FIELD: electricity.
SUBSTANCE: device according to the invention comprises a capacitance sensor 1 and a temperature sensor 3, connected to generators 3 and 4, an analogue-to-digital converter 5 and a data processing unit 6, installed in a body 7. A unit of coupling with a computer 8, an indication unit 9 and an autonomous supply unit 10 are installed in a device handle 11. A generator circuit 3 is assembled on a field transistor with an RC-filter in a source circuit, voltage drop on which is proportional to electric conductivity of benzine and is used as a correction to results of measurements and characterises percentage of water in benzine.
EFFECT: higher accuracy of octane number measurement in case water is present.
2 dwg
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