JPS5499485A - Gas analyzer - Google Patents
Gas analyzerInfo
- Publication number
- JPS5499485A JPS5499485A JP517878A JP517878A JPS5499485A JP S5499485 A JPS5499485 A JP S5499485A JP 517878 A JP517878 A JP 517878A JP 517878 A JP517878 A JP 517878A JP S5499485 A JPS5499485 A JP S5499485A
- Authority
- JP
- Japan
- Prior art keywords
- temperature
- heating
- measuring cell
- reactor
- dew point
- 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
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
- G01N21/251—Colorimeters; Construction thereof
Landscapes
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Abstract
PURPOSE:To eliminate defects of error due to temperature dependence and clouding due to dewing easily, by providing a heating apparatus to maintain the ambient temperature of the measuring cell above the specimen temperature at the inlet of the analytical meter constantly to keep alwats beyond the dew point of the sample gas. CONSTITUTION:In order to keep constant the ambient temperature in a heat insulation case 12, a fan 11 is provided at the air intake port, and also a hot air blow-out port 13 is disposed. A measuring cell 10 having a heating reactor 9 and a photoelectric transducer 15 is installed in the case 12. The heating temperature of the reactor 9 varies with the kind of the catalyst used. The reactor vessel is made from Pyrex or the like, and resistance heating element is wound around the vessel to heat. At this time, the lower limit of the heating temperature of the measuring cell 10 and the photoelectric transducer 15 should be higher than the dew point of the gas sample, whereas the upper limit is determined by the heat resisting temperature of the transducer 15. It is, however, preferable to use at a lowest possible temperature. By heating the measuring cell 10 to a constant temperature by some heating source, defectless analysis may be possible.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP517878A JPS5499485A (en) | 1978-01-23 | 1978-01-23 | Gas analyzer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP517878A JPS5499485A (en) | 1978-01-23 | 1978-01-23 | Gas analyzer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5499485A true JPS5499485A (en) | 1979-08-06 |
Family
ID=11603974
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP517878A Pending JPS5499485A (en) | 1978-01-23 | 1978-01-23 | Gas analyzer |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5499485A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63274843A (en) * | 1987-05-01 | 1988-11-11 | Japan Spectroscopic Co | Temperature control method for differential refractometer |
| JP2022537230A (en) * | 2018-08-09 | 2022-08-25 | ケイリクス，インコーポレイテッド | Gas sampling with controlled humidity |
-
1978
- 1978-01-23 JP JP517878A patent/JPS5499485A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63274843A (en) * | 1987-05-01 | 1988-11-11 | Japan Spectroscopic Co | Temperature control method for differential refractometer |
| JP2022537230A (en) * | 2018-08-09 | 2022-08-25 | ケイリクス，インコーポレイテッド | Gas sampling with controlled humidity |
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