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BioNomadix 2Ch Wireless EEG Amplifier

BioNomadix®: Physiology Where, When, and How You Want

Amplifier for wireless, wearable physiology

BioNomadix 2Ch Wireless EEG Set
Part #: BN-EEG2

The Dual Wireless EEG BioNomadix Pair consists of a matched transmitter and receiver module. The matched pair is specifically designed to measure two channels of Electroencephalogram (EEG) data and emulates a “wired” connection from the computer to subject, with all the benefits of a fully-wireless recording system. These units interface with the MP150 and data acquisition and analysis platform and AcqKnowledge software, allowing advanced analysis for multiple applications and supporting acquisition of a broad range of signals and measurements.

EEG signal data is transmitted at a rate of 2,000 Hz, providing an extremely high resolution EEG waveform at the receiver’s output. Raw data from the pair is bandlimited from 0.1 Hz to 100 Hz, to provide a very high quality recording. The matched pair incorporates internal highpass and lowpass filters to provide for high quality amplification of the EEG waveform with its associated discharges, spindles and other synchronous neuronal activity. The high signal to noise ratio and high time-based sampling resolution permit the pair to be used for exacting episodic counting studies or event-related potentials, such as P300.

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MODULAR CONSTRUCTION

Amplifiers snap together for easy system configuration and re-configuration.

Intuitive, Elegant AcqKnowledge Software

Powerful automated analysis. Instantly & easily view, measure, analyze, transform, and report data.

Powerful MP160 Data Acquisition and Analysis System

Flexible, proven modular data acquisition and analysis system for life science research.

BioNomadix Dual Ch wireless EEG
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Part #: BN-EEG2
Categories: Amplifiers - Research, BioNomadix Wireless Wearable Physiology - Research
Subcategories: Biopotential Amplifiers - Research, Transmitter-Receiver Amplifiers - Research

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Due to battery operation of the wireless transmitter and close proximity to the subject’s body, common-mode rejection ratio is extremely high, considerably in excess of any typical wired EEG recording system. Accordingly, notch filters to remove mains interference (50 or 60 Hz) are typically not required.

Collect data from two scalp sites with either unipolar (referential) or bipolar montages.

Using the equation generator in AcqKnowledge, a bipolar measurement can be extracted between two unipolar measurements referenced to a common point, such as the mastoid or earlobe. Use the AcqKnowledge software to automatically filter the raw EEG signals – wide bandwidth EEG data can be filtered to lower values to accommodate closer inspection of specific EEG frequencies, such as Delta, Theta, Alpha, Beta and Gamma wave activity and to provide a full frequency analysis of the data; the software will also remove any EOG artifact in the signals.

EEG100C EEG amplifier and frequency analysis using BIOPAC Acq;Knowledge software

Biopotential amplifier/transmitter signal to noise ratio is very high (in excess of 70 dB), as the noise floor of the amplifier/transmission system is only 0.2 µV rms (bandwidth of 0.10 Hz to 100 Hz).

The module set has a fixed gain of 10,000. The largest EEG signal which can be measured is 2 mV P-P, the smallest signal which can be detected is less than 0.2 µV rms.

Interference with other recording modules or systems is greatly minimized because the transmitter is completely battery operated and operates totally independently of any other recording grounds or power sources. The recording transmitter is also extremely safe to use, because there is no physical connection to supply mains.

The transmitter attaches to the subject’s head or neck via stretchy Velcro strap, a stretch-mesh BioNomadix Shirt (see accessories), or Coban™ self-adhesive wrap (WRAP1). The exterior transmitter body dimensions (W x H x D) are approximately 6 cm x 4 cm x 2 cm and it weighs approximately 54 grams.

The transmitter’s battery can provide power for up to 72 hours of continuous operation.


The new BioNomadix series of wireless, wearable physiology monitoring devices for life science research are available for a wide range of signals, including ECG, EEG, EOG, EMG, EGG, Respiration, Pulse, Temperature, Electrodermal Activity, Impedance Cardiography, Accelerometry, and Gyro. BioNomadix are typically dual-channel units, offering either two of the same signal or a combination of signals.

BioNomadix noninvasively record high-quality, full-bandwidth data while comfortably allowing subjects to move freely in natural indoor environments. Each BioNomadix device consists of two parts, a transmitter that is worn by the subject to amplify and send the physiological data, and a receiver module. BioNomadix transmitters use digital transmission and short leads or transducers placed close to the signal source to provide excellent signal quality. BioNomadix are configured for specific signal types, so you don’t have to adjust settings on the hardware or software for high quality data.

Multiple BioNomadix can be used to provide the optimum signal combination for a research study requiring biopotential or transducer signals.

When used with a BIOPAC MP System, up to 16 channels of BioNomadix data can be recorded for multi-subject or multi-parameter protocols. The system also works with multiple MP150 systems or third-party data acquisition hardware via an isolated power supply module (IPS100C). AcqKnowledge software adds the power of sophisticated automation and scoring routines for each signal type, plus customization options.

BioNomadix accessory items include transducers, electrode leads, and a custom, pocketed stretch-mesh shirt to comfortably hold multiple devices in place. The shirt has zippers placed for easy access to electrode sites and is available from extra small to extra large.

Developed and manufactured by BIOPAC Systems Inc., a leader in life science data acquisition and analysis, the new BioNomadix series delivers all the benefits of a wireless solution with the signal quality & integrity of a wired system. BioNomadix provides a cost-efficient option for uncompromised wireless physiological subject monitoring.

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