World Precision Instruments

Monopolar tungsten microelectrodes, standard tip

Code WE3003X.XA3
Tungsten is a versatile and widely-used microelectrode material that offers a good balance between performance and cost.
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Features of tungsten microelectrodes

  • Extremely strong and stiff metal provides probes with exceptional rigidity.
  • Great for acute and chronic recording due to biocompatibility and lower cost.
  • High corrosion resistance offers consistent long-term performance.
  • Does not provide the same degree of electrochemical performance or stability as platinum-iridium alloy, making it a poor alternative for microstimulation.
  • Lower charge transfer capacity of tungsten will result in larger, potentially unsafe interfacial potentials when applying the same stimulation current as to a platinum-iridium electrode.
  • Certain pH or stimulation conditions can lead to tungsten corrosion.