RIGOL Technologies, or RIGOL, is a Chinese manufacturer of electronic test equipment. The company has over 500 employees and more than 493 patents. Currently, it has offices in Cleveland, Ohio; Beaverton, Oregon; Munich, Germany; in addition to its headquarters in Beijing, China. RIGOL's line of products includes digital oscilloscopes, RF spectrum analyzers, digital multimeters, function/arbitrary waveform generators, digital programmable power supplies, and spectrophotometers. Wikipedia