NIST-Traceable Calibration Services for Electrical, Mechanical, Electromechanical, and Electronic Measuring Instruments in Princeton, NJ

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 Princeton 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 Princeton customers:

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


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NIST-Traceable Electrical Test Equipment Calibration Services in Princeton, New Jersey

Testing companies count on ETI to manage the yearly calibration programs of 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 array of other instruments. Our experts can calibrate your equipment onsite at your facility or remotely in ETI’s calibration workshop. Companies in Princeton choose to have ETI come onsite for same-day turn-around of their equipment with nearly no down time. When you mail your instruments in for service at our calibration laboratory, we endeavor to return your equipment in a matter of 5 – 8 business days. In addition, we offer an expedite service for Princeton customers 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, electrical contractors, Fortune 500 companies, utilities, data centers, nuclear energy facilities, electrical testing businesses, and municipalities of all sizes and shapes in Princeton, New Jersey utilize ETI as a crucial calibration partner.

NIST-Traceable Mechanical Instrument Calibration Services Offered in Princeton, New Jersey

ETI’s NIST-traceable calibrations of mechanical measuring and test equipment are counted on by testing businesses nationwide. The instruments we support include calipers, micrometers, tachometers, torque wrenches, infrared inspection equipment, IR cameras, pressure controllers, air pressure meters, oil pressure meters, temperature meters, stop watches, and virtually anything in between. We specialize in the onsite calibration of mechanical equipment at our customers’ locations in Princeton, New Jersey. Our company also offers a mail-in choice to service your critical mechanical test equipment at our in-house calibration lab. Onsite calibration services in Princeton is an economical and hassle-free option for local companies who want to curtail their downtime. Our mail-in alternative offers quick turn-around times of 5 to 8 business days, assuring our customers in Princeton 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. Nuclear energy facilities, universities, Fortune 500 companies, acceptance testing businesses, electrical contractors, utilities, data centers, and municipalities of many sizes in Princeton count on ETI to oversee their mechanical test and measuring instrument calibration programs.

We Repair Electrical and Mechanical Test Equipment for Princeton Businesses

ETI repairs all major brand names and models of electrical testing instruments. Regardless of whether your Princeton facility’s instruments have been in service for many years or are brand new, our vast repair capabilities can lengthen the life of your essential testing equipment. ETI’s maintenance and repair customer 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 repairs feature NIST-traceable calibration of your equipment, comprehensive documentation, competitive pricing, and a fast turnaround. Princeton, NJ facilities turn to ETI to minimize their down time and fix their critical test instruments.

Manufacturing Premium Circuit Breaker Testers and Power Supplies for Clients Around the Country

ETI produces and retails 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 United States reseller and service center for the complete line of Metrel electrical test instruments and products.

Our product line of high-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 lightweight, portable, durable, and modular whilst 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 feature 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:

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

ETI’s top notch power supplies are light-weight, durable, and dependable. Our product lines 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 U.S. authorized service center and reseller for Metrel products, ETI is truly a one-stop shop for electrical testing companies’ instrument requirements. We sell and support the whole line of Metrel products, such as meghommeters, DLRO’s, and power analyzers. Our annual calibration programs and repair services on every product we manufacture and sell make ETI the go to partner of hundreds of electrical testing companies, utilities, data centers, universities, Fortune 500 companies, and municipalities countrywide.

About Princeton, NJ

Princeton is a municipality with a borough form of government in Mercer County, New Jersey, United States, that was established in its current form on January 1, 2013, through the consolidation of the Borough of Princeton and Princeton Township. Princeton is 10 miles NE of Trenton, New Jersey and 37 miles SW of Newark, New Jersey. Princeton had a population of 30,232 as of July 1, 2018. The town is located in the Trenton metropolitan area. The town is most famous for Princeton University, founded in 1746 as The College of New Jersey. Princeton University brings some of the brightest minds in the world to the area, which is why the town itself is one of the best to call home in the country.

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Electrical Test Instruments supports customers in Princeton, New Jersey, including the following zip codes: 08540, 08541, 08542, 08543, 08544. Click here to return to our NJ service area page.