Ag-AgCl Reusable

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Ag/AgCl Electrodes for Biopotential Recording

BIOPAC provides a series of resuable Ag/AgCl electrodes for recording biopotentials.  Silver-Silver-Chloride surface electrodes are offered with 4 or 8 mm, shielded or unshielded, snap, Touchproof, RT, or gel hole options.el654.jpg  reusable silver-silver chloride electrodes

BIOPAC EL250 series and EL650 series reusable electrodes incorporate a variety of features which improve biopotential recordings:

  1. Non-polarizable
  2. Sintered to increase electrode/electrolyte contact area
  3. Do not require chloriding
  4. Reusable via resurfacing
  5. High stability recordings, to DC, when used with chloride salt gel electrolyte
  6. Electrolyte gel cavity reduces artifact due to electrolyte/electrode motion and minimizes electrolyte dissipation/drying over long-term recordings
PART EL254 EL254RT EL254S EL258 EL258H EL258RT EL258S
Outer Diameter 7.2 mm 7.2 mm 7.2 mm 12.5 mm 12.5 mm 12.5 mm 12.5 mm
Recording Diameter 4 mm 4 mm 4 mm 8 mm 8 mm 8 mm 8 mm
Height 6 mm 6 mm 6 mm 6 mm 4 mm 6 mm 6 mm
Lead length 1 m 1.5 m 1 m 1 m 1 m 1.5 m 1 m

Used with the Biopac Student Lab system’s hardware, software, and curriculum, these electrodes are part of a complete life science teaching system.