SE8902486D0 - SETTING AND DEVICE TO REGISTER THE STATE OF A MOVEMENT SUSPENSION - Google Patents
SETTING AND DEVICE TO REGISTER THE STATE OF A MOVEMENT SUSPENSIONInfo
- Publication number
- SE8902486D0 SE8902486D0 SE8902486A SE8902486A SE8902486D0 SE 8902486 D0 SE8902486 D0 SE 8902486D0 SE 8902486 A SE8902486 A SE 8902486A SE 8902486 A SE8902486 A SE 8902486A SE 8902486 D0 SE8902486 D0 SE 8902486D0
- Authority
- SE
- Sweden
- Prior art keywords
- suspension
- light
- detected
- holding circuit
- electrical signal
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/85—Investigating moving fluids or granular solids
Landscapes
- General Health & Medical Sciences (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Length Measuring Devices By Optical Means (AREA)
- Vehicle Body Suspensions (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Abstract
The invention concerns a method and arrangement for recording the condition of a suspension in motion, which suspension can contain fractions with particles of very different sizes. The suspension is illuminated by a beam of light. Light received from the suspension is detected in order to produce an electrical signal corresponding to the detected light intensity. The illumination of the suspension is carried out with a narrow beam of light in relation to the space between large particles. Light received from the suspension is detected within a narrow angular area. An extreme value Vp of the electrical signal is indicated within a previously determined interval of time. Within each interval of time the extreme value forms the reference value for calculating pre-selected characteristics of the suspension. <IMAGE> Key: 1 = Light source 2 = Detector 15 = Filter AC 4 = Filter DC 5 = Peak detector 6 = Timing device 13 = Holding circuit 7 = Holding circuit 17 = Holding circuit 11 = Input 8 = Control and calculation unit 9 = Indication unit 1 10 = Indication unit 2 14 = Alarm
Priority Applications (12)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE8902486A SE464836B (en) | 1989-07-10 | 1989-07-10 | Method and arrangement for recording the condition of a suspension in motion |
CA002062757A CA2062757C (en) | 1989-07-10 | 1990-04-02 | Measuring apparatus and method |
US07/807,851 US5245200A (en) | 1989-07-10 | 1990-04-02 | Apparatus and method for preventing blockage of a measuring head for effecting measurements of suspended substances |
DE69012837T DE69012837T2 (en) | 1989-07-10 | 1990-04-02 | MEASURING DEVICE. |
EP93116040A EP0582320B1 (en) | 1989-07-10 | 1990-04-02 | Measuring apparatus and method |
PCT/SE1990/000212 WO1991000993A1 (en) | 1989-07-10 | 1990-04-02 | Measuring apparatus and method |
JP2506382A JP2823136B2 (en) | 1989-07-10 | 1990-04-02 | Measuring head |
EP90906417A EP0534951B1 (en) | 1989-07-10 | 1990-04-02 | Measuring apparatus |
DE69033872T DE69033872T2 (en) | 1989-07-10 | 1990-04-02 | Measuring device and method |
FI920101A FI104217B (en) | 1989-07-10 | 1992-01-09 | Measuring device |
JP00340696A JP3192364B2 (en) | 1989-07-10 | 1996-01-11 | Method and apparatus for recording the state of a moving suspension |
FI973553A FI106890B (en) | 1989-07-10 | 1997-08-29 | Measuring method |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE8902486A SE464836B (en) | 1989-07-10 | 1989-07-10 | Method and arrangement for recording the condition of a suspension in motion |
Publications (3)
Publication Number | Publication Date |
---|---|
SE8902486D0 true SE8902486D0 (en) | 1989-07-10 |
SE8902486L SE8902486L (en) | 1991-01-11 |
SE464836B SE464836B (en) | 1991-06-17 |
Family
ID=20376527
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE8902486A SE464836B (en) | 1989-07-10 | 1989-07-10 | Method and arrangement for recording the condition of a suspension in motion |
Country Status (1)
Country | Link |
---|---|
SE (1) | SE464836B (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE537725C2 (en) | 2013-04-02 | 2015-10-06 | Btg Instr Ab | Method for determining properties of heterogeneous media |
-
1989
- 1989-07-10 SE SE8902486A patent/SE464836B/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
SE8902486L (en) | 1991-01-11 |
SE464836B (en) | 1991-06-17 |
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Legal Events
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