JPH0321768U - - Google Patents
Info
- Publication number
- JPH0321768U JPH0321768U JP1989081897U JP8189789U JPH0321768U JP H0321768 U JPH0321768 U JP H0321768U JP 1989081897 U JP1989081897 U JP 1989081897U JP 8189789 U JP8189789 U JP 8189789U JP H0321768 U JPH0321768 U JP H0321768U
- Authority
- JP
- Japan
- Prior art keywords
- gas
- hydrogen
- concentration
- sample
- sample gas
- 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
- 239000007789 gas Substances 0.000 claims description 13
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 5
- 239000003054 catalyst Substances 0.000 claims description 3
- 238000010790 dilution Methods 0.000 claims 2
- 239000012895 dilution Substances 0.000 claims 2
- 150000002431 hydrogen Chemical class 0.000 claims 1
- 239000001257 hydrogen Substances 0.000 claims 1
- 229910052739 hydrogen Inorganic materials 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 1
Classifications
- 
        - G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
- G01N33/0011—Sample conditioning
- G01N33/0016—Sample conditioning by regulating a physical variable, e.g. pressure or temperature
 
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Food Science & Technology (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title | 
|---|---|---|---|
| JP1989081897U JPH0729494Y2 (ja) | 1989-07-12 | 1989-07-12 | 水素ガス分析装置 | 
| EP90112297A EP0407818B1 (en) | 1989-07-12 | 1990-06-27 | Hydrogen Gas Analyzer | 
| DE69017775T DE69017775T2 (de) | 1989-07-12 | 1990-06-27 | Wasserstoffprüfgerät. | 
| US07/546,043 US5041265A (en) | 1989-07-12 | 1990-06-28 | Hydrogen gas analyzer with improved delivery system | 
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title | 
|---|---|---|---|
| JP1989081897U JPH0729494Y2 (ja) | 1989-07-12 | 1989-07-12 | 水素ガス分析装置 | 
Publications (2)
| Publication Number | Publication Date | 
|---|---|
| JPH0321768U true JPH0321768U (OSRAM) | 1991-03-05 | 
| JPH0729494Y2 JPH0729494Y2 (ja) | 1995-07-05 | 
Family
ID=13759232
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date | 
|---|---|---|---|
| JP1989081897U Expired - Lifetime JPH0729494Y2 (ja) | 1989-07-12 | 1989-07-12 | 水素ガス分析装置 | 
Country Status (4)
| Country | Link | 
|---|---|
| US (1) | US5041265A (OSRAM) | 
| EP (1) | EP0407818B1 (OSRAM) | 
| JP (1) | JPH0729494Y2 (OSRAM) | 
| DE (1) | DE69017775T2 (OSRAM) | 
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title | 
|---|---|---|---|---|
| JP2007135702A (ja) * | 2005-11-15 | 2007-06-07 | Imai:Kk | 遮蔽装置 | 
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title | 
|---|---|---|---|---|
| DE3923737C2 (de) * | 1989-07-18 | 1995-12-14 | Gutmann Messtechnik Ag | Verfahren zum Messen von Abgaswerten bei Kraftfahrzeugen mit geregeltem Drei-Wege-Katalysator und Lambdasonde | 
| JPH0552755U (ja) * | 1991-12-17 | 1993-07-13 | 株式会社堀場製作所 | メタン分析装置 | 
| DE4221692A1 (de) * | 1992-07-02 | 1994-01-05 | Siemens Ag | Verfahren und Vorrichtung zur Ermittlung eines Gemischanteils eines Gasgemisches | 
| DE4407345A1 (de) * | 1994-03-05 | 1995-09-07 | Testo Gmbh & Co | Verfahren und Vorrichtung zum Messen eines Gasmediums mit einem chemischen Sensor | 
| US5663488A (en) * | 1995-05-31 | 1997-09-02 | Hewlett-Packard Co. | Thermal isolation system in an analytical instrument | 
| DE69724294T2 (de) * | 1996-10-22 | 2004-06-03 | Hach Ultra Analytics Geneva Sa | Vorrichtung und verfahren zur brennbarkeitsüberwachung | 
| US5780717A (en) * | 1997-04-23 | 1998-07-14 | Lockheed Martin Energy Research Corporation | In-line real time air monitor | 
| IL125595A (en) * | 1997-08-14 | 2001-08-26 | Praxair Technology Inc | Ultra high purity gas analysis using atmospheric pressure ionization mass spectrometry | 
| JP3615517B2 (ja) * | 1999-07-12 | 2005-02-02 | ユニット・インストゥルメンツ・インコーポレーテッド | 非感圧ガス制御システム | 
| US7533585B2 (en) * | 2006-12-27 | 2009-05-19 | Caterpillar Inc. | Dilution device | 
| US20080168829A1 (en) * | 2007-01-12 | 2008-07-17 | Robert Paez | Diaper soil wetness strip | 
| JP6744205B2 (ja) * | 2016-12-16 | 2020-08-19 | 日本製鉄株式会社 | 元素分析装置及び元素分析方法 | 
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title | 
|---|---|---|---|---|
| US3593023A (en) * | 1968-09-18 | 1971-07-13 | Beckman Instruments Inc | Apparatus and method for exhaust analysis | 
| US3888109A (en) * | 1973-11-16 | 1975-06-10 | Dresser Ind | Gas dilution unit | 
| US4128458A (en) * | 1977-10-25 | 1978-12-05 | Obiaya Joseph O | Combustible element and oxygen concentration sensor | 
| US4622009A (en) * | 1982-03-05 | 1986-11-11 | Leco Corporation | Carbon, hydrogen, and nitrogen analyzer | 
| US4511262A (en) * | 1982-10-06 | 1985-04-16 | Honeywell Inc. | Fuel entrained oxygen compensation for calorific content analyzer | 
| DE3732888A1 (de) * | 1987-09-30 | 1989-04-20 | Messer Griesheim Gmbh | Verfahren zum bestimmen von wasserstoffkonzentrationen | 
- 
        1989
        - 1989-07-12 JP JP1989081897U patent/JPH0729494Y2/ja not_active Expired - Lifetime
 
- 
        1990
        - 1990-06-27 DE DE69017775T patent/DE69017775T2/de not_active Expired - Fee Related
- 1990-06-27 EP EP90112297A patent/EP0407818B1/en not_active Expired - Lifetime
- 1990-06-28 US US07/546,043 patent/US5041265A/en not_active Expired - Fee Related
 
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title | 
|---|---|---|---|---|
| JP2007135702A (ja) * | 2005-11-15 | 2007-06-07 | Imai:Kk | 遮蔽装置 | 
Also Published As
| Publication number | Publication date | 
|---|---|
| US5041265A (en) | 1991-08-20 | 
| DE69017775T2 (de) | 1995-11-09 | 
| EP0407818B1 (en) | 1995-03-15 | 
| DE69017775D1 (de) | 1995-04-20 | 
| JPH0729494Y2 (ja) | 1995-07-05 | 
| EP0407818A1 (en) | 1991-01-16 | 
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