Method and apparatus for gas detector calibration
US4489590A · kind A · utility
36Cited by
4References
8Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jan 25, 1982 |
| Grant date | Dec 25, 1984 |
| Priority date | — |
| Expiry date | Jan 25, 2002 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N33/0006
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
Methods and apparatus for applying calibrating gas to a combustible gas sensor, in which a calibration enclosure is formed mechanically upon application of pressurized calibration gas.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.