NIST-Traceable Calibration Services for Electrical, Mechanical, Electromechanical, and Electronic Measuring Instruments in Jacksonville, FL

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 Jacksonville 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 Jacksonville customers:

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


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ETI is the Leading Provider of NIST-Traceable Calibration Services for Electrical Test Equipment in and around Jacksonville, Florida

Testing companies rely on ETI to run the yearly calibration programs for their electrical test equipment. Our NIST-traceable calibrations cover meghommeters, power analyzers, power supplies, power factor test sets, multimeters, electrical clamps, recloser test sets, DLRO’s, circuit breaker testers, oscilloscopes, and a vast range of additional instruments. Our company can calibrate your equipment at your location. Companies in Jacksonville, FL choose to have ETI work onsite for one-day turnaround of their test equipment with nearly no downtime. ETI is an ISO 9001:2015-accredited calibration laboratory that is ANSI/NCSL Z540 and 10 CFR Part 50 Appendix B compliant. Municipalities, electrical contractors, electrical testing businesses, universities, Fortune 500 companies, nuclear energy facilities, utilities, and data centers of a variety of shapes and sizes in Jacksonville, Florida rely on ETI as a critical calibration partner.

ETI is a Reputable Provider of NIST-Traceable Calibration Services for Mechanical Instruments in Jacksonville, Florida

ETI’s NIST-traceable calibrations of mechanical measuring and test equipment are used by testing businesses throughout the U.S. The mechanical instruments we support include oil pressure meters, micrometers, infrared inspection equipment, stopwatches, pressure controllers, calipers, temperature meters, torque wrenches, tachometers, IR cameras, air pressure meters, and everything in between. We are skilled in the onsite calibration of mechanical equipment at our customers’ facilities in Jacksonville, FL. Calibration services in Jacksonville is an economical and convenient option for local companies who want to curtail their downtime. ETI is an ISO 9001:2015-accredited calibration laboratory that is ANSI/NCSL Z540 and 10 CFR Part 50 Appendix B compliant. Acceptance testing businesses, Fortune 500 companies, nuclear energy facilities, utilities, data centers, universities, municipalities, and electrical contractors of many shapes and sizes in Jacksonville count on ETI to manage their mechanical test and measuring instrument calibration programs.

We Repair Electrical and Mechanical Test Equipment for Jacksonville Businesses

ETI repairs all major brands and models of electrical testing instruments. Whether your Jacksonville facility’s instruments have been in operation for decades or are brand new, our broad repair capabilities are able to prolong the lifespan of your essential testing equipment. ETI’s 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 mechanical and electrical test equipment. All of our repair services feature NIST-traceable calibration of your instruments, comprehensive documentation, competitive rates, and a fast turnaround. Jacksonville, Florida facilities rely on ETI to lessen their downtime and fix their critical test instruments.

We Manufacture Premium Circuit Breaker Testers and Power Supplies for Facilities All Around the USA

ETI produces and retails trusted electrical test equipment. Our Professionals provide services for circuit breaker testing instruments, which include circuit breaker test sets and power supplies. In addition, we are the United States 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 serve the entire spectrum of electrical testing companies’ requirements. Our primary injection circuit breaker testers range from 250A to 6,000 A continuous output, with instantaneous 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 industry in reliability and capabilities for high current circuit breaker testing. All ETI circuit breaker testers incorporate our leading-edge MAC-21 controller, which is a self-contained microprocessor-based metering and control package for primary injection testing. We also 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 highly valued clients.

ETI’s premium power supplies are lightweight, sturdy, and dependable. 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 genuinely a one-stop answer for electrical testing companies’ instrument needs. We sell and support the whole line of Metrel offerings, such as DLRO’s, megohmmeters, and power analyzers. Our yearly repair services and calibration programs on every product we build and sell make ETI the go-to partner of hundreds of electrical testing companies, Fortune 500 companies, utilities, data centers, universities, and municipalities all over the country.

Calibration and Repair Services in Jacksonville


About Jacksonville, FL

A Duval County city Jacksonville has a population of 911,507. It is the most populous city in the state of Florida and the largest city by area in the contiguous USA. The city was the site of one of the earliest European settlements. The city which was called cow ford initially gets its name after Andrew Jackson, the first governor of Florida who later became the 7th president of the USA. It is a deepwater port used both for civilian and military purposes. Logistics, healthcare, insurance, and banking provide the base for the economy of the city today. Earlier it was a center to grow commodity crops like sugarcane, fruits, and indigo. It was also an exporter of lumber. It played a part in the American revolutionary war. It was a center for establishing the silent film studios. The city got the name winter film capital of the world.

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ETI Precision – Electrical Test Instruments supports customers in Jacksonville, Florida, including the following zip codes: 32034, 32073, 32081, 32099, 32201, 32202, 32203, 32204, 32205, 32206, 32207, 32208, 32209, 32210, 32211, 32212, 32214, 32216, 32217, 32218, 32219, 32220, 32221, 32222, 32223, 32224, 32225, 32226, 32227, 32228, 32229, 32233, 32234, 32235, 32236, 32237, 32238, 32239, 32241, 32244, 32245, 32246, 32247, 32250, 32254, 32255, 32256, 32257, 32258, 32266, 32277. Click here to return to our FL service area page.