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Data Logger Calibration

PTC Metrology™is Accredited by A2LA to ISO/IEC 17025 ANSI/NCSL Z540-1 and offers NIST Traceable calibration services for Data Loggers. Calibration certificates include temperature, humidity, pressure and hardness.

Certifications will include; as received and as returned data a statement of uncertainty laboratory conditions and information on the primary standards. To assist you in choosing test points please refer to ASTM E-77 and NIST recommendations. View our scope of our accreditation.

For technical assistance please contact us: [email protected]

NIST Traceable/A2LA Accredited Certification Customer Selected Temperature Points
This certification will contain the as received and as returned calibration results of the UUT at the points selected by the customer. The points may be selected from the chart below. Information on the customer's UUT and PTC®'s calibration standards, statement of uncertainty, laboratory conditions and information on the primary standards will also be on the certification. Cost of the certification will depend on which temperature points you chose. A three point minimum is required.

For customer selected temperature points, NIST Traceable / A2LA Accredited, please call toll free 877.782.2329

  • Temperature Range Celcius
  • Liquid Nitrogen -196° C to -77° C
  • -75° C to -21° C
  • -20° C to 100° C
  • -Triple Point of Water +0.01 C
  • 101° C to 270° C
  • 271° C to 900° C
Table of Coefficients is available on request.


If you have an instrument for calibration and or written certification. Please fill out the form by clicking on the link below. A PTC® associate will email you a 'Return Number'. Pack the unit and put the return number on the outside of the carton or on your packing slip.

Once we receive the unit, we will estimate the cost to repair and calibrate your instrument. If you require written certification, there is an additional cost. After the estimate is complete we will email you for your final approval. Certification prices do not include labor, adjustment, repairs, or replacement parts.

Turnaround time for most instruments is approximately one week; lab instruments can take up to 10 business days to complete. Please let us know if you have a deadline or upcoming audit so your instruments are given our top priority.

Recall Notification

PTC Metrology™ will notify you by email when your instrument is due for recalibration, in accordance with the period of validity that your quality system specifies.

Calibration Intervals will be determined by the end user, based on frequency of use, severity of conditions, environmental factors, and other variables. The default calibration interval is 1 year.