CN201053958Y - Small sized resistivity sensor for super pure water device for lab - Google Patents
Small sized resistivity sensor for super pure water device for lab Download PDFInfo
- Publication number
- CN201053958Y CN201053958Y CNU200720070754XU CN200720070754U CN201053958Y CN 201053958 Y CN201053958 Y CN 201053958Y CN U200720070754X U CNU200720070754X U CN U200720070754XU CN 200720070754 U CN200720070754 U CN 200720070754U CN 201053958 Y CN201053958 Y CN 201053958Y
- Authority
- CN
- China
- Prior art keywords
- electrode
- outer electrode
- temperature
- pure water
- external electrode
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired - Fee Related
Links
Landscapes
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Abstract
The utility model discloses a small resistivity sensor used for a laboratory ultra-pure water system. The utility model is characterized in that the sensor comprises an outer electrode, an inner electrode, a temperature electrode, a cable conductor and an impacted cap; wherein, the outer electrode is of a hollow cylinder, and one side of the mid part of the outer electrode is provided with a through hole; the inner electrode is arranged in the hollow cavity of the outer electrode and fixed with the outer electrode via an electrode seat, and the inner electrode is internally provided with the temperature electrode and is externally connected with a wiring screw cap; one end of the outer electrode is connected with the wiring screw cap, an end mouth is provided with the impacted cap that has the cable conductor, the other end of the outer electrode is provided with a water inlet at one side and a water outlet at the other side. The utility model combines the outer electrode and the inner electrode into a measuring pool, thereby reducing the volume of the whole sensor and resolving the problems in the prior art; and being well applied to the ultra-pure water measurement with the laboratory ultra-pure water system.
Description
Technical field
The utility model relates to a kind of sensor, and particularly a kind of laboratory Superpure water machine is with miniature resistance rate sensor.
Background technology
Resistivity sensor generally is applied in Treatment of Industrial Water equipment, and especially pharmaceutical factory, integrated circuit factory etc. need to use the field of ultrapure water, is used for detecting in real time the quality of ultrapure water.Existing such resistivity sensor generally is made up of titanium alloy or stainless steel sleeve electrode, temperature compensation, special measurement pond, its resistivity constant is generally 0.05cm-, if the constant of resistivity is accomplished 0.01cm-, that must strengthen the surface area of two electrodes and reduce two distance between electrodes, this will increase the difficulty of electrode processing, and the consistance of electrode is very poor.If make sensor constants is 0.01cm-, its external electrode diameter is generally 15-20mm, inner electrode diameter is 10-15mm, but also need special-purpose measuring cell could form survey sensor, so this sensor is easy to cause sensor internal that dead volume is arranged, be easy to generate bubble, and dead volume and bubble are the principal elements that influences the ultrapure water resistivity measurement precision; In addition since in the sensor electrode bigger, temperature propagation is inhomogeneous, cause temperature sensor measurement to temperature can not reflect real water temperature at any time, cause unnecessary error for the temperature compensation precision of resistivity sensor; Because the volume of laboratory Superpure water machine is less, parts are more, thus need each parts of water treatment all to want miniaturization, the be far from suitable needs of laboratory Superpure water machine development of present resistivity sensor.
Summary of the invention
The purpose of this utility model is a kind of laboratory Superpure water machine of providing at the deficiencies in the prior art with miniature resistance rate sensor, it directly forms measuring cell with external electrode and interior electrode, reduce the volume of whole sensor, solved prior art problems, the ultrapure water that is advantageously applied to the laboratory Superpure water machine detects.
The purpose of this utility model is achieved in that
A kind of laboratory Superpure water machine is that it comprises external electrode, interior electrode, temperature electrode, cable, clamping cap with miniature resistance rate sensor, characteristics, and external electrode is hollow cylinder, and its middle part one side is provided with a through hole; Interior electrode is positioned at the hollow of external electrode and fixes by electrode tip holder and external electrode, temperature electrode is housed in the interior electrode, is externally connected to wiring nut; One end of external electrode is connected with wiring nut, its port is equipped with clamping cap, and clamping cap is provided with cable, and the external electrode other end is provided with water inlet, a side is provided with water delivering orifice.
Be provided with several electrode wires in the described cable, be set with core sleeve on the electrode wires, the cable two ends are respectively installed with heat-shrinkable T bush.
Described electrode wires is connected on two wiring nut and the temperature electrode.
Distance between the utility model internal and external electrode is about 1mm, and the spatial volume of its inner chamber is very little, and ultrapure water is easy to emptying, is difficult for causing holding back of bubble, and the constant of its sensor is 0.0100cm-, meets the demand of ultrapure water high-acruracy survey; The measured ultrapure water temperature of temperature electrode is accurate, and the ultrapure water that is specially adapted to the laboratory Superpure water machine detects.
Description of drawings
Accompanying drawing is the utility model structural representation
Embodiment
Consult accompanying drawing, the utility model comprises external electrode 1, interior electrode 2, temperature electrode 22, cable 15, clamping cap 16, external electrode 1 is hollow cylinder, its middle part one side is provided with a through hole 24, through hole 24 places are provided with water delivering orifice 8 and fixing by nut 9, and external electrode 1 is fixed on the carriage 7 by packing ring 3, ring washer 6; Interior electrode 2 is positioned at the hollow of external electrode 1 and fixing with external electrode 1 by electrode tip holder 11, is respectively equipped with O-ring seal 23,10 between electrode tip holder 11 and inside and outside electrode; In the interior electrode 2 temperature electrode 22 is housed, external screw-thread is connected with wiring nut 21; The threaded one end of external electrode 1 is connected with wiring nut 12, its port is equipped with clamping cap 16, and clamping cap 16 is provided with cable 15, and cable 15 is by packing ring 14, and nut 13 is fixing with clamping cap 16; External electrode 1 other end is provided with water inlet 5 and fixing by nut 4; Be provided with several electrode wires 20 in the cable 15, be set with core sleeve 19 on the electrode wires 20, cable 15 two ends are respectively installed with heat-shrinkable T bush 18; Electrode wires 20 is connected on wiring nut 12, wiring nut 21, the temperature electrode 22.
