CN207976574U - A kind of calibrating installation of lower range pure water conductivity instrument - Google Patents
A kind of calibrating installation of lower range pure water conductivity instrument Download PDFInfo
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- CN207976574U CN207976574U CN201820212270.2U CN201820212270U CN207976574U CN 207976574 U CN207976574 U CN 207976574U CN 201820212270 U CN201820212270 U CN 201820212270U CN 207976574 U CN207976574 U CN 207976574U
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Abstract
The utility model is related to conductivity meter calibration detection apparatus fields, especially a kind of calibrating installation of lower range pure water conductivity instrument, include a container for accommodating verification liquid, the container inner hollow makes a seal chamber being isolated with external environment, there are inlet and liquid outlet in the both sides of the seal chamber respectively, one conductivity measurement probe is installed at the top of the container, the conductivity measurement probe stretches into seal chamber, a temperature sensor is installed at the top of the container of conductivity probe side, the test side of the temperature sensor is located at the temperature that detection check liquid is used in seal chamber, the conductivity measurement probe and temperature sensor are connected with a standard conductivity measuring device, the standard conductivity measuring device is used to handle the signal that conductivity measurement probe and temperature sensor export.
Description
Technical field
The utility model is related to conductivity meter calibration detection apparatus field, especially a kind of lower range pure water conductivity instrument
Calibrating installation.
Background technology
Water purification machine is a kind of usual means being used to prepare corresponding conductivity solution, is widely used in laboratory, scientific research
In the mechanisms such as institutes.
The conductivity of water purification machine itself installation is usually used in the detection of the existing conductivity for preparing pure water for water purification machine
Instrument carries out the detection of conductivity while preparing.But since the specification of the calibrating range of existing water purification machine is not related to 0- generally
100 μ S/cm, therefore, when being needed in experimentation using the pure water for being in the range or 0.01-18.25M Ω * cm range abilities,
It can not determine whether the reading of the included conductivity meter of water purification machine is accurate, therefore other high-precision conductivity meters need to be coordinated to carry out
Detection cannot be satisfied the requirement of pure water lower range detection.
In addition to this, it is single that the conductivity meter installed in water purification machine need to generally be removed to progress for the calibrating of existing water purification machine
Solely calibrating, but such calibrating mode, it is not only complicated for operation also to cannot be satisfied the requirement that complete machine detection is carried out to water purification machine, therefore
Accuracy is insufficient.
Utility model content
The purpose of the utility model is to overcome the deficiencies in the prior art, provide a kind of reasonable for structure, complete machine calibrating can expire
A kind of calibrating installation of lower range pure water conductivity instrument of sufficient lower range required precision.
The utility model is achieved through the following technical solutions:
A kind of calibrating installation of lower range pure water conductivity instrument, it is characterised in that:Include an appearance for accommodating verification liquid
Box is set, the container inner hollow makes a seal chamber being isolated with external environment, and there are feed liquor in the both sides of the seal chamber respectively
Mouthful and liquid outlet, a conductivity measurement probe is installed at the top of the container, which stretches into seal chamber
It is interior, a temperature sensor is installed at the top of the container of conductivity probe side, the test side of the temperature sensor is located at
The temperature of detection check liquid is used in seal chamber, the conductivity measurement probe and temperature sensor to be surveyed with a standard conductivity
Amount device is connected, the signal which is used to export conductivity measurement probe and temperature sensor into
Row processing.
Moreover, the standard conductivity measuring device includes conductivity measurement module, temperature correction module, central processing mould
Block and data transmission module, the conductivity measurement module are connected with conductivity measurement probe, the temperature correction module with
Temperature sensor is connected, and the signal output end of the conductivity measurement module and temperature correction module is connected with central processing module
It connects, the signal output end of the central processing module is connected with data transmission module, and the data transmission module is used for and outside
Control storage device carries out data transmission.
Moreover, the inlet is made in container side lower end, the container other side upper end make it is described go out liquid
Mouthful, an agitating device is installed in the middle part of the seal chamber of the container.
