ELECTRICAL CONDUCTIVITY VARIATION METER Russian patent published in 2022 - IPC G01R27/06 G01R27/02 G01N27/02 

FIELD: physics.

SUBSTANCE: invention relates to measurement equipment and can be used for continuous measurement of electrical conductivity, mineralization and temperature in natural and man-made medium, accumulation and output of digital measurement results to a system for monitoring the state of the environment. Electric conductivity variation meter includes housing (1), inside of which there are inductive conductivity transducer (3), coupling coil (4), temperature sensor (7), calibration unit (5), conductivity measurement unit (6), temperature measurement unit (8), real-time interface unit (9), memory unit (10), electric conductivity values temperature correction unit (11), comparator unit (12), notification unit (13), lightning protection terminal (14), control processor (15). Conductivity measurement unit (6) is connected to the output of the inductive conductivity transducer (3), which is connected to calibration unit (5) by means of communication loop (4), the temperature measurement unit (8) is connected to temperature sensor (7), a real-time interface unit (9) and input of memory unit (10), input of memory unit (10) is connected to output of conductivity measurement unit (6), two outputs of memory unit (10) are connected to inputs of temperature correction unit (11), and the output of the temperature correction unit (11) is connected to the input of comparator unit (12), the output of which is connected to the input of warning unit (13), the output of which is connected to the input of the lightning protection terminal (14), control processor (15) is connected to the inputs of calibration unit (5) and two-way communication with real-time interface unit (9), memory unit (10), temperature correction unit (11), comparator unit (12) and notification unit (13).

EFFECT: high accuracy of measuring electrical conductivity during continuous operation of the meter of variations of salinity (electrical conductivity) as part of a monitoring system.

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