| 1. Connect (+) batteries to a conclusion of 1 sensor, and (-) batteries with a conclusion 2. (+) a conclusion of the voltmeter connect to a conclusion 3, and (-) a voltmeter conclusion – with a conclusion 2, according to the scheme. |
| 2. Turn a shaft – the voltmeter should show 4 times for 1 turn the tension fluctuating from 0 till 11 Century. Otherwise the sensor replace. |
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