NIST-Traceable Calibration Services for Electrical, Mechanical, Electromechanical, and Electronic Measuring Instruments in Montgomery, AL

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 Montgomery 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 Montgomery customers:

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


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NIST-Traceable Electrical Test Equipment Calibration Services in Montgomery, Alabama

Testing companies rely on ETI to manage 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, megohmmeters, power supplies, and a wide variety of other instruments. We can calibrate your equipment onsite at your location. Customers in Montgomery, AL often choose to have ETI work onsite for same-day turn-around of their test equipment with minimal down time. 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 many sizes and shapes in Montgomery, AL trust ETI as a critical calibration partner.

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

ETI specializes in NIST-traceable calibration services for a wide range of test equipment and mechanical measuring, including IR cameras, air pressure meters, calipers, micrometers, oil pressure meters, stop watches, torque wrenches, infrared inspection equipment, tachometers, temperature meters, pressure controllers, plus everything in between. We provide onsite services at our clients’ business locations in Montgomery, Alabama as well as support service at our laboratory. Our onsite customers in Montgomery get same-day turnaround of their equipment over at their own facilities with hardly any downtime. Our internal calibration service provides quick best turnaround times of 5 to 8 business days, with an expedite service available to restore your equipment to Montgomery 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 sizes and shapes in Montgomery turn to ETI to manage their measuring instrument and mechanical test calibration programs.

Test Equipment Repair Services for Montgomery Companies

ETI repairs all of the major brand names and models of electrical testing instruments. Regardless of whether your Montgomery facility’s instruments have been in operation for decades or are brand new, our vast repair capabilities are able to prolong the life of your most important testing equipment. ETI’s maintenance and repair support 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 variety of additional mechanical and electrical test equipment. Every one of our repair services include NIST-traceable calibration of your equipment, detailed documentation, competitive pricing, and a swift turnaround. Montgomery facilities rely on ETI to decrease their downtime and restore their critical test instruments.

Manufacturing Top Quality Circuit Breaker Testers and Power Supplies for Companies Around the Country

ETI manufactures and retails industry-leading electrical test equipment. We 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 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’ needs. 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 lead the market in reliability and capabilities for high current circuit breaker testing. All ETI 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 customers.

ETI’s top notch power supplies are light-weight, sturdy, and dependable. Our products are capable of outputting 7.2 A to 20A continuous at 140 VAC. ETI’s power supplies are excellent for circuit breaker charging motor testing.

As the U.S. authorized service center and reseller for Metrel , ETI is undeniably a one-stop answer for electrical testing companies’ instrument needs. We sell and support the complete line of Metrel products, which include meghommeters, DLRO’s, and power analyzers. Our annual calibration programs and repair services on all products we build and sell make ETI the trusted 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 Montgomery


About Montgomery, AL

A Montgomery county city Montgomery has a population of 205,764. This largest city of the state of Alabama was first chosen as the capital of the Confederate States of America. It was the center of protests and events in the country’s civil rights movement. The city has a large military presence because of the Maxwell Air Force base. It is here that the Alabama Shakespeare Festival is held. Many government agencies of Alabama are located here. It has the honor of two ships of the country being named after it, USS Montgomery. It is known for the urbanism projects and revitalization of the downtown nationally. The smart code zoning was first introduced here in the country. It took an active part in the American revolutionary war and the civil war. It is a center for commodity crops like peanuts, cotton, and soybean. It is a metal fabrication and lumber production center.

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ETI Precision – Electrical Test Instruments supports customers in Montgomery, Alabama, including the following zip codes: 36043, 36064, 36101, 36102, 36103, 36104, 36105, 36106, 36107, 36108, 36109, 36110, 36111, 36112, 36113, 36114, 36115, 36116, 36117, 36118, 36119, 36120, 36121, 36123, 36124, 36125, 36130, 36131, 36132, 36133, 36134, 36135, 36140, 36141, 36142. Click here to return to our AL service area page.