Electrical

We are an industry leader in electrical equipment calibration; for over 25 years, our specialists have supported our partners with our high-current and high-voltage expertise. Our service offerings ensure technical functionality, accuracy, and increased equipment availability.

Equipment Serviced:

Digital Multimeters (DMM’s)
Multimeters
Megohmmeters
Digital Low Resistance Ohmmeters (DLRO’s)
Ammeters
Shunts
Process Calibrators
Stopwatches & Timers
Tachometers
Decade LCR Boxes

Unique Capabilities:

Hipots
Power Supplies
Current & Potential Transformers
Primary Injection Test Sets
Secondary Test Sets
Relay Test Sets
Single & Three Phase TTR’s
Power Quality Analyzers
Ground Testers
High Voltage Detectors (Contact & Non-Contact)

We offer simplified onsite annual calibrations, quick turnaround times in our laboratory, and competitive prices. Whether it’s troubleshooting with your team over the phone, performing our nationwide calibration services, or repairing and retrofitting products, we strive to provide the highest level of service and support. Contact us today to learn how partnering with ETI can simplify your annual equipment calibration program.


Electrical Test Instruments, LLC
D/B/A ETI Precision
8430 Spires Way, Suite A
Frederick, MD 21701



Phone: 410-857-1880
Fax: 410-857-1387
Email us

© 2022 ETI Precision | Opus Design – Boston Web Design