FR2619445B1 - LEVEL DETECTION DEVICE FOR TRANSLUCENT WALL LEVEL TUBE - Google Patents
LEVEL DETECTION DEVICE FOR TRANSLUCENT WALL LEVEL TUBEInfo
- Publication number
- FR2619445B1 FR2619445B1 FR8711371A FR8711371A FR2619445B1 FR 2619445 B1 FR2619445 B1 FR 2619445B1 FR 8711371 A FR8711371 A FR 8711371A FR 8711371 A FR8711371 A FR 8711371A FR 2619445 B1 FR2619445 B1 FR 2619445B1
- Authority
- FR
- France
- Prior art keywords
- level
- detection device
- translucent wall
- tube
- level detection
- 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
- 238000001514 detection method Methods 0.000 title 1
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
- G01F23/28—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 the variations of parameters of electromagnetic or acoustic waves applied directly to the liquid or fluent solid material
- G01F23/284—Electromagnetic waves
- G01F23/292—Light, e.g. infrared or ultraviolet
- G01F23/2921—Light, e.g. infrared or ultraviolet for discrete levels
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8711371A FR2619445B1 (en) | 1987-08-10 | 1987-08-10 | LEVEL DETECTION DEVICE FOR TRANSLUCENT WALL LEVEL TUBE |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8711371A FR2619445B1 (en) | 1987-08-10 | 1987-08-10 | LEVEL DETECTION DEVICE FOR TRANSLUCENT WALL LEVEL TUBE |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2619445A1 FR2619445A1 (en) | 1989-02-17 |
FR2619445B1 true FR2619445B1 (en) | 1992-04-03 |
Family
ID=9354065
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR8711371A Expired - Fee Related FR2619445B1 (en) | 1987-08-10 | 1987-08-10 | LEVEL DETECTION DEVICE FOR TRANSLUCENT WALL LEVEL TUBE |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2619445B1 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2212262B (en) * | 1987-11-09 | 1992-07-22 | Solinst Canada Ltd | Liquid level detector |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1119532B (en) * | 1958-05-30 | 1961-12-14 | Helmut Schulz | Method and device for level measurement in glass tubes using a photo cell |
GB1359161A (en) * | 1971-02-10 | 1974-07-10 | Jobling & Co James A | Liquid level detecting apparatus |
DE2818264A1 (en) * | 1977-04-29 | 1978-11-16 | Temelec Ag Stans | Monitor for continuous fluid flow through transparent tube - uses light detectors and differential amplifier flow disturbance detector |
US4354180A (en) * | 1980-12-19 | 1982-10-12 | Genelco, Inc. | Electro-optical liquid level sensor |
US4631529A (en) * | 1984-10-17 | 1986-12-23 | Ivek Corporation | Electro-optical fluid detector |
IT206473Z2 (en) * | 1985-12-20 | 1987-08-10 | Hospal Dasco Spa | SENSOR DEVICE FOR THE PRESENCE OF A LIQUID INSIDE A DUCT |
-
1987
- 1987-08-10 FR FR8711371A patent/FR2619445B1/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
FR2619445A1 (en) | 1989-02-17 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
CD | Change of name or company name | ||
ST | Notification of lapse |