Air sampling system providing compound discrimination via comparative PID approach
US9651531B2 · kind B2 · utility
5Cited by
31References
14Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 28, 2013 |
| Grant date | May 16, 2017 |
| Priority date | — |
| Expiry date | Oct 22, 2035 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02B30/70
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
Methods and apparatus for providing an air sampling system with first and second PID sensors to discriminate ammonia measurements. In one embodiment, air samples are taken from a vivarium environment to determine ammonia levels for controlling air flow to the vivarium.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.