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Fig. 2.


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Block diagram of the diagnostic complex: 1 – piezoelectric type vibration sensor; 2 – VVM-201 vibrometer; 3 – detector; 4 – voltage divider No. 1; 5 – amplifier of the 1st stage; 6 – summing amplifier; 7 – voltage divider No. 2; 8 – arrow indicator; 9 – a device comparing; 10 – sound alarm unit; 11 is a voltage stabilizing block.

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