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Durometer Calibration

PTC Metrology™ Calibration Lab

Durometer Calibration & Certification to ISO/IEC 17025 ANSI/NCSL Z540-1 

PTC® manufactures, repairs and calibrates durometers to ISO 17025. Including Shore, Rex, Mitutoyo and others.

All Calibration Standards are traceable to the National Institute of Standards and Technology (NIST). Durometer calibration services and reports are provided by PTC Metrology™ and will meet your ISO, ANSI, MIL, DoD, EuroNorm and other international standards including DIN 53505, ISO 868 and ISO 7619. 

A written calibration report for any durometer covered by current ASTM D2440 or ASTM F1957 specifications is available from PTC Metrology™ Certification provides "as received" and "as left" data. Calibration points for force curve and gage linearity are every 10 points over the scale (0-100) of the durometer.

PTC® durometers type A, B, C, D, DO, E, M, O, OO, OOO and OOO-S are calibrated in accordance with ASTM D2240 section 7 which includes the following measurements:
  1. Indenter Geometry
  2. Indenter Extension
  3. Gage Linearity
  4. Force Curve Measurement
A2LA has MRAs (mutual recognition agreements) with NVLAP, NIST, EA, ILAC, IAAC and NACLA (see ) for details. 

ASTM D2240 
      DUROMETERS D2240