Luggin Capillary

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The Luggin Capillary positions the reference electrode tip close to the working electrode surface. Drawing the sensing point near the interface reduces the uncompensated solution resistance included in a potential measurement, which improves the accuracy of the recorded working-electrode potential. The probe is offered in a regular and an extended size so it can be matched to the cell and electrode arrangement.

Key Features

Fine capillary tip for close approach to the working electrode
Reduces uncompensated solution resistance in the measured potential
Available in regular and extended sizes

Specifications

Regular size	Diameter and Length: Ф10*100mm, Height: 20mm
Extended size	Diameter and Length: Ф14*110mm, Height: 20mm

Applications: Luggin capillaries are standard in three-electrode voltammetry and controlled-potential work where minimizing iR drop matters, and the extended form helps reach electrodes seated deeper within a cell.