Description Monarch Instrument is one of the world’s largest suppliers of portable speed measurement products. We are an ISO 9001-2008 registered manufacturer of precision electronics situated in Amherst, New Hampshire in the northeastern United States of America. Monarch International, Inc. was founded in 1977 as a sales and service organization for a diverse range of instrumentation. In 1982, the Monarch Instrument Division was established to manufacture and market the first microprocessor based portable tachometers. With the addition of new models of tachometer and the introduction of the Nova-Strobe Series of portable stroboscopes, Monarch rapidly became the worlds largest supplier of rotational speed measuring instrumentation and stroboscopic inspection equipment. Other products include the DataChart Paperless Recorder, Portable USB Temperature and Humidity Probe, ultrasonic Leak Detectors, Track-It™ Data Loggers,