Title:
【発明の名称】圧力変換器のライン圧補償装置
Document Type and Number:
Japanese Patent JP3190337
Kind Code:
B2
Abstract:
In a two wire transmitter, a capacitive sensor senses differential pressure and provides a differential pressure signal based on the differential pressure sensed. The differential pressure signal varies with variations in static pressure. A capacitive compensator has a capacitive value substantially unaffected by variations in static pressure, and is coupled to the capacitive sensor to compensate the differential pressure signal for variations due to variations in the static pressure.
Inventors:
Flick, Roger F.
Application Number:
JP50824892A
Publication Date:
July 23, 2001
Filing Date:
March 02, 1992
Export Citation:
Assignee:
Rosemount Incorporated
International Classes:
G01L9/12; G01L13/06; G01L19/04; (IPC1-7): G01L13/06
Domestic Patent References:
| JP61251714A | ||||
| JP2263133A | ||||
| JP56141512A | ||||
| JP62182619A | ||||
| JP493734A | ||||
| JP60128321A |
Attorney, Agent or Firm:
Michito Hiraki (1 person outside)