FR2402329A1 - Appareil detecteur et de mesure de gaz - Google Patents
Appareil detecteur et de mesure de gazInfo
- Publication number
- FR2402329A1 FR2402329A1 FR7824240A FR7824240A FR2402329A1 FR 2402329 A1 FR2402329 A1 FR 2402329A1 FR 7824240 A FR7824240 A FR 7824240A FR 7824240 A FR7824240 A FR 7824240A FR 2402329 A1 FR2402329 A1 FR 2402329A1
- Authority
- FR
- France
- Prior art keywords
- power supply
- supply unit
- housing
- frame
- gas detector
- 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.)
- Withdrawn
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
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- General Health & Medical Sciences (AREA)
- Pathology (AREA)
- Immunology (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Biochemistry (AREA)
- General Physics & Mathematics (AREA)
- Combustion & Propulsion (AREA)
- Medicinal Chemistry (AREA)
- Food Science & Technology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Emergency Alarm Devices (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19772740159 DE2740159A1 (de) | 1977-09-02 | 1977-09-02 | Gasmessgeraet |
Publications (1)
Publication Number | Publication Date |
---|---|
FR2402329A1 true FR2402329A1 (fr) | 1979-03-30 |
Family
ID=6018259
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7824240A Withdrawn FR2402329A1 (fr) | 1977-09-02 | 1978-08-21 | Appareil detecteur et de mesure de gaz |
Country Status (3)
Country | Link |
---|---|
DE (1) | DE2740159A1 (de) |
FR (1) | FR2402329A1 (de) |
GB (1) | GB2005420B (de) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58106427A (ja) * | 1981-12-18 | 1983-06-24 | Terumo Corp | 電子体温計 |
DE102012013656C5 (de) * | 2012-07-10 | 2019-08-01 | Dräger Safety AG & Co. KGaA | Batteriebetriebenes Gebläsefiltersystem für den Einsatz in explosionsgefährdeten Bereichen |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1355580A (fr) * | 1962-12-28 | 1964-03-20 | Charbonnages De France | Appareil de prélèvement et de dosage de gaz dans l'air |
FR1427765A (fr) * | 1964-11-27 | 1966-02-11 | Avon Electrical Heanor Ltd | Perfectionnements aux appareillages électriques de commande ou de signalisation et interrupteurs électriques pour ces appareillages |
DE1498785A1 (de) * | 1964-02-05 | 1969-05-08 | Huebner Dipl Ing Rolf | Tragbares Messgeraet fuer die Erfassung von Gasen in Untertagebetrieben |
GB1459704A (en) * | 1975-03-27 | 1976-12-31 | Gas Measurement Instr Ltd | Gas detection apparatus |
-
1977
- 1977-09-02 DE DE19772740159 patent/DE2740159A1/de not_active Withdrawn
-
1978
- 1978-08-21 FR FR7824240A patent/FR2402329A1/fr not_active Withdrawn
- 1978-09-04 GB GB7835503A patent/GB2005420B/en not_active Expired
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1355580A (fr) * | 1962-12-28 | 1964-03-20 | Charbonnages De France | Appareil de prélèvement et de dosage de gaz dans l'air |
DE1498785A1 (de) * | 1964-02-05 | 1969-05-08 | Huebner Dipl Ing Rolf | Tragbares Messgeraet fuer die Erfassung von Gasen in Untertagebetrieben |
FR1427765A (fr) * | 1964-11-27 | 1966-02-11 | Avon Electrical Heanor Ltd | Perfectionnements aux appareillages électriques de commande ou de signalisation et interrupteurs électriques pour ces appareillages |
GB1459704A (en) * | 1975-03-27 | 1976-12-31 | Gas Measurement Instr Ltd | Gas detection apparatus |
Also Published As
Publication number | Publication date |
---|---|
DE2740159A1 (de) | 1979-03-15 |
GB2005420B (en) | 1982-03-24 |
GB2005420A (en) | 1979-04-19 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |