What kind of input protection do the BioSemi active electrodes have ?
The BioSemi active electrodes are fully protected against "electro static discharge". No special precautions during handling of the electrodes is necessary. The ActiveTwo is also fully protected against TMS pulse
What are reasonable electrical and magnetic levels for an EEG measurement?
The AC (1Hz - 1 kHz) electrical field strength at the subject location should preferable be less than approx. 10 V/m.