Electrical Test Instruments is a leader in the manufacturing, calibration and repair of electrical test equipment and mechanical measuring instruments. ETI offers NIST-traceable calibration and certification onsite at your facility or at our state-of-the-art calibration laboratory. ETI is an ISO 9001:2015 accredited company and complies with quality standard ANSI/NCSL Z-540.1 and MIL-STD-45562A.
ETI specializes in the calibration of electrical switchgear testing instruments for maintenance and acceptance testing as well as on-site calibration and certification of virtually all types of electrical test and measurement equipment. We have particular expertise in Circuit Breaker Test Sets, AC/DC High Voltage Testers, Protective Relay Test Sets, Insulation Testers, Low Resistance Ohmmeters, Current Clamp-On’s, and Multimeters, among many other varieties of test and measurement equipment.