RU2018117411A - LIQUID ELECTRICAL CONDUCTIVITY SENSOR - Google Patents

LIQUID ELECTRICAL CONDUCTIVITY SENSOR Download PDF

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Publication number
RU2018117411A
RU2018117411A RU2018117411A RU2018117411A RU2018117411A RU 2018117411 A RU2018117411 A RU 2018117411A RU 2018117411 A RU2018117411 A RU 2018117411A RU 2018117411 A RU2018117411 A RU 2018117411A RU 2018117411 A RU2018117411 A RU 2018117411A
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RU
Russia
Prior art keywords
pairs
electrode
electrodes
electrical conductivity
additional
Prior art date
Application number
RU2018117411A
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Russian (ru)
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RU2707396C2 (en
RU2018117411A3 (en
Inventor
Николай Сергеевич Дубовик
Сергей Антонович Дубовик
Евгений Иванович Козлов
Дарья Сергеевна Матяс
Ирина Николаевна Пичугина
Original Assignee
Общество с ограниченной ответственностью "Спецлак" (ООО "Спецлак")
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Application filed by Общество с ограниченной ответственностью "Спецлак" (ООО "Спецлак") filed Critical Общество с ограниченной ответственностью "Спецлак" (ООО "Спецлак")
Priority to RU2018117411A priority Critical patent/RU2707396C2/en
Publication of RU2018117411A publication Critical patent/RU2018117411A/en
Publication of RU2018117411A3 publication Critical patent/RU2018117411A3/ru
Application granted granted Critical
Publication of RU2707396C2 publication Critical patent/RU2707396C2/en

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Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
    • G01N27/04—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
    • G01N27/06—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of a liquid
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
    • G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
    • G01R27/22—Measuring resistance of fluids

Claims (1)

Контактный датчик удельной электрической проводимости жидкости, включающий опорный элемент и установленные на нем возбуждающие и измерительные электроды, отличающийся тем, что электроды представляют собой круглые плоские диски одинаковой площади, установленные на опорном элементе, изготовленном в виде отрезка трубы из непроводящего материала, перпендикулярно его продольной оси попарно таким образом, что среднее расстояние между поверхностями электродов в парах меньше среднего расстояния между соседними парами, средние расстояния между поверхностями электродов в двух и более парах различаются между собой, при этом каждый измерительный электрод снабжен дополнительным электрически связанным и смежным с ним электродом, образующим с другим дополнительным электродом дополнительную пару, причем датчик снабжен устройством контроля и обработки данных, включающее устройство сравнения, формирующее сигнал, зависящий от изменения отношения значений удельной электрической проводимости, измеренных в межэлектродных промежутках упомянутых пар.A liquid conductivity contact sensor including a support element and exciting and measuring electrodes mounted on it, characterized in that the electrodes are round flat disks of the same area mounted on a support element made in the form of a pipe segment made of non-conductive material perpendicular to its longitudinal axis pairwise in such a way that the average distance between the surfaces of the electrodes in pairs is less than the average distance between adjacent pairs, the average distances Between the electrode surfaces in two or more pairs are distinguished from each other, each measuring electrode is equipped with an additional electrically connected and adjacent electrode, forming an additional pair with the other additional electrode, and the sensor is equipped with a data monitoring and processing device, including a comparison device that generates a signal depending on the change in the ratio of the values of electrical conductivity, measured in the interelectrode spaces of said pairs.
RU2018117411A 2018-05-10 2018-05-10 Contact sensor of specific electric conductivity of liquid RU2707396C2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RU2018117411A RU2707396C2 (en) 2018-05-10 2018-05-10 Contact sensor of specific electric conductivity of liquid

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RU2018117411A RU2707396C2 (en) 2018-05-10 2018-05-10 Contact sensor of specific electric conductivity of liquid

Publications (3)

Publication Number Publication Date
RU2018117411A true RU2018117411A (en) 2019-11-11
RU2018117411A3 RU2018117411A3 (en) 2019-11-11
RU2707396C2 RU2707396C2 (en) 2019-11-26

Family

ID=68579369

Family Applications (1)

Application Number Title Priority Date Filing Date
RU2018117411A RU2707396C2 (en) 2018-05-10 2018-05-10 Contact sensor of specific electric conductivity of liquid

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RU (1) RU2707396C2 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2761775C1 (en) * 2020-06-17 2021-12-13 Общество с ограниченной ответственностью "Спецлак" (ООО "Спецлак") High-frequency capacitive contactless sensor of specific electrical conductivity of liquid
RU201075U1 (en) * 2020-07-07 2020-11-26 Федеральное государственное унитарное предприятие "Всероссийский научно-исследовательский институт метрологии им. Д.И.Менделеева" TWO-ELECTRODE CONDUCTOMETRIC SENSOR

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU1784895A1 (en) * 1990-01-10 1992-12-30 Univ Donetsk First metering contact converter for specific conductance measurement
RU10883U1 (en) * 1998-10-26 1999-08-16 Институт проблем морских технологий Дальневосточного отделения РАН DEVICE FOR MEASURING ELECTRICAL CONDUCTIVITY OF A LIQUID
EP1621876A1 (en) * 2004-07-30 2006-02-01 Metroglas AG Conductivity sensor
RU2392613C1 (en) * 2009-05-22 2010-06-20 Роальд Евгеньевич Тайманов Contact sensor of liquid specific electrical conductivity
EP2764373A4 (en) * 2011-10-04 2015-07-01 Aseptia Inc Conductivity measurement of fluids
RU2491538C1 (en) * 2012-04-16 2013-08-27 Роальд Евгеньевич Тайманов Contact sensor of specific electric conductivity of liquid

Also Published As

Publication number Publication date
RU2707396C2 (en) 2019-11-26
RU2018117411A3 (en) 2019-11-11

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MM4A The patent is invalid due to non-payment of fees

Effective date: 20200511

NF4A Reinstatement of patent

Effective date: 20210628