In-Lab & Onsite Calibration Services in Portsmouth, NH

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 Portsmouth 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 in Gaithersburg, MD, Tra-Cal serves Portsmouth and the surrounding Rockingham County communities of Newington, Greenland, Rye, New Castle, and Stratham. Local operations include Lonza Biologics’ cGMP biopharmaceutical manufacturing on International Drive and NovoCure’s FDA registered device site on Commerce Way. We support the area’s biologics and medical device manufacturers, defense electronics producers, healthcare facilities, and engineering firms with NIST-traceable calibration across a broad range of test and measurement instruments.

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

Serving Portsmouth, NH

Biomedical Calibration

Tra-Cal provides biomedical calibration for Portsmouth biologics manufacturers, medical device companies, hospitals, and clinical labs, 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 Portsmouth-area defense contractors, federal agencies, 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 Portsmouth 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 Portsmouth, NH Operations

How Tra-Cal Serves Portsmouth, NH

In-Lab Calibration:

Send your equipment to our ANAB-accredited ISO/IEC 17025:2017 laboratory for prepaid ship-in service to Portsmouth and Rockingham 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 Portsmouth-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 Portsmouth Zip Codes:

03801, plus surrounding Rockingham 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 Portsmouth, Newington, Greenland, Rye, New Castle, Stratham, and the wider Rockingham County area with ANAB-accredited ISO/IEC 17025:2017, NIST-traceable calibration. Call 301-527-9200 or request a free quote online.