DE2215625A1 - Verfahren zum Eichen von Vibrationsdensitometem - Google Patents
Verfahren zum Eichen von VibrationsdensitometemInfo
- Publication number
- DE2215625A1 DE2215625A1 DE19722215625 DE2215625A DE2215625A1 DE 2215625 A1 DE2215625 A1 DE 2215625A1 DE 19722215625 DE19722215625 DE 19722215625 DE 2215625 A DE2215625 A DE 2215625A DE 2215625 A1 DE2215625 A1 DE 2215625A1
- Authority
- DE
- Germany
- Prior art keywords
- switch
- output
- input
- circuit
- signal
- 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.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims description 26
- 239000007788 liquid Substances 0.000 claims description 28
- 239000000523 sample Substances 0.000 claims description 27
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 25
- 239000013078 crystal Substances 0.000 claims description 11
- 238000005259 measurement Methods 0.000 description 13
- 239000003990 capacitor Substances 0.000 description 10
- 238000010586 diagram Methods 0.000 description 10
- 230000008859 change Effects 0.000 description 6
- 230000005669 field effect Effects 0.000 description 6
- 230000010354 integration Effects 0.000 description 6
- 230000006870 function Effects 0.000 description 5
- 230000005484 gravity Effects 0.000 description 4
- 238000007493 shaping process Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 3
- 239000003915 liquefied petroleum gas Substances 0.000 description 3
- 230000010355 oscillation Effects 0.000 description 3
- 230000010363 phase shift Effects 0.000 description 3
- 238000009795 derivation Methods 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 239000003570 air Substances 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 230000002238 attenuated effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000004069 differentiation Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N9/00—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity
- G01N9/002—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity using variation of the resonant frequency of an element vibrating in contact with the material submitted to analysis
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US13113171A | 1971-04-05 | 1971-04-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2215625A1 true DE2215625A1 (de) | 1972-11-02 |
Family
ID=22448019
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19722215625 Pending DE2215625A1 (de) | 1971-04-05 | 1972-03-30 | Verfahren zum Eichen von Vibrationsdensitometem |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JPS5223584B1 (cs) |
| DE (1) | DE2215625A1 (cs) |
| FR (1) | FR2132445A1 (cs) |
| IT (1) | IT950940B (cs) |
| NL (1) | NL7204304A (cs) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114062192B (zh) * | 2021-11-11 | 2024-12-31 | 四川泛华航空仪表电器有限公司 | 一种选频增益的变换电路及其工作方法 |
-
1972
- 1972-03-30 DE DE19722215625 patent/DE2215625A1/de active Pending
- 1972-03-30 NL NL7204304A patent/NL7204304A/xx unknown
- 1972-03-31 IT IT2264972A patent/IT950940B/it active
- 1972-04-05 JP JP47034340A patent/JPS5223584B1/ja active Pending
- 1972-04-05 FR FR7211896A patent/FR2132445A1/fr not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| IT950940B (it) | 1973-06-20 |
| NL7204304A (cs) | 1972-10-09 |
| FR2132445A1 (cs) | 1972-11-17 |
| JPS5223584B1 (cs) | 1977-06-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP0221251B1 (de) | Verfahren zur Fehlerkompensation für Messwertaufnehmer mit nicht linearen Kennlinien, sowie Anordnung zur Durchführung des Verfahrens | |
| DE2945965A1 (de) | Einrichtung zur kapazitiven fuellstandsmessung | |
| DE3037174A1 (de) | Hochgenaues spannungs-frequenz- und frequenz-spannungs-wandlersystem und damit ausgeruesteter magnetischer durchflussmesser | |
| DE2359527A1 (de) | Verfahren und anordnung zur kapazitaetsmessung | |
| DE1498819C3 (de) | Vorrichtung zur Bestimmung einer charakteristischen Eigenschaft eines Materials | |
| DE1043479B (de) | Elektrisches Relaisschutzsystem | |
| DE2249206A1 (de) | Stroemungsmittelmessystem | |
| DE1591963C3 (de) | Elektronische Multiplikationseinrichtung für Wechselstromgrößen | |
| DE2330477A1 (de) | Durchflussmessystem | |
| EP0227908A1 (de) | Vorrichtung zur Spannungsmessung durch Abtastung | |
| DE3423076A1 (de) | Magnetisch-induktives durchflussmessverfahren | |
| DE2800332A1 (de) | Ringlaser-drehgeschwindigkeitsmesser | |
| DE2638926A1 (de) | Messystem | |
| DE2333413C2 (de) | Verfahren zur Anzeige und/oder Registrierung elektrischer Größen und Anzeige- bzw. Registriergerät unter Anwendung dieses Verfahrens | |
| DE2215625A1 (de) | Verfahren zum Eichen von Vibrationsdensitometem | |
| DE2521687C3 (de) | Meßwertwandler zur kapazitiven Füllstandsmessung | |
| DE2547043A1 (de) | Durchflussmessystem | |
| DE1616084C3 (de) | Schaltungsanordnung zur Gütefaktormessung | |
| DE1966331C3 (cs) | ||
| DE2556181B2 (de) | Verfahren und Schaltungsanordnung zum Messen der Ganggenauigkeit einer elektronischen Uhr | |
| DE3927833C2 (de) | Meßschaltung und Anwendung derselben, insbesondere mit induktiven Weggebern | |
| DE3642495C2 (cs) | ||
| DE2232654C2 (de) | Vibrationsdensitometer | |
| DE2213867A1 (cs) | ||
| DE3519390C2 (cs) |