FIELD: mechanical engineering; measurement of vibrations of cylinder liners of internal combustion engines in testing them. SUBSTANCE: proposed device has body, cylinder block, rod, cylinder liner, vibration sensor mounted on rod, vibration sensor mounted on cylinder block, first and second subtraction units, first and second recorders, first and second analog-to-digital converters and first and second signal spectrum analyzers. EFFECT: enhanced accuracy of measurements; enhanced reliability of technical diagnosis; enhanced efficiency of testing. 1 dwg
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