GB2328789B - Detectors - Google Patents

Detectors

Info

Publication number
GB2328789B
GB2328789B GB9718441A GB9718441A GB2328789B GB 2328789 B GB2328789 B GB 2328789B GB 9718441 A GB9718441 A GB 9718441A GB 9718441 A GB9718441 A GB 9718441A GB 2328789 B GB2328789 B GB 2328789B
Authority
GB
United Kingdom
Prior art keywords
detectors
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 - Fee Related
Application number
GB9718441A
Other versions
GB2328789A (en
GB9718441D0 (en
Inventor
Frank William Houlton Dean
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.)
Ion Science Ltd
Original Assignee
Ion Science 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 Ion Science Ltd filed Critical Ion Science Ltd
Priority to GB9718441A priority Critical patent/GB2328789B/en
Publication of GB9718441D0 publication Critical patent/GB9718441D0/en
Publication of GB2328789A publication Critical patent/GB2328789A/en
Application granted granted Critical
Publication of GB2328789B publication Critical patent/GB2328789B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • G01N27/62—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating the ionisation of gases, e.g. aerosols; by investigating electric discharges, e.g. emission of cathode
    • G01N27/64—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating the ionisation of gases, e.g. aerosols; by investigating electric discharges, e.g. emission of cathode using wave or particle radiation to ionise a gas, e.g. in an ionisation chamber
    • G01N27/66—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating the ionisation of gases, e.g. aerosols; by investigating electric discharges, e.g. emission of cathode using wave or particle radiation to ionise a gas, e.g. in an ionisation chamber and measuring current or voltage
    • 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
    • G01M3/16—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using electric detection means
    • 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
    • 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
    • G01M3/38—Investigating fluid-tightness of structures by using light
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
    • G01N30/02—Column chromatography
    • G01N30/62—Detectors specially adapted therefor
    • G01N30/64—Electrical detectors
    • G01N2030/642—Electrical detectors photoionisation detectors

Landscapes

  • General Physics & Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Electrochemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Toxicology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
GB9718441A 1997-09-02 1997-09-02 Detectors Expired - Fee Related GB2328789B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9718441A GB2328789B (en) 1997-09-02 1997-09-02 Detectors

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9718441A GB2328789B (en) 1997-09-02 1997-09-02 Detectors

Publications (3)

Publication Number Publication Date
GB9718441D0 GB9718441D0 (en) 1997-11-05
GB2328789A GB2328789A (en) 1999-03-03
GB2328789B true GB2328789B (en) 2001-09-12

Family

ID=10818297

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9718441A Expired - Fee Related GB2328789B (en) 1997-09-02 1997-09-02 Detectors

Country Status (1)

Country Link
GB (1) GB2328789B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2005230450B2 (en) 2004-03-31 2009-12-17 Msa Technology, Llc Photoionization detector
GB2488813A (en) * 2011-03-09 2012-09-12 Ion Science Ltd Ultraviolet lamp window and filter
GB2537361B (en) 2015-04-10 2017-05-03 Ion Science Ltd A Water Immersible Detector

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1576474A (en) * 1976-01-19 1980-10-08 Hnu Syst Inc Ion detection electrode arrangement
GB2058447A (en) * 1979-08-27 1981-04-08 Leveson R Photoionization Detector

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1576474A (en) * 1976-01-19 1980-10-08 Hnu Syst Inc Ion detection electrode arrangement
GB2058447A (en) * 1979-08-27 1981-04-08 Leveson R Photoionization Detector

Also Published As

Publication number Publication date
GB2328789A (en) 1999-03-03
GB9718441D0 (en) 1997-11-05

Similar Documents

Publication Publication Date Title
GB2312514B (en) Detector
DE69814119D1 (en) Hohles vibrationshorn
GB9717209D0 (en) Condition detector
GB9626824D0 (en) Fish-bite detector
GB2332529B (en) Detection
GB2332101B (en) Detector
GB2328789B (en) Detectors
GB2340248B (en) Detector
GB9607209D0 (en) Detectors
GB9720256D0 (en) Detector system
GB9705012D0 (en) Displacement detector
GB9708828D0 (en) Detector
GB9718547D0 (en) Smoke detector
GB9721402D0 (en) Air-arc gouger
GB9612909D0 (en) Detectors
GB9618409D0 (en) Detectors
GB9612260D0 (en) Detectors
GB9709545D0 (en) Range detector
GB9705953D0 (en) Detection
GB9705853D0 (en) Detection
GB9714017D0 (en) Object detection
PL105670U1 (en) Detector
GB9615277D0 (en) Detector
GB9704534D0 (en) Smoke detectors
GB9727194D0 (en) Detector systems

Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20020902