FIELD: medicine.
SUBSTANCE: device has the first to sixth keys, tumbler switch, the first to eleventh switches, NOT-gate, the first to third monovibrators, trigger, the first and the second mode switches , OR-gate, the first and the second linearly variable voltage oscillators, analog multiplexor, voltage-to-frequency converter, luminous pulses source, second-long pulse oscillator, unit for calculating frequency difference, the first and the second indication units and counter.
EFFECT: high accuracy of measurements.
2 dwg
