the invention u043eu0442u043du043eu0441u0438u0442u0441u00a0 to the instrumentation technique. goal is to improve the accuracy of u0438u0437u043cu0435u0440u0435u043du0438u00a0 u043cu0438u043au0440u043eu043fu0435u0440u0435u043cu0435u0449u0435u043du0438u0439 u0435u043cu043au043eu0441u0442u043du043eu0433u043e sensor. the sensor contains a fixed potential measuring electrodes 1 and 2 and covering the inside and outside screens 3, 4. u0442u043eu0440u0446u044b electrodes and the screens are in the working plane of the sensor.outside the side cylindrical surface of the screen 4 is placed with the possibility of reciprocating u0434u0432u0438u0436u0435u043du0438u00a0 probe 5, in the internal cavity of which r u0430u0437u043cu0435u0449u0435u043du0430 u043cu0435u0442u0430u043bu043bu0438u0447u0435u0441u043au0430u00a0 plate 6, u043au043eu0442u043eu0440u0430u00a0 electrically isolated from the housing and is parallel to the working plane of the sensor electrodes and the screens.by moving the probe 5 u0438u0437u043cu0435u043du00a0u0435u0442u0441u00a0 clearance between the plate 6 and the working u0442u043eu0440u0446u0430u043cu0438 electrodes and screens that leads to a change in capacity of the sensor. 2). 2
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