Simpson Electric

Simpson Electric

Simpson Electric is an American manufacturer with a long history in electrical measurement instrumentation, best known for its analog panel meters and portable handheld instruments. Founded in 1927 and headquartered in Lac du Flambeau, Wisconsin, Simpson has supplied the industrial, commercial, and laboratory measurement market for nearly a century. The company's instruments are recognized for rugged construction and reliable long-term performance in demanding environments, from factory floors to field service applications.

Simpson's product range spans analog and digital panel meters, handheld multimeters, volt-ohm-milliammeters (VOM), insulation resistance testers (megohmmeters), sound level meters and dosimeters, and milliohm and microohm meters for low-resistance measurement. Their instruments are widely used in electrical maintenance, quality control, and plant operations where durability and straightforward operation are priorities.

Key Product Lines

• Analog Panel Meters — rugged panel-mount ammeters, voltmeters, and multifunction indicators for industrial switchboards and control panels
• Handheld Multimeters and VOMs — portable instruments for general electrical measurement, troubleshooting, and maintenance
• Insulation Resistance Megohmmeters — for testing insulation integrity of motors, cables, transformers, and wiring systems
• Sound Level Meters and Dosimeters — for occupational noise measurement and workplace safety compliance
• Milliohm and Microohm Meters — for low-resistance measurement of contacts, bonds, and conductors

Industries Served

Simpson Electric instruments are used by electricians, maintenance technicians, and quality engineers in industrial manufacturing, electrical utilities, building facilities management, motor repair shops, and field service operations requiring dependable analog and digital measurement tools.