In-Lab & Onsite Calibration Services in Fairfax, VA
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 Fairfax 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 Fairfax and the surrounding Fairfax County communities of Oakton, Mantua, Merrifield, Fairfax Station, Fair Lakes, and Burke. We support the region’s defense and national-security engineering teams, university research laboratories, and engineering companies with NIST-traceable calibration across a broad range of test and measurement instruments.
We offer two intake paths: 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 Fairfax, VA
Biomedical Calibration
Tra-Cal provides biomedical calibration for Fairfax university research laboratories, covering electronic test equipment, temperature and humidity instruments, lab ovens, freezers, centrifuges, balances, and more. Every ISO/IEC 17025:2017-accredited calibration includes a NIST-traceable certificate with as-found and as-left data to support FDA 21 CFR Part 820 and ISO 13485 audits.
Aerospace & Defense Calibration
Tra-Cal supports aerospace and defense programs across the region, servicing Fairfax-area defense and national-security organizations, and engineering teams supporting government programs. Our lab calibrates RF/microwave, electronic, and timing and frequency equipment to ISO/IEC 17025:2017 and ANSI/NCSL Z540.3 requirements, with audit-ready documentation for AS9100 and ISO 9001 quality systems.
Why Quality Teams in Fairfax 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
Calibration Services Available to Fairfax, VA Operations
Additional Calibration Options
How Tra-Cal Serves Fairfax, VA
In-Lab Calibration:
Send your equipment to our ANAB-accredited ISO/IEC 17025:2017 laboratory using prepaid ship-in service serving Fairfax and Fairfax 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 Fairfax-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
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Yes. Tra-Cal supports Fairfax and the surrounding Fairfax County area through two intake paths: prepaid ship-in service and onsite calibration appointments at your facility. The same ISO/IEC 17025:2017 accreditation, NIST-traceable standards, and certificate quality apply regardless of how your instruments reach us.
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Yes. Tra-Cal maintains ISO/IEC 17025:2017 accreditation. ANSI/NCSL Z540-1 and Z540.3 conformance is also available. The current scope of accreditation is published on the Tra-Cal Certificate of Accreditation page.
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Standard turnaround for in-lab calibration is approximately five business days from receipt of the instrument. Expedited turnaround is available on request and depends on instrument type, parameter scope, and current lab volume.
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Yes. Each calibration certificate documents traceability through NIST, includes as-found and as-left data where applicable, lists the standards used, the calibration procedure reference, environmental conditions, and the technician. Certificates are designed to support AS9100, ISO 13485, ISO 9001, and FDA 21 CFR Part 820 quality system audits.
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Tra-Cal supports defense and national-security engineering teams, university research laboratories, engineering companies, and quality teams across Fairfax, Oakton, Mantua, Merrifield, Fairfax Station, Fair Lakes, Burke, and the wider Fairfax County area.
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Yes. Onsite calibration is available for fixed assets, large inventories, and instruments that should not be transported. A scheduled appointment is set with your team, and the calibration is performed in a controlled environment at your facility with full documentation.
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A packaging guide is provided when you request a quote. In general, instruments should be powered down, accessories included where required for calibration, and packed with appropriate cushioning. A prepaid shipping label is available for qualifying customers.
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Yes. Tra-Cal offers metrology database management with automated due-date notifications, historical certificate retrieval, and asset-level records suitable for audit support.
Visit Our Gaithersburg Facility or Find Us Near You
Tra-Cal
Lab
8577 Atlas Drive
Gaithersburg, MD 20877
Servicing Local Fairfax Zip Codes:
22030, plus surrounding Fairfax County ZIP codes.
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 Fairfax, Oakton, Mantua, Merrifield, Fairfax Station, Fair Lakes, and the wider Fairfax County area with ANAB-accredited ISO/IEC 17025:2017, NIST-traceable calibration. Call 301-527-9200 or request a free quote online.