FIELD: measuring equipment, applicable in automatic measurement systems, control and emergency protection systems, in which the source information subject to analysis is presented in the frequency form.
SUBSTANCE: the offered device for frequency measurement has a shaper of the pulse train under investigation, standard-frequency oscillator, not circuit, the first counter and register, the second counter and register, microprocessor system, trigger pulse shaper, OR element, synchronizing unit, control unit, count pulse shaper, and a multiplexer interconnected in a respective way. The given device realized the method for frequency measurement.
EFFECT: expanded band and enhanced accuracy of frequency measurement.
2 cl, 8 dwg
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