NIST-Traceable Calibration Services for Electrical, Mechanical, Electromechanical, and Electronic Measuring Instruments in Hagerstown, MD

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 Hagerstown customers’ facilities as well as in-house service at our calibration laboratory. Our onsite calibration customers enjoy same-day turnaround of their test equipment at their own facilities with minimal downtime. Our in-house calibration service 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 Hagerstown customers:

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


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NIST-Traceable Electrical Test Equipment Calibration Services in the Hagerstown, MD Area

Testing companies trust in ETI to run the yearly calibration programs for their electrical test equipment. Our NIST-traceable calibrations cover circuit breaker testers, recloser test sets, electrical clamps, oscilloscopes, power factor test sets, multimeters, power analyzers, DLRO’s, meghommeters, power supplies, and a wide variety of additional instruments. We can calibrate your equipment onsite at your facility or offsite in ETI’s calibration lab. Customers in Hagerstown, MD decide to have ETI work onsite for one-day turn-around of their equipment with almost no down time. When you send your equipment in for service at our lab, we strive to return your equipment in a matter of 5 to 8 business days. We also offer an expedite service for Hagerstown customers who need quick turnaround of their equipment. 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 Hagerstown, Maryland trust in ETI as a crucial calibration partner.

We Support Hagerstown Facilities with NIST-Traceable Mechanical Test Equipment Calibration Services

ETI’s NIST-traceable calibrations of mechanical measuring and test equipment are used by testing businesses nationally. The mechanical instruments we support include oil pressure meters, micrometers, infrared inspection equipment, stop watches, pressure controllers, calipers, temperature meters, torque wrenches, tachometers, IR cameras, air pressure meters, and everything in between. Our experts are skilled in the onsite calibration of mechanical equipment at our clients’ locations in Hagerstown, Maryland. ETI also offers a mail-in choice to service your critical mechanical test equipment at our in-house calibration laboratory. Calibration services in Hagerstown is a cost-efficient and user-friendly option for local companies who want to minimize their down time. Our mail-in option also offers quick turnaround times of 5 to 8 business days, making sure that our customers in Hagerstown have 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. Nuclear energy facilities, universities, Fortune 500 companies, acceptance testing businesses, electrical contractors, utilities, data centers, and municipalities of many sizes in Hagerstown, Maryland rely on ETI to oversee their mechanical test and measuring instrument calibration programs.

How We Extend the Life of Critical Test Equipment in Hagerstown, Maryland through our Repair Services

ETI repairs all of the major brand names and models of electrical testing instruments. Whether your Hagerstown facility’s instruments have been in operation for many years or are recent to your company, our vast repair capabilities can prolong the lifespan of your most important testing equipment. ETI’s repair services include analog instruments, digital instruments, lab instruments, panel meters, switchboard meters, multimeters, clamp-on meters, power quality meters, power analyzers, oscilloscopes, frequency counters, and a wide range of additional electrical and mechanical test equipment. All of our repair services feature NIST-traceable calibration of your equipment, comprehensive documentation, competitive pricing, and a swift turnaround. Hagerstown, MD facilities turn to ETI to decrease their down time and restore their critical test instruments.

ETI’s Circuit Breaker Testing Equipment is Trusted by Testing Companies as well as Industrial Facilities Throughout the United States

ETI makes and sells trusted electrical test equipment. Our Professionals specialize in circuit breaker testing instruments, including circuit breaker test sets and power supplies. In addition, we are the U.S. service center and reseller for the entire line of Metrel electrical test instruments and products.

Our line of top quality low voltage high current circuit breaker test sets cater to the entire 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, modular, durable, and lightweight while at the same time outperforming competing products’ capabilities at their price points. Our stationary PI-2500, PI-4000B, PI-5000, and PI-6000 circuit breaker test sets also best the market in reliability and capabilities for high current circuit breaker testing. All Electrical Test Instrument circuit breaker testers incorporate our cutting edge 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:

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

ETI’s premium power supplies are lightweight, sturdy, and reliable. Our instruments 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 authorized service center and reseller for Metrel , ETI is truly a one-stop shop for electrical testing companies’ instrument needs. We sell and support the full line of Metrel products, which include meghommeters, DLRO’s, and power analyzers. Our yearly repair services and calibration programs on every product we make and sell make ETI the trusted partner of hundreds of electrical testing companies, utilities, data centers, universities, Fortune 500 companies, and municipalities across the country.

About Hagerstown, MD

Hagerstown is a city in Washington County, Maryland, United States. Hagerstown was founded in 1762 by Jonathan Hager, a gunsmith, fur trader, farmer and politician. It lies in the Cumberland Valley between the Blue Ridge and Allegheny mountains, 71 miles northwest of Baltimore. The city of Hagerstown is known as the “Hub City” due to the substantial number of railroads as well as roads that serve the city. Hagerstown had a population of 41,515 as of July 1, 2018. Hagerstown ranks in the upper quartile for Population Density when compared to the other cities. The unemployment rate in Hagerstown is 6.4%. And the cost of living is 10.70% lower than the U.S. average.

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Electrical Test Instruments supports customers in Hagerstown, Maryland, including the following zip codes: 21740, 21741, 21742, 21749. Click here to return to our MD service area page.