BioNomadix bezprzewodowy wzmacniacz PPG i EDA

BioNomadix bezprzewodowy wzmacniacz PPG i EDA - galeria 2

BioNomadix bezprzewodowy wzmacniacz PPG i EDA - galeria 3

BioNomadix bezprzewodowy wzmacniacz PPG i EDA - galeria 4

BioNomadix Wireless PPG and EDA Amplifier

Name: BioNomadix Wireless PPG and EDA Amplifier
Brand: BIOPAC
SKU: 17919

The BioNomadix wireless PPG and EDA/GSR module pair are advanced devices consisting of a matched transmitter and receiver that allow simultaneous monitoring of two important biological parameters. These two measurements are often recorded at the same time, as they are usually taken on the same part of the body across various studies.

EDA/GSR channel (Electrodermal Activity / Galvanic Skin Response), also known as the electrodermal response or skin conductance response, is used to monitor eccrine activity (skin sweating), which is an indicator of the body’s response to stress, emotions, and other external factors.

These devices work with the MP200 (or the older MP160/MP150) data acquisition and analysis platform and the Acq Knowledge software, enabling advanced analysis for many applications and supporting acquisition of a wide range of signals and measurements.

PPG channel (Photo Plethysmogram) measures blood volume pulse (BVP) using optical plethysmography methods, providing data on heart rate, inter-beat interval, and the dilation and constriction of blood vessels. The measured heart rate variability (HRV) is useful in cardiological research and health monitoring.

The BN-PPGED set enables measurement and transmission of PPG and EDA/GSR data at a 2000 Hz sampling rate, providing high signal resolution at the receiver output. The raw data from the modules is band-limited from DC to 10 Hz for both channels, ensuring fast and precise measurement responses. Thanks to the use of internal high-pass and low-pass filters, the module offers high-quality signal amplification, even in the presence of hand or body movement.

The BN-PPGED module is most commonly used to monitor PPG and EDA/GSR signals on the fingertips of both the left and right hand. However, it is also possible to take measurements on the toes or other parts of the body. Moreover, the PPG signal can be combined with the ECG signal to estimate pulse transit time (PTT) and indirectly determine blood pressure in real time.

Thanks to integration with the Acq Knowledge software, it is possible to perform advanced frequency analysis of the pulse signals generated by the PPG channel, as well as to study event-related electrodermal activity (EDA) and phasic responses. Acq Knowledge offers an electrodermal response scoring tool that locates skin conductance responses in the recording and measures them. This tool also automatically identifies the relevant event-related potentials (ERP).

When battery-powered, the BN-PPGED module’s transmitter features a high common-mode rejection ratio, surpassing traditional wired systems. Filters for removing mains interference (50/60 Hz) are available, but in most cases they are not required. The transmitter is powered independently and operates without a physical connection to the mains power supply, making it safe to use.

The transmitter can be easily attached to the participant’s wrist using an elastic hook-and-loop strap or the optional stretchable BioNomadix shirt, minimizing interference from other modules. Thanks to its independent power supply, it does not require connections to ground or other power sources.

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