JPS5811863A - 渦電流式測定装置 - Google Patents
渦電流式測定装置Info
- Publication number
- JPS5811863A JPS5811863A JP11033881A JP11033881A JPS5811863A JP S5811863 A JPS5811863 A JP S5811863A JP 11033881 A JP11033881 A JP 11033881A JP 11033881 A JP11033881 A JP 11033881A JP S5811863 A JPS5811863 A JP S5811863A
- Authority
- JP
- Japan
- Prior art keywords
- search coil
- detection part
- guide tube
- impedance
- self
- 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.)
- Granted
Links
- 238000001514 detection method Methods 0.000 claims abstract description 37
- 239000012530 fluid Substances 0.000 claims description 8
- 238000011144 upstream manufacturing Methods 0.000 claims description 2
- 230000007423 decrease Effects 0.000 abstract description 3
- 238000003780 insertion Methods 0.000 abstract description 3
- 230000037431 insertion Effects 0.000 abstract description 3
- 230000005284 excitation Effects 0.000 description 10
- 238000010586 diagram Methods 0.000 description 7
- 238000005259 measurement Methods 0.000 description 7
- 239000000463 material Substances 0.000 description 5
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 229910052708 sodium Inorganic materials 0.000 description 4
- 239000011734 sodium Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000004907 flux Effects 0.000 description 3
- 230000001771 impaired effect Effects 0.000 description 2
- 239000000696 magnetic material Substances 0.000 description 2
- 229910000809 Alumel Inorganic materials 0.000 description 1
- 230000005856 abnormality Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 210000004709 eyebrow Anatomy 0.000 description 1
- 229910001338 liquidmetal Inorganic materials 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
- G01D5/12—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means
- G01D5/14—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage
- G01D5/20—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying inductance, e.g. by a movable armature
- G01D5/2006—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying inductance, e.g. by a movable armature by influencing the self-induction of one or more coils
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Volume Flow (AREA)
- Measuring Temperature Or Quantity Of Heat (AREA)
- Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11033881A JPS5811863A (ja) | 1981-07-15 | 1981-07-15 | 渦電流式測定装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11033881A JPS5811863A (ja) | 1981-07-15 | 1981-07-15 | 渦電流式測定装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5811863A true JPS5811863A (ja) | 1983-01-22 |
| JPH0124267B2 JPH0124267B2 (enrdf_load_stackoverflow) | 1989-05-10 |
Family
ID=14533217
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11033881A Granted JPS5811863A (ja) | 1981-07-15 | 1981-07-15 | 渦電流式測定装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5811863A (enrdf_load_stackoverflow) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5431785A (en) * | 1977-08-15 | 1979-03-08 | Yokogawa Hokushin Electric Corp | Eddy current type current meter |
-
1981
- 1981-07-15 JP JP11033881A patent/JPS5811863A/ja active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5431785A (en) * | 1977-08-15 | 1979-03-08 | Yokogawa Hokushin Electric Corp | Eddy current type current meter |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0124267B2 (enrdf_load_stackoverflow) | 1989-05-10 |
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