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Welcome to PTC® Instruments & PTC Metrology™
A division of Pacific Transducer Corp the leading manufacturer of Durometers and Surface Thermometers in the world. Our factory and calibration lab is located in Los Angeles, California where PTC® has been manufacturing quality test instruments since 1946.

Our Calibration Lab (PTC Metrology™) is Accredited by A2LA to ISO/IEC/17025 ANSI/NCSL Z540-1 Certificate number 1896.01

PTC® Instruments manufactures, calibrates and certifies the following test instruments...

  • Durometers-for testing the hardness of various plastics & rubber.

  • Data Loggers-for testing humidity, temperature, pressure, pH, voltage and shock.

  • Steel Hardness Testers-measures the hardness of metals in the range of 20 to 65 HRC.

  • Surface Thermometers-a full selection of types and temperature ranges for any application.

  • Recording Thermometers-records temperature versus time with both accuracy and reliability.

  • Pyrometer Kits-temperature measurement of furnaces, kilns, ovens, exhusts, motors, etc.

  • Brinell Microscopes-a hand held portable reader and compatible with all Brinell type machines.

  • Polariscopes-for determining strain patterns developed during fabrication & manufacturing of glass.

  • Pressure Gauges-Industrial Pressure gauges dry or glycerin filled, Dials up to 6"
PTC® offers a full line of many other industrial test instruments for temperature, humidity, pressure, strain and hardness.

PTC Metrology™ has manufactured and continues to calibrate durometers for...

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