GB2072852B - Gas leakage detectors - Google Patents

Gas leakage detectors

Info

Publication number
GB2072852B
GB2072852B GB8008380A GB8008380A GB2072852B GB 2072852 B GB2072852 B GB 2072852B GB 8008380 A GB8008380 A GB 8008380A GB 8008380 A GB8008380 A GB 8008380A GB 2072852 B GB2072852 B GB 2072852B
Authority
GB
United Kingdom
Prior art keywords
gas leakage
leakage detectors
detectors
gas
leakage
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
GB8008380A
Other versions
GB2072852A (en
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.)
New Cosmos Electric Co Ltd
Original Assignee
New Cosmos Electric Co Ltd
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 New Cosmos Electric Co Ltd filed Critical New Cosmos Electric Co Ltd
Priority to GB8008380A priority Critical patent/GB2072852B/en
Publication of GB2072852A publication Critical patent/GB2072852A/en
Application granted granted Critical
Publication of GB2072852B publication Critical patent/GB2072852B/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M3/00—Investigating fluid-tightness of structures
    • G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
    • G01M3/04—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
    • G01M3/20—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using special tracer materials, e.g. dye, fluorescent material, radioactive material
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
    • G01N27/04—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
    • G01N27/14—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of an electrically-heated body in dependence upon change of temperature
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/0004—Gaseous mixtures, e.g. polluted air
    • G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
    • G01N33/0062—General constructional details of gas analysers, e.g. portable test equipment concerning the measuring method, e.g. intermittent, or the display, e.g. digital
    • G01N33/0063—General constructional details of gas analysers, e.g. portable test equipment concerning the measuring method, e.g. intermittent, or the display, e.g. digital using a threshold to release an alarm or displaying means
GB8008380A 1980-03-12 1980-03-12 Gas leakage detectors Expired GB2072852B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8008380A GB2072852B (en) 1980-03-12 1980-03-12 Gas leakage detectors

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8008380A GB2072852B (en) 1980-03-12 1980-03-12 Gas leakage detectors

Publications (2)

Publication Number Publication Date
GB2072852A GB2072852A (en) 1981-10-07
GB2072852B true GB2072852B (en) 1984-07-11

Family

ID=10512042

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8008380A Expired GB2072852B (en) 1980-03-12 1980-03-12 Gas leakage detectors

Country Status (1)

Country Link
GB (1) GB2072852B (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0224628B1 (en) * 1985-11-26 1988-07-20 Controfugas S.R.L. Electronic correction circuit for a tracing element of an inflammable-gas leak detector
JP2741381B2 (en) * 1988-02-04 1998-04-15 フィガロ技研株式会社 Gas detector
GB2269456B (en) * 1992-08-06 1996-05-01 Yazaki Corp Gasoline detecting device
DE10133567A1 (en) * 2001-07-13 2003-01-30 Inficon Gmbh Sniffing leak detector and method for its operation
DE102005009713A1 (en) 2005-03-03 2006-09-07 Inficon Gmbh Leak detector with sniffer probe
DE102005043494A1 (en) 2005-09-13 2007-03-15 Inficon Gmbh Leak detector with sniffer probe
DE102016217891A1 (en) 2016-09-19 2018-03-22 Inficon Gmbh Filling probe attachment with elongated gas-conducting element
CN110346417A (en) * 2019-07-28 2019-10-18 北京交通大学 A kind of tunnel inverted arch quality nondestructive testing instrument
CN113866351B (en) * 2021-08-31 2024-04-12 应急管理部上海消防研究所 Detection device for industrial flue gas emission

Also Published As

Publication number Publication date
GB2072852A (en) 1981-10-07

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Legal Events

Date Code Title Description
PE20 Patent expired after termination of 20 years

Effective date: 20000311