AT255804B - Device for measuring the concentration of flammable gases and vapors - Google Patents
Device for measuring the concentration of flammable gases and vaporsInfo
- Publication number
- AT255804B AT255804B AT884563A AT884563A AT255804B AT 255804 B AT255804 B AT 255804B AT 884563 A AT884563 A AT 884563A AT 884563 A AT884563 A AT 884563A AT 255804 B AT255804 B AT 255804B
- Authority
- AT
- Austria
- Prior art keywords
- vapors
- concentration
- measuring
- flammable gases
- flammable
- Prior art date
Links
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
- G01N27/16—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 burning or catalytic oxidation of surrounding material to be tested, e.g. of gas
-
- 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
-
- 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
- G01N27/62—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating the ionisation of gases, e.g. aerosols; by investigating electric discharges, e.g. emission of cathode
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)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEA41566A DE1296837B (en) | 1962-11-07 | 1962-11-07 | Device for measuring the concentration of methane contained in a gas mixture |
| DEW0033307 | 1962-11-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| AT255804B true AT255804B (en) | 1967-07-25 |
Family
ID=25963823
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT884563A AT255804B (en) | 1962-11-07 | 1963-11-05 | Device for measuring the concentration of flammable gases and vapors |
Country Status (3)
| Country | Link |
|---|---|
| AT (1) | AT255804B (en) |
| DE (1) | DE1296837B (en) |
| GB (1) | GB1069493A (en) |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE858777C (en) * | 1941-07-13 | 1952-12-08 | Basf Ag | Device for gas analysis by measuring the heat conductivity |
| NL236207A (en) * | 1958-02-18 |
-
1962
- 1962-11-07 DE DEA41566A patent/DE1296837B/en active Pending
-
1963
- 1963-11-05 AT AT884563A patent/AT255804B/en active
- 1963-11-06 GB GB43766/63A patent/GB1069493A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB1069493A (en) | 1967-05-17 |
| DE1296837B (en) | 1969-06-04 |
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