NIST-Traceable Calibration Services for Electrical, Mechanical, Electromechanical, and Electronic Measuring Instruments in Arlington, VA

Electrical Test Instruments, LLC (ETI) is a leader in the calibration, repair, and manufacturing of electrical test equipment. We specialize in NIST-traceable calibration services for a variety of electrical test equipment and mechanical measuring instruments, including meghommeters, multimeters, clamps, torque wrenches, DLRO’s, circuit breaker testers, power factor test sets, recloser test sets, power supplies, power analyzers, and everything in between.

ETI provides both onsite calibration services at our Arlington customers’ facilities as well as in-house service at our calibration laboratory, located at our headquarters in Arlington. Our onsite calibration customers enjoy same-day turnaround of their test equipment at their own facilities with minimal downtime. Our in-house calibration service located in Virginia provides fast industry-leading turnaround times of five to eight business days, with an expedite service available to turn your equipment around within three days. ETI is ISO 9001:2015 accredited, ANSI/NCSL Z540 compliant, and 10 CFR Part 50 Appendix B compliant, making us the clear choice for electrical testing businesses, municipalities, data centers, nuclear energy facilities, utilities, universities, Fortune 500 companies, and electrical contractors of all shapes and sizes.

We also manufacture circuit breaker testing equipment. Our primary injection circuit breaker test sets range from 250A to 6,000A continuous output, with capabilities for instantaneous testing up to 60,000A. ETI’s power supplies are ideal for circuit breaker charging motor testing. We are also the United States reseller and service center for Metrel products, including DLRO’s and meghommeters, making ETI a one-stop shop for your electrical testing needs.

Finally, our capabilities include high-quality repair services that can extend the life of your critical test equipment. ETI can help you solve your most complex and urgent test equipment challenges.

Just some of the products and services we offer our Arlington customers:

  • Circuit Breaker Tester Calibration
  • Electric Meter Calibration
  • Digital Multimeter Calibration
  • Torque Calibration
  • Portable Current Power Supply
  • Test Equipment Repair
  • Electronic Test Equipment Calibration Services
  • High Current Digital Ammetter Retrofit
  • Electric Equipment Repair
  • AC-DC Variable Power Supply
  • Meter Calibration Services
  • Test Equipment Calibration
  • Oscilloscope Calibration
  • Circuit Breaker Test Set Calibration
  • Electrical Calibration Services
  • NETA Calibration
  • Adjustable Test Stab System
  • Electrical Meter Calibration
  • Multimeter Calibration
  • Portable Circuit Breaker Tester
  • Pressure Calibration
  • Test Equipment Calibration Services
  • Acceptance Testing Calibration
  • Portable Circuit Breaker Test Set
  • PEARL Calibration
  • Mobile Circuit Breaker Test Set
  • Mechanical Instrument Calibration
  • Clamp Calibration

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