CH616743A5 - Device for measuring the density of gaseous media. - Google Patents

Device for measuring the density of gaseous media. Download PDF

Info

Publication number
CH616743A5
CH616743A5 CH809777A CH809777A CH616743A5 CH 616743 A5 CH616743 A5 CH 616743A5 CH 809777 A CH809777 A CH 809777A CH 809777 A CH809777 A CH 809777A CH 616743 A5 CH616743 A5 CH 616743A5
Authority
CH
Switzerland
Prior art keywords
temperature
electrical
approximately
density measurement
measurement according
Prior art date
Application number
CH809777A
Other languages
German (de)
English (en)
Inventor
Otto Dipl Ing Lanz
Original Assignee
Bbc Brown Boveri & Cie
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Bbc Brown Boveri & Cie filed Critical Bbc Brown Boveri & Cie
Priority to CH809777A priority Critical patent/CH616743A5/de
Priority to DE19772736946 priority patent/DE2736946A1/de
Priority to FR7819376A priority patent/FR2396283A1/fr
Priority to SU782631655A priority patent/SU884587A3/ru
Priority to NL7806940A priority patent/NL7806940A/xx
Priority to JP7922078A priority patent/JPS5414270A/ja
Publication of CH616743A5 publication Critical patent/CH616743A5/de

Links

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
    • 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
    • G01D1/00—Measuring arrangements giving results other than momentary value of variable, of general application
    • G01D1/16—Measuring arrangements giving results other than momentary value of variable, of general application giving a value which is a function of two or more values, e.g. product or ratio
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L9/00—Measuring steady of quasi-steady pressure of fluid or fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means
    • G01L9/02—Measuring steady of quasi-steady pressure of fluid or fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means by making use of variations in ohmic resistance, e.g. of potentiometers, electric circuits therefor, e.g. bridges, amplifiers or signal conditioning
    • G01L9/06—Measuring steady of quasi-steady pressure of fluid or fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means by making use of variations in ohmic resistance, e.g. of potentiometers, electric circuits therefor, e.g. bridges, amplifiers or signal conditioning of piezo-resistive devices
    • G01L9/065—Measuring steady of quasi-steady pressure of fluid or fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means by making use of variations in ohmic resistance, e.g. of potentiometers, electric circuits therefor, e.g. bridges, amplifiers or signal conditioning of piezo-resistive devices with temperature compensating means

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • General Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Measuring Fluid Pressure (AREA)
  • Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
  • Indication And Recording Devices For Special Purposes And Tariff Metering Devices (AREA)
CH809777A 1977-07-01 1977-07-01 Device for measuring the density of gaseous media. CH616743A5 (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
CH809777A CH616743A5 (en) 1977-07-01 1977-07-01 Device for measuring the density of gaseous media.
DE19772736946 DE2736946A1 (de) 1977-07-01 1977-08-17 Einrichtung zur dichtemessung von gasfoermigen medien
FR7819376A FR2396283A1 (fr) 1977-07-01 1978-06-28 Dispositif pour la mesure de la densite de milieux gazeux
SU782631655A SU884587A3 (ru) 1977-07-01 1978-06-28 Устройство дл измерени плотности газообразных сред
NL7806940A NL7806940A (nl) 1977-07-01 1978-06-28 Inrichting voor het meten van de dichtheid van gasvor- mige media.
JP7922078A JPS5414270A (en) 1977-07-01 1978-06-29 Apparatus for measuring density of gaseous medium

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH809777A CH616743A5 (en) 1977-07-01 1977-07-01 Device for measuring the density of gaseous media.

Publications (1)

Publication Number Publication Date
CH616743A5 true CH616743A5 (en) 1980-04-15

Family

ID=4335108

Family Applications (1)

Application Number Title Priority Date Filing Date
CH809777A CH616743A5 (en) 1977-07-01 1977-07-01 Device for measuring the density of gaseous media.

Country Status (6)

Country Link
JP (1) JPS5414270A (ru)
CH (1) CH616743A5 (ru)
DE (1) DE2736946A1 (ru)
FR (1) FR2396283A1 (ru)
NL (1) NL7806940A (ru)
SU (1) SU884587A3 (ru)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2914037C2 (de) * 1979-04-06 1983-12-08 Siemens AG, 1000 Berlin und 8000 München Einrichtung zum Unwirksammachen von durch Temperaturschwankungen verursachten Abweichungen der Ausgangsspannung eines Druckwandlers in Magnetbandgeräten
JPS5686331A (en) * 1979-12-17 1981-07-14 Toshiba Corp Measuring device of gas density
JPS59184819A (ja) * 1983-04-06 1984-10-20 Hitachi Ltd 半導体圧力センサ
JPS63206634A (ja) * 1987-02-24 1988-08-25 Toshiba Corp ガス密度センサ
FR2872572B1 (fr) * 2004-06-30 2006-09-22 Commissariat Energie Atomique Test de l'etancheite de mems ou de petits composants encapsules
RU2531043C1 (ru) * 2013-07-26 2014-10-20 Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Тверской государственный технический университет" Лабораторный анализатор плотности газов

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3162043A (en) * 1960-08-12 1964-12-22 Giannini Controls Corp Compensated air density computer
FR1366909A (fr) * 1963-06-05 1964-07-17 Bagneux S A Atel Const Dispositif de calcul de la densité de l'air et son application aux hélicoptères
FR1467112A (fr) * 1965-12-08 1967-01-27 Thomson Houston Comp Francaise Perfectionnements aux procédé et dispositifs de détermination de la masse volumique d'un gaz
US3862568A (en) * 1972-06-22 1975-01-28 Itt Method of and apparatus for producing fluid gravity and density analogs and flowmeters incorporating gravitometers
AT331539B (de) * 1972-10-25 1976-08-25 Kratky Otto Dr Dr E H Vorrichtung zur messung der dichte
US3967188A (en) * 1973-05-24 1976-06-29 Bell & Howell Company Temperature compensation circuit for sensor of physical variables such as temperature and pressure

Also Published As

Publication number Publication date
DE2736946A1 (de) 1979-01-18
SU884587A3 (ru) 1981-11-23
JPS6147371B2 (ru) 1986-10-18
FR2396283A1 (fr) 1979-01-26
NL7806940A (nl) 1979-01-03
JPS5414270A (en) 1979-02-02

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