NIST-Traceable Calibration Services for Electrical, Mechanical, Electromechanical, and Electronic Measuring Instruments in Fayatteville, NC

Electrical Test Instruments, LLC DBA ETI Precision (ETI) is a leader in the calibration and repair of test and measurement equipment, specializing in high-current and high-voltage instruments.

We provide onsite services in the Fayatteville region, minimizing the downtime of your critical instruments by offering calibration services at your facility. Our NIST-traceable calibration services encompass a wide variety of electrical, mechanical, radio frequency (RF), pressure, physical-dimensional, and environmental instrumentation. For more information

We are an ISO 9001:2015-certified, ISO/IEC 17025:2017-accredited, and ANSI/NCSL Z540-1-1994-accredited calibration laboratory. We offer MIL-STD-45562A-compliant calibrations and calibrations in accordance with 10 CFR Part 21 and 10 CR Part 50 Appendix B upon request.

Contact us today
Phone: 410-857-1880

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

  • Calibration of Test & Measurement Equipment
  • IR Thermometer Calibration
  • Torque Wrench Calibration
  • Sound Level Meter Calibration
  • Temperature Probe Calibration
  • Frequency Counter Calibration
  • Process Calibrator Calibration
  • DLRO Calibration
  • Oscilloscope Calibration
  • Stopwatches & Timers
  • Thermocouple Calibrator Calibration
  • Digital Multimeter Calibration
  • Ammeter & Shunt Calibration
  • Calibration of High Current – High Voltage Equipment:
  • Single & Three Phase TTR Calibration
  • Earth Ground Tester Calibration
  • Primary Injection Test Set Calibration
  • Hipot Tester Calibration
  • Power Supply Calibration
  • High Voltage Detector Calibration
  • Current & Potential Transformers
  • Relay Test Set Calibration
  • Power Quality Analyzer Calibration
  • AC and DC voltages above 100kV
  • Megohmmeter Calibration
  • Secondary Test Set Calibration


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We Support Fayatteville Facilities with our NIST-Traceable Electrical Test Equipment Calibration Services

Testing companies rely upon ETI to take care of the annual calibration programs of their electrical test equipment. Our NIST-traceable calibrations address megohmmeters, power analyzers, power supplies, power factor test sets, multimeters, electrical clamps, recloser test sets, DLRO’s, circuit breaker testers, oscilloscopes, and a wide array of other instruments. We can calibrate your equipment onsite at your facility. Clients in Fayatteville choose to have ETI come onsite for same-day turn-around of their test equipment with nearly no time out of commission. We also offer an expedited service for Fayatteville clients that require urgent recovery of their instruments. ETI is an ISO 9001:2015-accredited calibration laboratory that is ANSI/NCSL Z540 and 10 CFR Part 50 Appendix B compliant. Universities, nuclear energy facilities, Fortune 500 companies, data centers, electrical testing businesses, municipalities, electrical contractors, and utilities of many shapes and sizes in Fayatteville, NC trust ETI as a crucial calibration partner.

Supporting Fayatteville Companies with NIST-Traceable Mechanical Test Equipment Calibration Services

ETI’s NIST-traceable calibrations of mechanical measuring and test equipment are counted on by testing businesses nationally. The instruments we service include calipers, micrometers, tachometers, torque wrenches, infrared inspection equipment, IR cameras, pressure controllers, air pressure meters, oil pressure meters, temperature meters, stopwatches, and everything in between. We specialize in the onsite calibration of mechanical equipment at our clients’ facilities in Fayatteville, North Carolina. Our company also offers a mail-in option to service your critical mechanical test equipment in our calibration lab. Onsite calibration services in Fayatteville is an economical and convenient option for local customers who want to curtail their downtime. Our mail-in option offers quick turnaround times of five to eight business days, ensuring our customers in Fayatteville get their critical equipment serviced quickly. ETI is an ISO 9001:2015-accredited calibration laboratory that is ANSI/NCSL Z540 and 10 CFR Part 50 Appendix B compliant. Data centers, nuclear energy facilities, universities, municipalities, electrical contractors, acceptance testing businesses, Fortune 500 companies, and utilities of all sizes in Fayatteville, NC rely on ETI to handle their mechanical test and measuring instrument calibration programs.

