Device and method for carrying out a contactless measurement of the conductivity of a liquid situated in a flow channel
US6653841B1 · kind B1 · utility
79Cited by
14References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 28, 2000 |
| Grant date | Nov 25, 2003 |
| Priority date | — |
| Expiry date | Jun 28, 2020 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N27/023
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
The invention relates to a device and method for carrying out a contactless measurement of the conductivity of a liquid situated in a flow channel, and to the use of said device and method. According to the invention, the invention provides that a toroidal coil is precisely arranged around the flow channel. Said toroidal coil is interconnected with a capacitor to an oscillating circuit. The invention also provides that the electric characteristics of this circuit are then measured according to the conductivity which is sought after.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.