The RM3000+ Test Unit is a specialty electronics instruments designed specifically for the four point probe measurement. It features high accuracy, an excellent range, and many features which simplify the four point probing measurement.
Four-Point-Probes offers 4 point probe equipment for measuring the sheet resistance and bulk (volume) resistivity of materials used in the semiconductor industry, universities, and in materials science including thin films, wafers, ingots, and other materials and conductive coatings.