In-Lab & Onsite Calibration Services in Rockville, MD

With over 35 years of experience, our technicians have provided precise calibration, instrument repair, and metrology database management to a diverse range of industries across the Rockville area.

Located in Gaithersburg, MD, our calibration laboratory—accredited to ISO/IEC 17025:2017, ANSI Z540-1, and Z540.3 standards—adheres to strict quality protocols. We perform all calibrations and repairs in line with manufacturer specifications to ensure your measurement tools remain reliable, repeatable, and audit-ready. Each calibration is accompanied by a certificate that confirms compliance with the rigorous standards set by the National Institute of Standards and Technology (NIST).

As an ANAB-accredited calibration laboratory located in nearby Gaithersburg, Tra-Cal provides fast, reliable service to Rockville and the surrounding Montgomery County communities of North Bethesda, Gaithersburg, Potomac, Bethesda, Kensington, and Derwood. We support the region’s biotech and life sciences firms, government and federal agencies, healthcare and medical facilities, IT and professional services, and engineering companies with NIST-traceable calibration across a broad range of test and measurement instruments.

We offer three intake paths: scheduled pickup, prepaid ship-in with a typical five-day turnaround, and onsite calibration appointments. Every calibration is NIST-traceable and ships with an audit-ready certificate.

Serving Rockville, MD

Why Quality Teams in Rockville Choose Tra-Cal

  • 5-Day Turnaround

  • Convenient Pickup and Delivery Services

  • Onsite Calibration at Your Facility

  • Comprehensive Asset Database Management 

  • Dedicated Account Managers 

  • Veteran-Owned & Operated

  • Unwavering Quality Guarantee

In-Lab & Onsite Calibration Services for Raleigh, NC

Calibration Services Available to Rockville, MD Operations

How Tra-Cal Serves Rockville, MD

In-Lab Calibration:

Send your equipment to our ANAB-accredited ISO/IEC 17025:2017 laboratory or use scheduled pickup serving Rockville and Montgomery County. Calibration is performed in a climate-controlled environment against documented procedures, with traceability through NIST. Standard turnaround is approximately five business days from receipt, and asset records are retained with automated due-date notifications.

Onsite Calibration:

Our metrologists travel to Rockville-area facilities for fixed assets, large inventories, and instruments that should not be moved. Calibration is performed in a controlled environment at your site on a scheduled appointment, with the same accreditation, NIST traceability, and documentation as in-lab service.

Frequently Asked Questions

Visit Our Gaithersburg Facility or Find Us Near You

Tra-Cal
Lab
8577 Atlas Drive

Gaithersburg, MD 20877

Servicing Local Rockville Zip Codes:

20850, 20851, 20852, 20853, 20854, 20855, 20857 — plus surrounding Montgomery County ZIP codes.

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Contact Tra-Cal for Calibration Support Today

Tell us your instrument list, required turnaround, and accreditation level. Most quote requests are returned within one business day. Tra-Cal supports quality, engineering, and operations teams across Rockville, North Bethesda, Gaithersburg, Potomac, Bethesda, Kensington, and the wider Montgomery County area with ANAB-accredited ISO/IEC 17025:2017, NIST-traceable calibration. Call 301-527-9200 or request a free quote online.