BioSemi Active-electrodes offer a solution for all problems associated with high electrode impedance's and cable shielding. By integrating the first amplifier stage with a sintered Ag-AgCl electrode, extremely low-noise measurements free of interference are now possible without any skin preparation. The Active-electrode is a sensor with a very low output impedance, all problems with regards to capacitive coupling between the cable and sources of interference, as well as any artifacts by cable and connector movements are completely eliminated. Noise levels as low as the thermal noise level of the electrode impedance (which is the theoretical minimum) are achieved. BioSemi Active-electrodes can only be used with BioSemi amplifiers.

Special attention has been paid to the mechanical construction of the encapsulation of the electrode. The electrode is completely resistant to water and alcohol. All versions have an input protection circuit that protects the electronic amplifier from static discharge. The use of sintered Ag-AgCl electrode material ensures low noise minimal offset potentials and excellent DC-stability (low drift,) without the need for any re-chloration; all versions of the Active electrodes are suitable for low-drift DC measurements. The smart electrical and mechanical design allows us to produce the active electrodes at the same costs (EUR 40,- per electrode) as conventional high quality electrodes. Significant savings on operational costs can be achieved because of the reduced application time, the high reliability of the measurements and the elimination of the re-chlorisation tasks. BioSemi offers Active-electrodes in several versions to adapt to the various needs in the EEG,ECG and EMG field :	Specifications. Pricing. Accessories Request info. Ordercodes
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