SU1589182A1 - Apparatus for measuring specific conductance of liquid - Google Patents

Abstract

The invention relates to contactless conductometric means of analyzing liquid media and can be used to measure the absolute and relative values of the electrical conductivity of seawater in hydrophysical studies. The aim of the invention is to improve the accuracy of the electrical conductivity of the liquid in the deep layers of reservoirs. The device is a case with a contactless sensor located along the axis of the case, with the connection coil made in the form of a quartz tube mounted along the axis of symmetry of the case. The housing is filled with a high-temperature liquid dielectric, and the chamber with an exemplary liquid is made of quartz and has the shape of two crossed loops covering current and voltage transformers. Part of the housing wall and the chamber with an exemplary liquid are made in the form of an elastic diaphragm. Primary temperature transducers are installed on the outer part of the housing and in the chamber with an exemplary liquid. 1 il.

Description

. The invention relates to contactless conductometric means of analyzing liquid media and can be used to measure the absolute and relative values of seawater specific electrical conductivity (TEP) in hydrophysical studies, in the control of electrolytes, in metrological practice and other practical applications.

The purpose of the invention is to improve the accuracy of measuring the conductivity of the liquid in the deep layers of water bodies.

The drawing shows a simplified construction of a device for measuring the specific electric conductivity of a liquid.

The device comprises a housing 1 made of a dielectric material, with a portion of the housing wall provided with an elastic diaphragm 2 for transferring external hydrostatic pressure. The housing 1 is filled with a high-temperature ukitsky dielectric 3. The housing 4 is located in the housing 1, the inlet of which (or part of the wall) is provided with an elastic

00

Yu

315

aperture 5, chamber 4 filled with exemplary liquid b. Symmetrically with respect to the longitudinal axis of the housing 1, voltage transformers 7 and current 8 of a contactless conductometric sensor are installed in it. The primary temperature transducers 9 and 10 are installed in the chamber 4 in the model liquid and on the outer side of the housing 1, respectively. The transformers 7 and 8 are connected by a liquid coil 11 made in the form of a quartz tube installed along the symmetry axis of the housing 1. Chamber 4 is also made of quartz and has the shape of Two crossed peteps, covering current transformers 8 and voltage 7

Oil is used as a high-temperature liquid dielectric 3. The inner cavity of the chamber 4 is filled with a standard (reference) solution, for example, normal sea water. Elastic diadt - rags 2. and 5 prevent the displacement of fluids and are capable of transmitting external hydrostatic pressure without distortion.

The primary winding of the transformer 7 is connected to the generator. The meter (secondary apparatus) is connected to the current transformer 8,

The device works as follows.

After filling the chamber 4 and the body with 1 exemplary liquid 6 and liquid

Q 5

0 5

0

824

dielectric 3, the device is immersed to a predetermined depth, the output signal of the error of the SEC under study and the sample liquid is fed to the secondary apparatus. Measurements are made only after equalizing the temperatures of the sample fluid 6 and the test fluid, F. Formula. and invention

A DPP device measuring the specific electrical conductivity of a fluid, comprising a housing in which a chamber filled with an exemplary fluid, primary temperature transmitters of an exemplary and test fluid, current and voltage transformers installed in the housing and connected to the fluid under investigation, and also a meter connected to a voltage transformer, characterized in that, in order to improve the accuracy of measuring the electrical conductivity of the deep layers of water bodies, the housing is filled thermal fluid dielectric, the liquid coil of communication is made in the form of a quartz tube installed along the symmetry axis of the housing, and the chamber with exemplary liquid is made of quartz and has the shape of two crossed loops covering current transformers and voltages, part of the housing wall and chamber exemplary liquid made in the form of an elastic diaphragm.

Claims (1)

SUMMARY OF THE INVENTION A device for measuring the electrical conductivity of a liquid, comprising a housing in which a chamber filled with a reference fluid is placed, primary transducers of temperature of the reference and test fluid, current and voltage transformers installed in the housing, coupled by a fluid communication loop for the test fluid, and a meter, connected to a voltage transformer, characterized in that, in order to improve the accuracy of measuring the electrical conductivity of the deep layers of reservoirs, the busbar is filled with a high-temperature liquid-conducting dielectric, the liquid communication loop is made in the form of a quartz tube mounted along the axis of symmetry of the housing, and the chamber with the reference fluid is made of quartz and has the shape of two crossed loops covering the current and voltage transformers, part of the housing wall and the chamber with reference fluid made in the form of an elastic diaphragm.