Sensitivity-calibration circuit for an HC analyzer
US4726216A · kind A · utility
2Cited by
6References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 11, 1986 |
| Grant date | Feb 23, 1988 |
| Priority date | — |
| Expiry date | Sep 11, 2006 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N33/0006
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A sensitivity-calibration circuit for an HC analyzer includes a scale factor adjuster for setting a scale factor in the analyzer for determining an n-hexane reduced gas concentration value of propane gas used during sensitivity-calibration of the analyzer and a sensitivity adjuster for adjusting the sensitivity of the analyzer and a switching means for switching the circuit between a first calibration state and a second measurement state.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.