DE1249566B - - Google Patents
Info
- Publication number
- DE1249566B DE1249566B DEH55933A DE1249566DA DE1249566B DE 1249566 B DE1249566 B DE 1249566B DE H55933 A DEH55933 A DE H55933A DE 1249566D A DE1249566D A DE 1249566DA DE 1249566 B DE1249566 B DE 1249566B
- Authority
- DE
- Germany
- Prior art keywords
- bridge
- gas
- temperature
- measuring
- resistors
- 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.)
- Pending
Links
- 238000010438 heat treatment Methods 0.000 claims description 11
- 230000001419 dependent Effects 0.000 claims description 9
- 239000000203 mixture Substances 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 5
- 238000005259 measurement Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 claims description 3
- 238000004868 gas analysis Methods 0.000 claims 2
- 210000001736 Capillaries Anatomy 0.000 claims 1
- 238000001816 cooling Methods 0.000 claims 1
- 239000011521 glass Substances 0.000 claims 1
- 230000004048 modification Effects 0.000 claims 1
- 238000006011 modification reaction Methods 0.000 claims 1
- 238000000926 separation method Methods 0.000 claims 1
- 239000007789 gas Substances 0.000 description 14
- 239000001301 oxygen Substances 0.000 description 2
- MYMOFIZGZYHOMD-UHFFFAOYSA-N oxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 230000001960 triggered Effects 0.000 description 1
Classifications
-
- 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
- G01N27/04—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
- G01N27/14—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of an electrically-heated body in dependence upon change of temperature
- G01N27/18—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of an electrically-heated body in dependence upon change of temperature caused by changes in the thermal conductivity of a surrounding material to be tested
- G01N27/185—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of an electrically-heated body in dependence upon change of temperature caused by changes in the thermal conductivity of a surrounding material to be tested using a catharometer
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
- Investigating Or Analyzing Materials Using Thermal Means (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE1249566B true DE1249566B (it) | 1967-09-07 |
Family
ID=603606
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DEH55933A Pending DE1249566B (it) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE1249566B (it) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2311103A1 (de) * | 1973-03-06 | 1974-09-12 | Helmut Dipl-Chem Ulrich | Einrichtung zur durchflussmessung und/ oder waermeleitfaehigkeitsmessung und/oder messung der spezifischen waerme bzw. zur gasanalyse |
| DE2756859A1 (de) * | 1976-12-20 | 1978-07-06 | Bronson M Potter | Detektor mit waermefuehler |
| US4315210A (en) * | 1980-01-07 | 1982-02-09 | Santek, Inc. | Bridge-balancing system for measuring extremely low currents |
| DE4034962C1 (en) * | 1990-11-02 | 1992-06-04 | Rainer 8027 Neuried De Pippig | Quality control testing procedure for incandescent lamps - subjecting bulb to acceleration and measuring resultant change in resistance of filament |
-
0
- DE DEH55933A patent/DE1249566B/de active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2311103A1 (de) * | 1973-03-06 | 1974-09-12 | Helmut Dipl-Chem Ulrich | Einrichtung zur durchflussmessung und/ oder waermeleitfaehigkeitsmessung und/oder messung der spezifischen waerme bzw. zur gasanalyse |
| DE2756859A1 (de) * | 1976-12-20 | 1978-07-06 | Bronson M Potter | Detektor mit waermefuehler |
| US4315210A (en) * | 1980-01-07 | 1982-02-09 | Santek, Inc. | Bridge-balancing system for measuring extremely low currents |
| DE4034962C1 (en) * | 1990-11-02 | 1992-06-04 | Rainer 8027 Neuried De Pippig | Quality control testing procedure for incandescent lamps - subjecting bulb to acceleration and measuring resultant change in resistance of filament |
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