DE3209231A1 - Volume meter - Google Patents
Volume meterInfo
- Publication number
- DE3209231A1 DE3209231A1 DE19823209231 DE3209231A DE3209231A1 DE 3209231 A1 DE3209231 A1 DE 3209231A1 DE 19823209231 DE19823209231 DE 19823209231 DE 3209231 A DE3209231 A DE 3209231A DE 3209231 A1 DE3209231 A1 DE 3209231A1
- Authority
- DE
- Germany
- Prior art keywords
- volume
- volumeter
- volumetric meter
- pressure sensor
- characterized according
- 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.)
- Withdrawn
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F17/00—Methods or apparatus for determining the capacity of containers or cavities, or the volume of solid bodies
Landscapes
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Fluid Pressure (AREA)
Abstract
Description
VolumenometerVolumeter
Die Erfindung bezieht sich auf eine Anordnung zur Messung des Volumens (der Dichte) fester und flüssiger Substanzen nach dem Prinzip der Volumenverdrängung, wie es in DIN 12 795 durch das Pyknometerverfahren beschrieben wird.The invention relates to an arrangement for measuring the volume (the density) of solid and liquid substances according to the principle of volume displacement, as described in DIN 12 795 by the pycnometer method.
Die Aufgabe wird erfindergemäß dadurch gelöst, daß ein eingeschlossenes Gasvolumen durch einen Kolben oder eine Membrane zu Schwingungen angeregt wird, die über einen Druckaufnehmer erfaßt und eine Rechenschaltung ausgeweitet werden.The object is achieved according to the invention in that an included Gas volume is excited to vibrate by a piston or a membrane, which are recorded by a pressure transducer and expanded by a computing circuit.
Die Erfindung wird im folgenden, anhand einer in der Zeichnung dargestellten Ausführungsform erläutert.The invention is illustrated below with reference to one in the drawing Embodiment explained.
Mit 1 ist das Probegefäß zur Aufnahme der Probensubstanz 6 bezeichnet. Es ist über eine Rohrleitung 7 mit dem Schwinger 2 und dem Druckaufnehmer 3 verbunden. Mit Hilfe des Scnwingers 2 wird über einen Kolben oder eine Membrane durch periodische Volumendilation und -kontraktion AV ein zugeordnetes Drucksignal erzeugt, dessen Amplitude von dem in das Probegefäß 1 eingebrachten Probensubstanzvolumen abhängt. Mit dem Druckaufnehmer 3, der entsprechend dem äußeren Luftdruck po ein Signal für den Differendruck Ap liefert, und den Druckaufnehmer 4, der den AbsolutSruck pO mißt, wird über eine Rechenschaltung das Probensubstanzvolumen Vk bestimmt nach wobei V das Leervolumen von Probegefäß 1, die Rohrleitung 7 0 bis zum Schwinger 2 und Druckaufnehmer 3 darstellt.The sample vessel for receiving the sample substance 6 is denoted by 1. It is connected to the oscillator 2 and the pressure transducer 3 via a pipeline 7. With the aid of the vibrator 2, an associated pressure signal is generated via a piston or a membrane through periodic volume expansion and contraction AV, the amplitude of which depends on the volume of the sample substance introduced into the sample vessel 1. With the pressure transducer 3, which supplies a signal for the differential pressure Ap according to the external air pressure po, and the pressure transducer 4, which measures the absolute pressure pO, the sample substance volume Vk is determined via a computing circuit where V is the empty volume of sample vessel 1, the pipeline 7 0 up to the transducer 2 and the pressure transducer 3.
Die Vorrichtung 8 dient der einseitigen Auslenkung des Schwingers bzw. der Einbringung eines Zusatzvolumens zur Uberprüfung der Dichtheit des Systems.The device 8 is used to deflect the oscillator on one side or the introduction of an additional volume to check the tightness of the system.
Gegenüber anderen volumetrischen Meßverfahren werden weder Ventile noch Pumpen benötigt.Compared to other volumetric measuring methods, neither valves pumps still needed.
Claims (6)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19823209231 DE3209231A1 (en) | 1982-03-13 | 1982-03-13 | Volume meter |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19823209231 DE3209231A1 (en) | 1982-03-13 | 1982-03-13 | Volume meter |
Publications (1)
Publication Number | Publication Date |
---|---|
DE3209231A1 true DE3209231A1 (en) | 1983-09-15 |
Family
ID=6158198
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19823209231 Withdrawn DE3209231A1 (en) | 1982-03-13 | 1982-03-13 | Volume meter |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE3209231A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1986003834A1 (en) * | 1984-12-21 | 1986-07-03 | Enpece Ab | Method and apparatus for volume measurement |
-
1982
- 1982-03-13 DE DE19823209231 patent/DE3209231A1/en not_active Withdrawn
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1986003834A1 (en) * | 1984-12-21 | 1986-07-03 | Enpece Ab | Method and apparatus for volume measurement |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8139 | Disposal/non-payment of the annual fee |