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Electrodes Pre-Wired, Pellets and Disks

Ag/AgCl Electrode Disks

These versatile electrodes have the consistency of soft metal and can be re-shaped by sanding, cutting, drilling and filing. Designed for use in electrochemistry, stimulation, precision bioelectric recording and electrophysiology.


Due to their stability and reproducible results, Ag/AgCl electrodes are excellent for STANDARD and REFERENCE electrodes. Bare electrode pellets with wire have the same qualities as our wired electrodes, low offset voltage, stability, no re-chloriding, reusable and resurfacable, cold sterilization. The silver wire imbedded in the electrode is pure silver and allows for the specific connection that fits the users needs.

Electrical Specifications:

Following are typical values of key parameters between pairs of electrodes of the same size measured after prolonged soaking in 0.9% saline. These are median values from a large sample:

DC offset Voltage (biaspotential): 180 µV,  Drift: 25 µV / h (at constant temperature)   Noise: 1 µV P – P (0.1 – 1  (0.l – l kHz with 60 Hz filtered out)  Polarization (counter EMF): 2 – 4µV at 0.1 µA


Custom Rectangular Disks- Price TBD

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