NIST-Traceable Calibration Services for Electrical, Mechanical, Electromechanical, and Electronic Measuring Instruments in Dallas, TX

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 Dallas 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 visit

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 services we offer our Dallas customers:

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


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Supporting Dallas Facilities with our NIST-Traceable Electrical Test Equipment Calibration Services

ETI offers NIST-traceable calibration services for various types of electrical test equipment, including power factor test sets, circuit breaker testers, meghommeters, power analyzers, power supplies, oscilloscopes, recloser test sets, multimeters, DLRO’s, electrical clamps, and everything in between. We present onsite calibration solutions in our customers’ facilities in Dallas, Texas. Our onsite calibration customers in Dallas appreciate same-day turnaround of their test equipment in their own facilities with hardly any downtime. ETI is an ISO 9001:2015-accredited calibration lab that is ANSI/NCSL Z540 and 10 CFR Part 50 Appendix B compliant. Data centers, universities, nuclear energy facilities, municipalities, electrical testing businesses, utilities, electrical contractors, and Fortune 500 companies of various shapes and sizes in the Dallas, TX Area turn to ETI to handle their electrical test equipment calibration programs.

ETI is a Top Provider of NIST-Traceable Calibration Services for Mechanical Instruments in Dallas, TX

ETI specializes in NIST-traceable calibration services for a wide range of test equipment and mechanical measuring, including micrometers, oil pressure meters, infrared inspection equipment, IR cameras, pressure controllers, air pressure meters, calipers, tachometers, stopwatches, torque wrenches, temperature meters, and everything in between. We provide services at our clients’ facilities in Dallas, Texas. Our onsite calibration customers in Dallas take advantage of same-day turnaround of their equipment at their private facilities with hardly any downtime.

Test Equipment Repair Services for Dallas Organizations

ETI repairs all of the major brand names and models of electrical testing instruments. Regardless of whether your Dallas facility’s instruments have been in service for decades or are brand new, our vast repair capabilities are able to lengthen the life of your critical testing equipment. ETI’s maintenance and repair support services include lab instruments, panel meters, multimeters, power quality meters, switchboard meters, analog instruments, clamp-on meters, oscilloscopes, power analyzers, frequency counters, digital instruments, and a variety of other electrical and mechanical test equipment. Every one of our repair services features NIST-traceable calibration of your instruments, comprehensive documentation, competitive pricing, and a fast turnaround. Dallas, TX facilities count on ETI to lessen their down time and repair their critical test instruments.

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

ETI makes and sells trusted electrical test equipment. Our Professionals provide services for circuit breaker testing instruments, such as 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 full spectrum of electrical testing companies’ necessities. 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 modular, portable, 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 feature 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:

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

ETI’s premium power supplies are light in weight, sturdy, 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 undeniably a one-stop answer for electrical testing companies’ instrument requirements. We sell and support the full line of Metrel instruments, such as meghommeters, DLRO’s, and power analyzers. Our annual repair services and calibration programs on every product we make and sell make ETI the trusted partner of hundreds of electrical testing companies, universities, data centers, Fortune 500 companies, utilities, and municipalities all over the country.

Calibration and Repair Services in Dallas, TX

About Dallas, TX

The largest city in Dallas County Texas, Dallas has a population of 1,343,573.  Not only is Dallas the largest city in the Southern US but it is also the largest inland metropolitan area without access to navigable sea.  The Dallas economy centers around defense, financial services, information technology, telecommunications, and transportation and is home to 10 Fortune 500 companies within the city limits such as, Southwest Airlines, AT&T, and Texas Instruments.  Additionally, the Dallas-Fort Worth Metroplex houses more than Fortune 500 companies, including ExxonMobil (Irving), American Airlines, and Kimberly-Clark.  The residents of the city are called Dallasites or, more broadly, Texans.  In the late 1800s, Dallas was called “Queen City of the Southwest” but in the first half of the 20th century Dallas gained the “Big D” nickname that is more prevalent today.  The Dallas skyline boasts 20 buildings that are considered skyscrapers (meaning they are higher than 150 meters in height).

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ETI Precision – Electrical Test Instruments supports customers in Dallas, Texas, including the following zip codes: 75201, 75202, 75203, 75204, 75205, 75206, 75207, 75208, 75209, 75210, 75211, 75212, 75214, 75215, 75216, 75217, 75218, 75219, 75220, 75221, 75222, 75223, 75224, 75225, 75226, 75227, 75228, 75229, 75230, 75231, 75232, 75233, 75234, 75235, 75236, 75237, 75238, 75239, 75240, 75241, 75242, 75243, 75244, 75245, 75246, 75247, 75248, 75249, 75250, 75251, 75252, 75253, 75258, 75260, 75261, 75262, 75263, 75264, 75265, 75266, 75267, 75270, 75275, 75277, 75283, 75284, 75285, 75286, 75287, 75294, 75295, 75301, 75303, 75310, 75312, 75313, 75315, 75320, 75323, 75326, 75336, 75339, 75342, 75346, 75350, 75353, 75354, 75355, 75356, 75357, 75359, 75360, 75363, 75364, 75367, 75368, 75370, 75371, 75372, 75373, 75374, 75376, 75378, 75379, 75380, 75381, 75382, 75386, 75387, 75388, 75389, 75390, 75391, 75392, 75393, 75394, 75395, 75396, 75397, 75398. Click here to return to our USA service page.