GB1544818A - Gas measuring apparatus and methods - Google Patents
Gas measuring apparatus and methodsInfo
- Publication number
- GB1544818A GB1544818A GB5472/76A GB547276A GB1544818A GB 1544818 A GB1544818 A GB 1544818A GB 5472/76 A GB5472/76 A GB 5472/76A GB 547276 A GB547276 A GB 547276A GB 1544818 A GB1544818 A GB 1544818A
- Authority
- GB
- United Kingdom
- Prior art keywords
- methods
- measuring apparatus
- gas measuring
- gas
- measuring
- 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
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P5/00—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft
- G01P5/10—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft by measuring thermal variables
- G01P5/12—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft by measuring thermal variables using variation of resistance of a heated conductor
-
- 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
Landscapes
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Electrochemistry (AREA)
- Aviation & Aerospace Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (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 |
---|---|---|---|
DE2505669A DE2505669B2 (de) | 1975-02-11 | 1975-02-11 | Verfahren und Gasanalysator zur Messung der Wärmeleitfähigkeit eines Gasgemisches |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1544818A true GB1544818A (en) | 1979-04-25 |
Family
ID=5938587
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB5472/76A Expired GB1544818A (en) | 1975-02-11 | 1976-02-11 | Gas measuring apparatus and methods |
Country Status (6)
Country | Link |
---|---|
DE (1) | DE2505669B2 (da) |
DK (1) | DK255875A (da) |
FR (1) | FR2301007A1 (da) |
GB (1) | GB1544818A (da) |
NL (1) | NL7506344A (da) |
SE (1) | SE426990B (da) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8771598B2 (en) | 2009-01-02 | 2014-07-08 | Sensirion Ag | Ammonia storage system |
US9341499B2 (en) | 2010-06-04 | 2016-05-17 | Sensirion Ag | Sensor system |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4849636A (en) * | 1988-05-18 | 1989-07-18 | Mine Safety Appliances Company | Analyzer with compensation |
DE102005000964B3 (de) * | 2005-01-07 | 2006-07-06 | Dräger Medical AG & Co. KG | Vorrichtung und Verfahren zur Messung einer Volumenstromdifferenz |
EP3301441B1 (de) * | 2016-09-30 | 2018-11-07 | Siemens Aktiengesellschaft | Wärmeleitfähigkeitsdetektor für gasgemische mit mindestens drei komponenten |
-
1975
- 1975-02-11 DE DE2505669A patent/DE2505669B2/de active Granted
- 1975-05-29 NL NL7506344A patent/NL7506344A/xx not_active Application Discontinuation
- 1975-06-06 DK DK255875A patent/DK255875A/da unknown
- 1975-07-21 FR FR7522657A patent/FR2301007A1/fr active Granted
- 1975-10-01 SE SE7511016A patent/SE426990B/xx not_active IP Right Cessation
-
1976
- 1976-02-11 GB GB5472/76A patent/GB1544818A/en not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8771598B2 (en) | 2009-01-02 | 2014-07-08 | Sensirion Ag | Ammonia storage system |
US9341499B2 (en) | 2010-06-04 | 2016-05-17 | Sensirion Ag | Sensor system |
Also Published As
Publication number | Publication date |
---|---|
FR2301007B1 (da) | 1980-01-25 |
NL7506344A (nl) | 1976-08-13 |
SE7511016L (sv) | 1976-08-12 |
DE2505669C3 (da) | 1979-08-02 |
FR2301007A1 (fr) | 1976-09-10 |
DE2505669A1 (de) | 1976-09-02 |
SE426990B (sv) | 1983-02-21 |
DK255875A (da) | 1976-08-12 |
DE2505669B2 (de) | 1978-11-23 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JPS51136574A (en) | Gas scrubbing method and apparatus | |
JPS5213412A (en) | Method and apparatus for gas charging | |
GB1540268A (en) | Engine test and display apparatus | |
JPS527801A (en) | Method and device for testing well | |
GB1542123A (en) | Testing apparatus | |
JPS51113660A (en) | Method and apparatus for measuring particles | |
JPS51122464A (en) | Measuring apparatus | |
JPS5285073A (en) | Gas separation method and apparatus | |
GB1548682A (en) | Device for making iphthalmic measurements and method | |
GB1546667A (en) | Group delay measurement apparatus and method | |
JPS5246891A (en) | Analysis method and apparatus | |
GB1551934A (en) | Frigeration methods and apparatus | |
JPS5233764A (en) | Method and apparatus for measuring flow | |
JPS524166A (en) | Testing apparatus | |
JPS5273061A (en) | Method of and apparatus for measuring distance | |
JPS51126167A (en) | Apparatus for receiving and visualizing touch | |
JPS52153790A (en) | Gas concentration measuring apparatus | |
JPS525558A (en) | Apparatus for measuring and setting angle | |
PH12221A (en) | Micro-gasometric method and apparatus | |
GB1548976A (en) | Dew point measuring apparatus | |
JPS5250750A (en) | Method of and apparatus for measuring parts dimensions | |
JPS5240649A (en) | Falseetwisting method and apparatus | |
GB1544818A (en) | Gas measuring apparatus and methods | |
JPS51118490A (en) | Method and apparatus for so2 measurements | |
JPS5319670A (en) | Measuring and adding apparatus |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed [section 19, patents act 1949] | ||
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 19930211 |