4 years ago
- Jon C

Maryland Acceptance Testing Calibration

NIST-Traceable Electrical Test Equipment Calibration Services in Frederick, Maryland

Testing companies depend on ETI to manage the annual calibration programs for their electrical test equipment. Our NIST-traceable calibrations address 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. Our people can calibrate your equipment onsite at your facility or off-site in ETI's calibration lab. Companies in Frederick, MD choose to have ETI come onsite for same-day turn-around of their test equipment with very little down time. When you send your instruments in for service at our calibration lab, we make every effort to deliver your equipment within 5 - 8 business days. We offer an expedite service for Frederick customers that need immediate 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, electrical contractors, Fortune 500 companies, utilities, data centers, nuclear energy facilities, electrical testing businesses, and municipalities of all shapes and sizes in Frederick, Maryland count on ETI as a critical calibration partner.

Supporting Frederick Organizations with NIST-Traceable Mechanical Test Equipment Calibration Services

ETI offers NIST-traceable calibration services for a range of mechanical measuring and test equipment, including IR cameras, infrared inspection equipment, stop watches, pressure controllers, torque wrenches, tachometers, oil pressure meters, calipers, air pressure meters, temperature meters, micrometers, plus everything in between. We provide calibration services at our customers' business locations in Frederick, MD in addition to in-house service at our calibration lab. Our onsite customers in Frederick appreciate same-day turnaround of their test equipment at their own facilities with minimal downtime. Our internal calibration offering delivers rapid industry-leading completion times of 5 to 8 business days, with an expedite service offered to return your equipment to Frederick as quickly as we can. 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, electrical contractors, acceptance testing businesses, universities, data centers, Fortune 500 companies, municipalities, and utilities of all types in Frederick, Maryland rely on ETI to take care of their mechanical test and measuring instrument calibration needs.

Repairing Electrical and Mechanical Test Equipment for Frederick Businesses

ETI fixes all of the major brands and models of electrical testing instruments. Whether your Frederick facility's instruments have been in service for decades or are recent to your company, our broad repair capabilities are able to prolong the lifespan of your critical testing equipment. ETI's repair support services include clamp-on meters, power quality meters, oscilloscopes, lab instruments, power analyzers, digital instruments, frequency counters, switchboard meters, analog instruments, multimeters, panel meters, and a variety of other mechanical and electrical test equipment. All of our repairs include NIST-traceable calibration of your instruments, thorough documentation, competitive pricing, and a speedy turnaround. Frederick facilities turn to ETI to decrease their down time and repair their critical test instruments.

Manufacturing Premium Circuit Breaker Testers and Power Supplies for Customers Across the Country

ETI makes and retails industry-leading electrical test equipment. Our Professionals provide services for circuit breaker testing instruments, which include circuit breaker test sets and power supplies. We are also the U.S. reseller and service center for the complete line of Metrel electrical test instruments and products.

Our line of high-quality low voltage high current circuit breaker test sets provide for 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 lightweight, portable, 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 reliability and capabilities for high current circuit breaker testing. All Electrical Test Instrument circuit breaker testers feature our state-of-the-art MAC-21 controller, 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:

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

ETI's high quality power supplies are light-weight, sturdy, and dependable. Our instruments are capable of outputting 7.2 A to 20A continuous at 140 VAC. ETI's power supplies are perfect for circuit breaker charging motor testing.

As the United States reseller and authorized service center for Metrel , ETI is undeniably a one-stop shop for electrical testing companies' instrument requirements. We support and sell the complete line of Metrel offerings, such as meghommeters, DLRO's, and power analyzers. Our yearly repair services and calibration programs on every product we manufacture and sell make ETI the go to partner of hundreds of electrical testing companies, Fortune 500 companies, utilities, data centers, universities, and municipalities across the country.

Check our company reviews:
Pitchbook, Manta, Zoominfo, Thomasnet, Mapquest

Contact Us


Call now
  • (410) 857-1880


Get directions
8430 Spires Way
Suite A
Frederick, MD 21701
United States

Business Hours

Mon:7:30 AM – 4:00 PM
Tue:7:30 AM – 4:00 PM
Wed:7:30 AM – 4:00 PM
Thu:7:30 AM – 4:00 PM
Fri:7:30 AM – 4:00 PM
Get quote
Message sent. We'll get back to you soon.