The utility model is work like this: the exit of the several electrode wires 20 in the cable 15 is connected on the test instrumentation, tested ultrapure water enters in external electrode 1 cavity from water inlet 5, and from water delivering orifice 8 outflows, water is in flow process, demonstrate the data of internal and external electrode and temperature electrode by electrode wires 20 from test instrumentation, realize test purpose.
Claims (3)
1. a laboratory Superpure water machine is with miniature resistance rate sensor, it is characterized in that it comprises external electrode (1), interior electrode (2), temperature electrode (22), cable (15), clamping cap (16), external electrode (1) is hollow cylinder, and its middle part one side is provided with a through hole (24); Interior electrode (2) is positioned at the hollow of external electrode (1) and fixing by electrode tip holder (11) and external electrode (1), temperature electrode (22) is housed in the interior electrode (2), is externally connected to wiring nut (21); One end of external electrode (1) is connected with wiring nut (12), its port is equipped with clamping cap (16), and clamping cap (16) is provided with cable (15), and external electrode (1) other end is provided with water inlet (5), a side is provided with water delivering orifice (8).
2. laboratory according to claim 1 Superpure water machine is with miniature resistance rate sensor, it is characterized in that being provided with in the described cable (15) several electrode wires (20), be set with core sleeve (19) on the electrode wires (20), cable (15) two ends are respectively installed with heat-shrinkable T bush (18).
3. laboratory according to claim 2 Superpure water machine is characterized in that with miniature resistance rate sensor electrode wires (20) is connected on wiring nut (12), wiring nut (21), the temperature electrode (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200720070754XU CN201053958Y (en) | 2007-06-08 | 2007-06-08 | Small sized resistivity sensor for super pure water device for lab |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200720070754XU CN201053958Y (en) | 2007-06-08 | 2007-06-08 | Small sized resistivity sensor for super pure water device for lab |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201053958Y true CN201053958Y (en) | 2008-04-30 |
Family
ID=39393620
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU200720070754XU Expired - Fee Related CN201053958Y (en) | 2007-06-08 | 2007-06-08 | Small sized resistivity sensor for super pure water device for lab |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201053958Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108169570A (en) * | 2018-01-10 | 2018-06-15 | 河北科瑞达仪器科技股份有限公司 | A kind of included flow path stable state detection conductivity gauge |
| CN115468986A (en) * | 2021-06-11 | 2022-12-13 | 无锡迈泰科技有限公司 | Resistivity probe for ultrapure deionized water |
-
2007
- 2007-06-08 CN CNU200720070754XU patent/CN201053958Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108169570A (en) * | 2018-01-10 | 2018-06-15 | 河北科瑞达仪器科技股份有限公司 | A kind of included flow path stable state detection conductivity gauge |
| CN108169570B (en) * | 2018-01-10 | 2023-12-22 | 河北科瑞达仪器科技股份有限公司 | Steady state detection conductivity meter with flow path |
| CN115468986A (en) * | 2021-06-11 | 2022-12-13 | 无锡迈泰科技有限公司 | Resistivity probe for ultrapure deionized water |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US7057400B2 (en) | Fluid conductivity measuring cell | |
| CN100498198C (en) | Coaxial component center deviation measuring apparatus | |
| CN201053958Y (en) | Small sized resistivity sensor for super pure water device for lab | |
| CN108519420B (en) | A kind of dissolved oxygen electrode, preparation method, dissolved oxygen probe and dissolved oxygen instrument | |
| CN2852125Y (en) | Ultra-small integrated conductivity cell device | |
| CN112304396A (en) | Micro flow calibration system | |
| CN112798172A (en) | Multifunctional sensor | |
| CN106338357B (en) | Inverse U-shaped tube differential pressure gauge and method | |
| CN211783642U (en) | Differential pressure flowmeter based on MEMS pressure sensor | |
| CN211477502U (en) | Adaptive assembly for calibrating pressure gauge | |
| CN203117073U (en) | Portable fast and accurate ore pulp density measurement instrument | |
| Garske et al. | An inexpensive flow‐through cell and measurement system for monitoring selected chemical parameters in ground water | |
| CN105891426A (en) | Industry and environment-protection pH measuring device | |
| CN102798444B (en) | High-pressure water injection meter detecting device | |
| CN206378174U (en) | Measuring tool | |
| CN110514867B (en) | Differential pressure integrated device applied to differential pressure speed measurement for ship | |
| CN206348217U (en) | A kind of tensile test specimen scale distance measurement apparatus | |
| CN207318451U (en) | The gas sensor calibration frock that supper-fast can be taken a breath completely | |
| CN212083178U (en) | Water meter measuring tank with double sample tanks | |
| CN212585791U (en) | High-precision detection sensor | |
| CN111289030A (en) | Capacitive sensor stability testing device | |
| CN201464407U (en) | Anticorrosive washable conductivity cell device | |
| CN103336040A (en) | High-precision self-potential measuring device | |
| CN204882359U (en) | Quick on -line measuring device of pH value based on absorption spectrum | |
| CN214150542U (en) | PH detector |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080430 Termination date: 20120608 |