Moreover, the container middle top makes a through-hole, for installing the conductivity measurement probe in the through-hole,
Sealing ring is embedded between the outer rim and through-hole inner edge of the conductivity measurement probe.
The advantages of the utility model and good effect are:
1, when the utility model is used, container is for the accommodating verification liquid made by water purification machine, uses and external rings
The sealing cavity configuration of border isolation, can meet the calibrating requirement of lower range, effectively reduce empty contacted with gas pure water air and to measurement
And pure water the influence brought, improves calibration accuracy, and standard conductivity measuring device is used to examine and determine the verification liquid in container, i.e.,
Machine examines and determine the conductivity in same parity liquid jointly, to by the reading of the result of standard conductivity measuring device and water purification machine into
Row compares, and completes the calibration for water purification machine, you can the requirement for meeting the calibrating of water purification machine complete machine can also realize water purification machine for low
The calibrating requirement of range;
2, when the utility model is used, the signal that conductivity measurement module is used to export conductivity probe is handled simultaneously
Fed back in central processing module, temperature correction module for temperature sensor output signal and it is detected
Temperature compensates, central processing module for handling corresponding signal, and will treated signal by data transmission module,
It is transmitted to external slave computer or storage device;
3, when the utility model is used, container inlet and liquid outlet shift to install so that the internal volume of container
It is especially big relative to inlet flow rate, always ensure that liquid is stablized in internal flowing, agitating device is then used for verification liquid progress
Stirring ensures that the temperature of verification liquid is as uniform as possible, is influenced caused by being further reduced non-uniform temperature by adjusting rotating speed;
4, in the utility model, conductivity measurement probe is located in the through-hole of container middle top, to ensure conductance
The inner wall far from container, sealing ring not being sealed through-hole then for positioning conductivity probe, carrying rate probe as possible
Rise the accuracy of calibrating.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model;
Fig. 2 is the module diagram of the utility model.
Specific implementation mode
It elaborates to the utility model below by embodiment, the embodiment is illustrative instead of limiting
, protection scope of this utility model cannot be limited by this.
A kind of calibrating installation of lower range pure water conductivity instrument, the innovation of the utility model are, including one is used to house
The container 5 of liquid is verified, the container inner hollow makes a seal chamber being isolated with external environment, the both sides of the seal chamber
There are inlet 7 and liquid outlet 3 respectively, a conductivity measurement probe 8 is installed at the top of the container, which visits
Head stretches into seal chamber, and a temperature sensor 4, the temperature sensor are equipped at the top of the container of conductivity probe side
Test side be located at the temperature that detection check liquid is used in seal chamber, the conductivity measurement probe and temperature sensor are with one
The terminals 2 of standard conductivity measuring device 1 are connected, the standard conductivity measuring device be used for conductivity measurement probe and
The signal of temperature sensor output is handled.
In the present embodiment, the standard conductivity measuring device includes conductivity measurement module, temperature correction module, center
Processing module and data transmission module, the conductivity measurement module are connected with conductivity measurement probe, the temperature correction
Module is connected with temperature sensor, signal output end and the central processing mould of the conductivity measurement module and temperature correction module
Block is connected, and the signal output end of the central processing module is connected with data transmission module, and the data transmission module is used for
Carry out data transmission with outside control storage device.
In the present embodiment, the inlet is made in container side lower end, which makes institute
Liquid outlet is stated, an agitating device 6, the agitating device preferred magnet rotor stirring dress are installed in the middle part of the seal chamber of the container
It sets.
In the present embodiment, the container middle top makes a through-hole, is surveyed in the through-hole for installing the conductivity
Amount probe, is embedded with sealing ring 9 between the outer rim and through-hole inner edge of the conductivity measurement probe.
The use process of the utility model:
When the utility model is used, it is imported in container by pure water prepared by water purification machine, uses standard conductivity to survey later
The amount device pure water in container is detected, and standard conductivity measuring device is obtained data and water purification machine itself
Data are compared, to realize the calibration to water purification machine.
