GB2218213B - Remotely calabratable instrument system and method of operation thereof - Google Patents
Remotely calabratable instrument system and method of operation thereofInfo
- Publication number
- GB2218213B GB2218213B GB8910904A GB8910904A GB2218213B GB 2218213 B GB2218213 B GB 2218213B GB 8910904 A GB8910904 A GB 8910904A GB 8910904 A GB8910904 A GB 8910904A GB 2218213 B GB2218213 B GB 2218213B
- Authority
- GB
- United Kingdom
- Prior art keywords
- calabratable
- remotely
- instrument system
- instrument
- remotely calabratable
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
- G01F23/22—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
- G01F23/26—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring variations of capacity or inductance of capacitors or inductors arising from the presence of liquid or fluent solid material in the electric or electromagnetic fields
- G01F23/261—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring variations of capacity or inductance of capacitors or inductors arising from the presence of liquid or fluent solid material in the electric or electromagnetic fields for discrete levels
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D18/00—Testing or calibrating apparatus or arrangements provided for in groups G01D1/00 - G01D15/00
-
- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C19/00—Electric signal transmission systems
- G08C19/02—Electric signal transmission systems in which the signal transmitted is magnitude of current or voltage
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Electromagnetism (AREA)
- Power Engineering (AREA)
- Thermal Sciences (AREA)
- Fluid Mechanics (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/791,319 US4723122A (en) | 1985-10-25 | 1985-10-25 | Remotely calibratable instrument system |
GB8625404A GB2184241B (en) | 1985-10-25 | 1986-10-23 | Remotely calibratable instrument system |
Publications (3)
Publication Number | Publication Date |
---|---|
GB8910904D0 GB8910904D0 (en) | 1989-06-28 |
GB2218213A GB2218213A (en) | 1989-11-08 |
GB2218213B true GB2218213B (en) | 1990-07-04 |
Family
ID=26291448
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB8910904A Expired - Fee Related GB2218213B (en) | 1985-10-25 | 1989-05-12 | Remotely calabratable instrument system and method of operation thereof |
GB8910905A Expired - Fee Related GB2218214B (en) | 1985-10-25 | 1989-05-12 | Admittance-responsive instrument system |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB8910905A Expired - Fee Related GB2218214B (en) | 1985-10-25 | 1989-05-12 | Admittance-responsive instrument system |
Country Status (1)
Country | Link |
---|---|
GB (2) | GB2218213B (en) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4024402C1 (en) * | 1990-08-01 | 1991-10-31 | Dr.Ing.H.C. F. Porsche Ag, 7000 Stuttgart, De | |
US5710552A (en) * | 1994-09-30 | 1998-01-20 | Rosemount Inc. | Barrier device |
EP0790489B1 (en) * | 1996-02-16 | 2000-05-17 | Dr. Johannes Heidenhain GmbH | Apparatus and method for switching between different operating characteristics of a sensor device |
NZ334610A (en) | 1997-07-14 | 2000-10-27 | Matsushita Electric Industrial Co Ltd | Automatic compensation sensor, controller compensates output signal from signal output terminal |
DE19825159A1 (en) | 1998-06-05 | 1999-12-09 | Bosch Gmbh Robert | Electronic switch |
EP1098174B1 (en) | 1999-11-05 | 2007-06-13 | Micronas GmbH | Programmable sensor |
CN105606179A (en) * | 2015-12-17 | 2016-05-25 | 上海科勒电子科技有限公司 | Water tank water level detection method and system |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2441832A1 (en) * | 1974-08-31 | 1976-03-11 | Hauni Werke Koerber & Co Kg | PROCEDURE AND ARRANGEMENT FOR CAPACITIVE TESTING OF TOBACCO DENSITY IN THE ENDS OF ROD-SHAPED ARTICLES OF THE TOBACCO PROCESSING INDUSTRY |
AU571446B2 (en) * | 1982-08-25 | 1988-04-21 | Venture Measurement Company Llc | Self calibrating capacitance level sensor |
-
1989
- 1989-05-12 GB GB8910904A patent/GB2218213B/en not_active Expired - Fee Related
- 1989-05-12 GB GB8910905A patent/GB2218214B/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
GB2218213A (en) | 1989-11-08 |
GB2218214A (en) | 1989-11-08 |
GB8910904D0 (en) | 1989-06-28 |
GB8910905D0 (en) | 1989-06-28 |
GB2218214B (en) | 1990-07-04 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 20001023 |