(View map)
The fuel flow sensor with the portable counter is installed on the measuring instrument of volume from which the entrance roller receives rotational motion. Through worm gearing and the flexible roller rotation from the entrance roller arrives on the revolution meter of the joint venture 116 - 400 installed in the portable reading device which registers the accruing result of amount of the given fuel. Dumping of its indications is excluded.
On entrance to a shaft is located the shutter of a cut of which pass infrared radiation on photodetectors. Signals from exits of photodetectors amplify and arrive on flow rate sensor exits. Output signals represent two sequences of the impulses shifted from each other by 90 degrees which one period corresponds to delivery of 10 ml of fuel.
