Welcome to PTC® Instruments & PTC Metrology™

PTC® Instruments, a division of Pacific Transducer Corp is 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.
Accredited to ISO 17025

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.
  • PTC® also offers a full line of Pressure Gauges, and 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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