AEMC® Instruments manufactures professional electrical test and measurement instruments for the industrial, commercial and utility marketplace. Founded in 1893, AEMC® is an industry leader in current measurement probes, power quality analyzers, ground resistance testers (including the new revolutionary tower testing system) and insulation resistance testers. Their full product line also includes clamp-on meters, transformer ratiometers, power quality meters, harmonic power meters, data loggers, lightmeters, oscilloscopes, cable testers and numerous other electrical test instruments.