Repairing Electrical and Mechanical Test Equipment for Fayatteville Facilities

ETI services all of the major brand names and models of electrical testing instruments. Whether your Fayatteville facility’s instruments have been in service for many years or are brand new, our broad repair capabilities can lengthen the lifespan of your essential testing equipment. ETI’s services include clamp-on meters, analog instruments, panel meters, digital instruments, multimeters, power analyzers, oscilloscopes, lab instruments, frequency counters, switchboard meters, power quality meters, and a variety of additional mechanical and electrical test equipment. Every one of our repairs include NIST-traceable calibration of your equipment, in-depth documentation, competitive rates, and a swift turnaround. Fayatteville, North Carolina facilities turn to ETI to decrease their down time and restore their critical test instruments.

We Produce Industry-Leading Circuit Breaker Testing Equipment for the Electrical Testing Industry Across The Country

ETI manufactures and sells trusted electrical test equipment. Our Professionals provide services for circuit breaker testing instruments, including circuit breaker test sets and power supplies. We are also the U.S. service center and reseller for the entire line of Metrel electrical test instruments and products.

Our line of high-quality low voltage high current circuit breaker test sets serve the whole spectrum of electrical testing companies’ needs. Our primary injection circuit breaker testers range from 250A to 6,000 A continuous output, with instant testing capabilities up to 60,000 A. Our PI-250B, PI-800, and PI-1600 test sets are portable, lightweight, durable, and modular while outperforming competing products’ capabilities at their price points. Our stationary PI-2500, PI-4000B, PI-5000, and PI-6000 circuit breaker test sets also lead the industry in capabilities and reliability for high current circuit breaker testing. All Electrical Test Instrument circuit breaker testers include our state-of-the-art MAC-21 controller, which is a self-contained microprocessor-based metering and control package for primary injection testing. Additionally, we retrofit other manufacturers’ circuit breaker test sets with our MAC-21 controller:

  • extending their useful lives,
  • expanding their capabilities,
  • and revamping the circuit breaker testing capabilities of our highly valued clients.

ETI’s high-quality power supplies are lightweight, sturdy, and reliable. Our products are capable of outputting 7.2 A to 20A continuous at 140 VAC. ETI’s power supplies are optimal for circuit breaker charging motor testing.

As the United States reseller and authorized service center for Metrel products, ETI is truly a one-stop shop for electrical testing companies’ instrument requirements. We sell and support the entire line of Metrel products, such as meghommeters, DLRO’s, and power analyzers. Our annual calibration programs and repair services on every product we make and sell make ETI the trusted partner of hundreds of electrical testing companies, data centers, universities, Fortune 500 companies, utilities, and municipalities countrywide.

Calibration and Repair Services in Fayatteville


About Fayatteville, NC

A Cumberland county city Fayetteville has a population of 211,657. A US army installation fort Bragg is located here. It was the recipient of the all-America city award. The city gets its name in honor of Marquis de Lafayette a French army officer who helped American forces during the war. The city played an active role in the American revolutionary war. Liberty point revolves was drawn up here as a precedence to the declaration of independence. It was the site of the state convention where the us convention was ratified. The military unit the Fayetteville independent light infantry formed during the war is still active. And it is the second largest in the country today. During the Vietnam war, it was the center for anti-war protests. The city is considered one of the best places to retire in the country. It won the Guinness world record for the biggest stocking.

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ETI Precision – Electrical Test Instruments supports customers in Fayatteville, North Carolina, including the following zip codes: 28301, 28303, 28304, 28305, 28306, 28309, 28311, 28312, 28314, 28331. Click here to return to our NC service area page.