FR41704E - Improvements to the so-called pirani gauge for measuring low pressures - Google Patents

Improvements to the so-called pirani gauge for measuring low pressures

Info

Publication number
FR41704E
FR41704E FR41704DA FR41704E FR 41704 E FR41704 E FR 41704E FR 41704D A FR41704D A FR 41704DA FR 41704 E FR41704 E FR 41704E
Authority
FR
France
Prior art keywords
called
low pressures
measuring low
pirani gauge
pirani
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)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Compagnie Generale de Radiologie SA
Original Assignee
Compagnie Generale de Radiologie SA
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 Compagnie Generale de Radiologie SA filed Critical Compagnie Generale de Radiologie SA
Application granted granted Critical
Publication of FR41704E publication Critical patent/FR41704E/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L21/00—Vacuum gauges

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR41704D 1931-11-20 1931-11-20 Improvements to the so-called pirani gauge for measuring low pressures Expired FR41704E (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR41704T 1931-11-20

Publications (1)

Publication Number Publication Date
FR41704E true FR41704E (en) 1933-03-29

Family

ID=8677835

Family Applications (1)

Application Number Title Priority Date Filing Date
FR41704D Expired FR41704E (en) 1931-11-20 1931-11-20 Improvements to the so-called pirani gauge for measuring low pressures

Country Status (1)

Country Link
FR (1) FR41704E (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1150223B (en) * 1958-02-25 1963-06-12 New York Air Brake Co Procedure for adjusting a number of measuring tubes for thermoelectric vacuum gauges

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1150223B (en) * 1958-02-25 1963-06-12 New York Air Brake Co Procedure for adjusting a number of measuring tubes for thermoelectric vacuum gauges

Similar Documents

Publication Publication Date Title
FR41704E (en) Improvements to the so-called pirani gauge for measuring low pressures
FR733026A (en) Improvements to the so-called pirani gauge for measuring low pressures
FR44676E (en) Improvements to the so-called pirani gauge, for measuring low pressures
FR644253A (en) Pressure gauge for measuring very low pressures
FR755233A (en) Differential pressure gauge for high pressure difference
FR740500A (en) Condensing chamber for chi-ray measurement
FR679516A (en) Tire pressure indicator
FR862252A (en) Improvements to tensiometers for measuring the stretch characteristic of liquids
FR727317A (en) Instrument for measuring the pressure of gaseous media
FR740303A (en) Improvements made to manometric devices for measuring or observing oscillating pressures, in particular to sphygmographs, sphygmomanometers or spygmometrographs
FR713625A (en) Pressure measuring instrument
FR729200A (en) Cliché chamber for photograms measuring devices
FR719919A (en) Pressure indicator
FR678132A (en) Improvement in differential manometers used for dynamic flow measurement
FR680899A (en) Measuring instrument for rings
FR696593A (en) Improvements to devices for measuring blood pressure
FR758169A (en) Pneumatic pressure controller-limiter
FR769372A (en) Improvements to differential pressure gauges
FR824854A (en) Advanced pressure measuring device
FR832785A (en) Instrument for measuring angles
CA293643A (en) Gauge for measuring liquids
FR718522A (en) Measuring instrument for tailors
FR732850A (en) Improvement in pressure gauges
FR691251A (en) Pressure indicator
FR769014A (en) Amplifier mechanism for measuring instruments