Calibration systems
US5616822A · kind A · utility
4Cited by
8References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 8, 1995 |
| Grant date | Apr 1, 1997 |
| Priority date | — |
| Expiry date | Jun 8, 2015 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N33/0026
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A calibration system includes an air system having a blower unit (10), a flow meter (16) and means (15) for controlling an airflow through a mixing manifold (17) to which a metered amount of a test gas can be added from either a mass flow controller (19) or a syringe drive unit (21).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.