Published November 2, 1978
| Version v1
Patent
Open
Aerosol detector
Description
The aerosol detector of the ionization chamber type (fire or smoke detector) has got a testing device for simulation of an aerosol, which is necessary especially for battery-powered instruments. The instrument essentially consists of a chamber with two electrodes, a radioactive source, as well as analyzing electronics. Simulation can be performed by means of a damping device which, in the form of a flat spring, is manually brought into the radiation path from outside the chamber. By this means there is achieved an attenuation of the radiation resp. of the ionizing current between the electrodes. The attenuation may be increased until an alarm signal is given. (DG)
Availability note (English)
MF available from INIS under the Report Number.Abstract (German)
Der Aerosol-Detektor vom Ionisationskammertyp (Feuer- oder Rauchdetektor) besitzt eine Testeinrichtung zur Simulation eines Aerosols, was insbesondere bei batteriebetriebenen Geraeten notwendig ist. Das Geraet besteht im wesentlichen aus einer Kammer mit zwei Elektroden, einer radioaktiven Strahlenquelle sowie einer Auswerteelektronik. Die Simulation kann mittels einer Daempfungseinrichtung durchgefuehrt werden, die in Form einer Blattfeder manuell von ausserhalb der Kammer in den Strahlenweg gebracht wird. Hierdurch erfolgt eine Schwaechung der Strahlung bzw. des Ionisationsstromes zwischen den Elektroden. Die Schwaechung kann bis zur Ausloesung eines Alarmsignals verstaerkt werden. (DG)Files
10482880.pdf
Files
(567.8 kB)
| Name | Size | Download all |
|---|---|---|
|
md5:e479c678046723d5dffc102a768dde7f
|
567.8 kB | Preview Download |
Additional details
Additional titles
- Original title (German)
- Aerosol-Detektor
Publishing Information
- Imprint Pagination
- 16 p.
- IPC:
- Int. Cl. G01N X; G01N 27/66.
- IPC
- Int. Cl. G01N X; G01N 27/66.
- Patent number
- DE patent document 2815231/A/
INIS
- Country of Publication
- Germany
- Country of Input or Organization
- Germany
- INIS RN
- 10482880
- Subject category
- S46: INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY;
- Descriptors DEI
- AEROSOL MONITORING; AEROSOLS; IONIZATION CHAMBERS; MEASURING METHODS; RADIATION SOURCES; RADIOISOTOPES; SIMULATION
- Descriptors DEC
- COLLOIDS; DISPERSIONS; ISOTOPES; MEASURING INSTRUMENTS; MONITORING; RADIATION DETECTORS; SOLS