without affecting motor patterns. Due to the use of environmentally friendly rechargeable batteries, several hours of data can be recorded.

BTS FREEEMG 300 is supplied with Myolab, the smart and easy to use software that BTS has developed for EMG signal acquisition, visualization, and a first level of processing.

BTS Myolab with its analysis tools is the most flexible solution providing advanced analysis, including the localized muscle fatigue measurement and cyclic contraction computing. As an option for advanced EMG software applications BTS also offers BTS EMG-Analyzer and BTS EMGenius.

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