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is the calibration laboratory of PTC® Instruments, the world's leading manufacturer of durometers and bimetal surface thermometers. PTC® has been performing calibrations for more than 60 years. John Marcus, Ph.D. is the Technical Director. He brings his training in experimental physics and thermodynamics to bear directly on PTC Metrology™, keeping it technically competent and up to date. Our certificate from A2LA covers calibration and written certification for..
In keeping with the worldwide demand for accredited calibrations, PTC Metrology™ has chosen A2LA as our accrediting body.
If you need an RMA number to return an instrument for calibration, repair and/or written certification, please fill out our
Return Authorization Form.
PTC Metrology™ offers standard humidity certifications; which include as received and as returned data; a statement of uncertainty; laboratory conditions; and information on the primary standards.
Relative or Gauge Pressure Pressure is usually measured, either as absolute pressure (psia), or relative to atmospheric pressure (psig).
Many quality assurance systems require that calibrated and certified thermometers be used where accurate measurements are of importance.
For more information contact our technical support team at