Take a look at Jameco's wide selection of Testers-- from LED testers, multimeters, 8 channel logic analyzers, and more. You can combine several measurement functions in one unit with Jameco's wide selection of multimeters. These devices allow you to measure voltage, resistance and current in electronics and electrical equipment. Or our popular manual ranging digital mini multimeter features large, easy-to-read digital display and comes with a convenient mini size with protective rubber holster and tilt stand.