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In the late 1950s, Tektronix began developing '''solutions for analysis of rotational machinery''', especially internal combustion engines. | In the late 1950s, Tektronix began developing '''solutions for analysis of rotational machinery''', especially internal combustion engines. | ||
The earliest implementation was the [[ROTAN]] system from 1958 that used a magnetic drum rotational encoder coupled to the engine. '' | The earliest implementation was the [[ROTAN]] system from 1958 that used a magnetic drum rotational encoder coupled to the engine. It was limited to 10,000 rpm. ''What was the commercial status of ROTAN?'' | ||
In the early 1960s, the [[183|183 Rotational Analyzer]] with its [[182]] | In the early 1960s, still under the ROTAN label, the [[183|183 Rotational Analyzer]] with its optoelectronic [[182]] allowed up to 20,000 rpm. | ||
In 1967, the '''Tektronix Engine Analyzer''', a next generation of products based on optoelectronic rotational encoders, pressure transducers, and ignition pick-off probes, was commercialized. | In 1967, the '''Tektronix Engine Analyzer''', a next generation of products based on optoelectronic rotational encoders, pressure transducers, and ignition pick-off probes, was commercialized. |