Experimental data recording and analysis using a PET minicomputer

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Abstract
Describes the development of a cheap digital converter and interface unit, which is suitable for coupling various analogue measuring devices to a Commodore PET minicomputer, so that experimental measurements can be recorded, analysed, displayed and saved in one continuous operation. The system has been developed successfully to process three input signals, sufficient to conduct a velocity-distribution test across a free jet of air. The extension of the system to cater for up to 31 input signals is discussed and other applications, such as process control and boundary layer measurement and analysis, are suggested.

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