FIELD: instrument making.
SUBSTANCE: invention can be used for measurement of parameters related with acceleration of the internal combustion engine crankshaft in operating conditions. The device contains the inductor pickup, a cycle isolation unit, a time counter, a control unit, a comparator and a computing device, rpm determination unit and a result display unit. Here, the inductor pickup is connected, via the cycle isolation unit and time counter, to the control unit with one output connected via the rpm determination unit and the other output via the comparator connected to appropriate inputs of the result display unit.
EFFECT: higher quality of measurement due to definition of values of angular acceleration of a crankshaft in the entire rpm range.
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