PL109785B1 - Apparatus for determining composition of materials by means of high frequency measuring systems - Google Patents
Apparatus for determining composition of materials by means of high frequency measuring systems Download PDFInfo
- Publication number
- PL109785B1 PL109785B1 PL19842577A PL19842577A PL109785B1 PL 109785 B1 PL109785 B1 PL 109785B1 PL 19842577 A PL19842577 A PL 19842577A PL 19842577 A PL19842577 A PL 19842577A PL 109785 B1 PL109785 B1 PL 109785B1
- Authority
- PL
- Poland
- Prior art keywords
- signal processing
- sensor
- input
- output
- frequency
- Prior art date
Links
- 239000000463 material Substances 0.000 title claims description 35
- 238000012545 processing Methods 0.000 claims description 43
- 238000012937 correction Methods 0.000 claims description 14
- 239000003381 stabilizer Substances 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 7
- 238000005070 sampling Methods 0.000 claims description 6
- 238000005259 measurement Methods 0.000 description 19
- 230000035945 sensitivity Effects 0.000 description 4
- 238000013461 design Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000000087 stabilizing effect Effects 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
- G01D3/00—Indicating or recording apparatus with provision for the special purposes referred to in the subgroups
-
- 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
- G01N27/22—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating capacitance
- G01N27/223—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating capacitance for determining moisture content, e.g. humidity
Landscapes
- General Physics & Mathematics (AREA)
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| HU77MU580A HU174359B (hu) | 1977-02-15 | 1977-02-15 | Apparat dlja opredelenija sostava materiala - prezhde vsego vlazhnosti - vysokochastotnom metodom |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| PL198425A1 PL198425A1 (pl) | 1978-08-28 |
| PL109785B1 true PL109785B1 (en) | 1980-06-30 |
Family
ID=10999747
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PL19842577A PL109785B1 (en) | 1977-02-15 | 1977-05-26 | Apparatus for determining composition of materials by means of high frequency measuring systems |
Country Status (5)
| Country | Link |
|---|---|
| CH (1) | CH616238A5 (de) |
| DD (1) | DD130077A5 (de) |
| DE (1) | DE2719039A1 (de) |
| HU (1) | HU174359B (de) |
| PL (1) | PL109785B1 (de) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1983003139A1 (en) * | 1982-03-08 | 1983-09-15 | Ward, Barry, Kendric | Humidity measuring apparatus |
| DE3920787A1 (de) * | 1989-06-24 | 1991-01-10 | Kernforschungsz Karlsruhe | Verfahren und eine vorrichtung zur messung des volumentrischen wasseranteils mineralischer und/oder organischer gemische |
-
1977
- 1977-02-15 HU HU77MU580A patent/HU174359B/hu not_active IP Right Cessation
- 1977-04-22 CH CH500077A patent/CH616238A5/de not_active IP Right Cessation
- 1977-04-28 DE DE19772719039 patent/DE2719039A1/de not_active Withdrawn
- 1977-05-26 PL PL19842577A patent/PL109785B1/pl unknown
- 1977-06-02 DD DD19926277A patent/DD130077A5/de not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| CH616238A5 (en) | 1980-03-14 |
| DE2719039A1 (de) | 1978-08-17 |
| HU174359B (hu) | 1979-12-28 |
| PL198425A1 (pl) | 1978-08-28 |
| DD130077A5 (de) | 1978-03-01 |
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