FR719010A - Portable device for measuring methane content in air, and the like - Google Patents

Portable device for measuring methane content in air, and the like

Info

Publication number
FR719010A
FR719010A FR719010DA FR719010A FR 719010 A FR719010 A FR 719010A FR 719010D A FR719010D A FR 719010DA FR 719010 A FR719010 A FR 719010A
Authority
FR
France
Prior art keywords
air
portable device
methane content
measuring methane
measuring
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
Application number
Other languages
French (fr)
Inventor
Roman Mogilnickij
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 filed Critical
Application granted granted Critical
Publication of FR719010A publication Critical patent/FR719010A/en
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N7/00Analysing materials by measuring the pressure or volume of a gas or vapour
    • G01N7/02Analysing materials by measuring the pressure or volume of a gas or vapour by absorption, adsorption, or combustion of components and measurement of the change in pressure or volume of the remainder
    • G01N7/06Analysing materials by measuring the pressure or volume of a gas or vapour by absorption, adsorption, or combustion of components and measurement of the change in pressure or volume of the remainder by combustion alone

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Sampling And Sample Adjustment (AREA)
  • Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
  • Investigating Or Analyzing Materials Using Thermal Means (AREA)
FR719010D 1930-06-25 1931-06-23 Portable device for measuring methane content in air, and the like Expired FR719010A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CS719010X 1930-06-25

Publications (1)

Publication Number Publication Date
FR719010A true FR719010A (en) 1932-02-01

Family

ID=5455100

Family Applications (1)

Application Number Title Priority Date Filing Date
FR719010D Expired FR719010A (en) 1930-06-25 1931-06-23 Portable device for measuring methane content in air, and the like

Country Status (3)

Country Link
BE (1) BE380840A (en)
DE (1) DE539517C (en)
FR (1) FR719010A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE947521C (en) * 1950-10-26 1956-08-16 Draegerwerk Ag Methane detection device, especially for mining purposes

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE947521C (en) * 1950-10-26 1956-08-16 Draegerwerk Ag Methane detection device, especially for mining purposes

Also Published As

Publication number Publication date
DE539517C (en) 1931-11-30
BE380840A (en)

Similar Documents

Publication Publication Date Title
FR714072A (en) Device for the conservation and flow of soft materials
FR719010A (en) Portable device for measuring methane content in air, and the like
FR749009A (en) Improvements in methods and devices for measuring and regulating humidity
FR679655A (en) Device for measuring the slope and gauge of rails
FR719977A (en) Device to be mounted on vehicles, to protect and collect people in danger
FR725043A (en) Improvements in methods and devices for indicating, measuring and adjusting temperatures
FR739124A (en) Device for rolling balls and the like
FR764044A (en) Acceleration and deceleration measuring device
AU2069129A (en) A measuring device for use in connection with model drawing and the like
FR652620A (en) Improvements in apparatus for fixing posters or the like
FR710475A (en) Device for regenerating used carbon paper and the like
AU1030932A (en) Improvements in and connected with measuring and delivering apparatus for petrol and the like
AU1965929A (en) Improvements in apparatus for measuring and delivering liquids
FR38575E (en) Auxiliary device for accounting machines and the like
GB328889A (en) Improvements in or relating to means for locating positions and places on maps, charts, and the like
FR650415A (en) Device for giving the measure in exercises and for playing musical instruments
FR711056A (en) Illuminated sign device
FR681818A (en) Device for marking and measuring the length of defective places in tissues
DK44636C (en) Device for children's tricycles and the like.
FR647472A (en) Improvements in apparatus for concentrating, dehydrating and the like
FR735538A (en) Device for measuring the altitude indication, in particular on board airplanes
FR738785A (en) Respiratory measuring and training device
FR727050A (en) De-oiler and dehydrator device for air or other gas
FR682089A (en) Device for the regular distribution of air in a diffuser
FR700371A (en) Device for measuring elongation