Zurich Instruments is a test and measurement company based in Zurich, Switzerland, with subsidiaries in Shanghai and Boston. We develop and sell high-end instrumentation, and we take pride in supporting our international customers directly.Our cutting-edge instruments are made for scientists and technologists who are passionate about phenomena that are notoriously difficult to measure. Our products include lock-in amplifiers, arbitrary waveform generators, impedance analyzers, quantum computing control systems, phase-locked loops, digitizers and boxcar averagers.