ptc instruments, pacific transducer corp., durometers, thermometers, pressure gauges, steel hardness testers, polariscopes, optical instruments, shore hardness, rubber testing, surface thermometers, digital thermometers, chart recorders, data loggers, stem thermometers, microscopes, relative humidity, training handcuffs, bimetal thermometer, instruments, optical, astm, a2la accredited, iso 17025, calibration, temperature, calibration lab, rubber tester, plastic tester, elastomers, hardness testing, testing, rh, certification, calibration lab, nist, astm d2240, astm f1957, shore durometers, zwick, conveloader, stands, pencil, pressure, pressure gauges, pressure calibrators, melting point, gages, meters, portable, rockwell, griddle thermometer, spot check, dual magnet, scales, practical, cuffs, los angeles, california

ptc manufactures durometers, surface thermometers, steel hardness testers, optical instruments, data loggers, recording thermometers & practcial training handcuffs.