Kistler Instrument is one of the world's leading suppliers of measurement technology. The company s pressure sensors, force sensors and accelerometers use the piezoelectric effect for the precise measurement of mechanical properties. With its worldwide headquarters in Winterthur, Switzerland, Kistler expanded to the United States in 1955 and has been at its Amherst, N.Y., location since 1979. The facility employs approximately 100 people and includes a production floor and a research and development center for acceleration products. The company also maintains a sensor calibration laboratory and recommends annual calibration to maintain the precise data integrity of its sensors. Kistler Instrument has U.S. sales offices in Farmington Mills, Mich., Oxnard, Calif., Liberty, Mo., and Dayton, Ohio.