When the utility model is used, container is for the accommodating verification liquid made by water purification machine, uses and external environment
The sealing cavity configuration of isolation can meet the calibrating requirement of lower range, effectively reduce empty contacted with gas pure water air and to measurement band
And water purification machine the influence come, improves calibration accuracy, and standard conductivity measuring device is used to examine and determine the verification liquid in container, i.e.,
Conductivity in common calibrating same parity liquid, to carry out the reading of the result of standard conductivity measuring device and water purification machine
Compare, complete the calibration for water purification machine, you can the requirement for meeting the calibrating of water purification machine complete machine can also realize that water purification machine is directed to low amounts
The calibrating requirement of journey;Standard conductivity device can carry out comparing and recording in real time with the conductivity meter on water purification machine, improve school
Accurate precision;Standard conductivity device can be by tracing to the source to unit dosages such as metering institutes of China, it is ensured that precision.
Claims (4)
1. a kind of calibrating installation of lower range pure water conductivity instrument, it is characterised in that:Including one for the accommodating of accommodating verification liquid
Box, the container inner hollow make a seal chamber being isolated with external environment, and there are inlet in the both sides of the seal chamber respectively
And liquid outlet, a conductivity measurement probe is installed at the top of the container, which stretches into seal chamber,
One temperature sensor is installed at the top of the container of conductivity probe side, the test side of the temperature sensor is located at sealing
Intracavitary is used for the temperature of detection check liquid, and the conductivity measurement probe and temperature sensor, which are measured with a standard conductivity, to be filled
It sets and is connected, at the signal which is used to export conductivity measurement probe and temperature sensor
Reason.
2. a kind of calibrating installation of lower range pure water conductivity instrument according to claim 1, it is characterised in that:The standard
Conductivity measuring apparatus includes conductivity measurement module, temperature correction module, central processing module and data transmission module, described
Conductivity measurement module is connected with conductivity measurement probe, and the temperature correction module is connected with temperature sensor, the electricity
Conductance measurement module and the signal output end of temperature correction module are connected with central processing module, the letter of the central processing module
Number output end is connected with data transmission module, and the data transmission module is used for and external control storage device carries out data biography
It is defeated.
3. a kind of calibrating installation of lower range pure water conductivity instrument according to claim 2, it is characterised in that:It is described accommodating
The inlet is made in box side lower end, which makes the liquid outlet, the seal chamber of the container
Middle part is equipped with an agitating device.
4. a kind of calibrating installation of lower range pure water conductivity instrument according to claim 2, it is characterised in that:It is described accommodating
Box middle top makes a through-hole, for installing the conductivity measurement probe in the through-hole, the conductivity measurement probe
Sealing ring is embedded between outer rim and through-hole inner edge.
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CN201820212270.2U CN207976574U (en) | 2018-02-07 | 2018-02-07 | A kind of calibrating installation of lower range pure water conductivity instrument |
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CN201820212270.2U CN207976574U (en) | 2018-02-07 | 2018-02-07 | A kind of calibrating installation of lower range pure water conductivity instrument |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112283348A (en) * | 2020-10-22 | 2021-01-29 | 陕西省计量科学研究院 | Standard conductivity solution sealing method for preventing carbon dioxide from dissolving in water |
CN113295196A (en) * | 2021-05-28 | 2021-08-24 | 东华大学 | Three-in-one device for filtering equipment and calibration method thereof |
CN113866699A (en) * | 2021-09-30 | 2021-12-31 | 广州赛宝计量检测中心服务有限公司 | Calibration device |
-
2018
- 2018-02-07 CN CN201820212270.2U patent/CN207976574U/en active Active
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112283348A (en) * | 2020-10-22 | 2021-01-29 | 陕西省计量科学研究院 | Standard conductivity solution sealing method for preventing carbon dioxide from dissolving in water |
CN113295196A (en) * | 2021-05-28 | 2021-08-24 | 东华大学 | Three-in-one device for filtering equipment and calibration method thereof |
CN113866699A (en) * | 2021-09-30 | 2021-12-31 | 广州赛宝计量检测中心服务有限公司 | Calibration device |
CN113866699B (en) * | 2021-09-30 | 2024-06-11 | 广州赛宝计量检测中心服务有限公司 | Calibrating device |
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