DE268896C - - Google Patents
Info
- Publication number
- DE268896C DE268896C DENDAT268896D DE268896DA DE268896C DE 268896 C DE268896 C DE 268896C DE NDAT268896 D DENDAT268896 D DE NDAT268896D DE 268896D A DE268896D A DE 268896DA DE 268896 C DE268896 C DE 268896C
- Authority
- DE
- Germany
- Prior art keywords
- vacuum
- thermocouples
- millivolts
- radiation
- vacuum meter
- 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.)
- Active
Links
- 239000011888 foil Substances 0.000 claims description 3
- 239000011148 porous material Substances 0.000 claims 1
- 230000005855 radiation Effects 0.000 description 7
- 230000017525 heat dissipation Effects 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 2
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 2
- 229910052753 mercury Inorganic materials 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 208000010201 Exanthema Diseases 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 201000005884 exanthem Diseases 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 206010037844 rash Diseases 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L21/00—Vacuum gauges
- G01L21/10—Vacuum gauges by measuring variations in the heat conductivity of the medium, the pressure of which is to be measured
- G01L21/14—Vacuum gauges by measuring variations in the heat conductivity of the medium, the pressure of which is to be measured using thermocouples
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Fluid Pressure (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE268896C true DE268896C (show.php) |
Family
ID=525818
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT268896D Active DE268896C (show.php) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE268896C (show.php) |
-
0
- DE DENDAT268896D patent/DE268896C/de active Active
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