GB2255190B - Calibrated humidity generator - Google Patents

Calibrated humidity generator

Info

Publication number
GB2255190B
GB2255190B GB9105822A GB9105822A GB2255190B GB 2255190 B GB2255190 B GB 2255190B GB 9105822 A GB9105822 A GB 9105822A GB 9105822 A GB9105822 A GB 9105822A GB 2255190 B GB2255190 B GB 2255190B
Authority
GB
United Kingdom
Prior art keywords
humidity generator
calibrated humidity
calibrated
generator
humidity
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
GB9105822A
Other versions
GB2255190A (en
GB9105822D0 (en
Inventor
Peter Greaves
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to GB9105822A priority Critical patent/GB2255190B/en
Publication of GB9105822D0 publication Critical patent/GB9105822D0/en
Publication of GB2255190A publication Critical patent/GB2255190A/en
Application granted granted Critical
Publication of GB2255190B publication Critical patent/GB2255190B/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
    • G01N19/00—Investigating materials by mechanical methods
    • G01N19/10—Measuring moisture content, e.g. by measuring change in length of hygroscopic filament; Hygrometers
    • 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
    • G01N9/36—Analysing materials by measuring the density or specific gravity, e.g. determining quantity of moisture

Landscapes

  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analyzing Materials By The Use Of Fluid Adsorption Or Reactions (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
GB9105822A 1991-03-19 1991-03-19 Calibrated humidity generator Expired - Fee Related GB2255190B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9105822A GB2255190B (en) 1991-03-19 1991-03-19 Calibrated humidity generator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9105822A GB2255190B (en) 1991-03-19 1991-03-19 Calibrated humidity generator

Publications (3)

Publication Number Publication Date
GB9105822D0 GB9105822D0 (en) 1991-05-01
GB2255190A GB2255190A (en) 1992-10-28
GB2255190B true GB2255190B (en) 1994-10-05

Family

ID=10691836

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9105822A Expired - Fee Related GB2255190B (en) 1991-03-19 1991-03-19 Calibrated humidity generator

Country Status (1)

Country Link
GB (1) GB2255190B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009005452A1 (en) * 2007-07-04 2009-01-08 Q-Sense Ab Quartz crystal microbalance membrane
BRPI1000060B1 (en) 2010-01-04 2017-12-26 Embrapa - Empresa Brasileira De Pesquisa Agropecuária. DENSITY SENSOR TO ASSESS VOLTAGE, POTENTIAL AND ACTIVITY OF LIQUIDS
GB2487186B (en) * 2011-01-05 2015-01-21 Relequa Analytical Systems Ltd Equilibrium relative humidity testing system

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1142036A (en) * 1966-09-08 1969-02-05 Peter John Mackay Improvements in or relating to hair hygrometers
DE2247505A1 (en) * 1971-10-26 1973-05-03 Luft U Kaeltetechnik Veb K Humidity standardisers - esp for calibrating humidity sensors,surrounded by temp controlled medium
DE2439926A1 (en) * 1973-08-20 1975-03-20 Gridnew Test equipment for a hygrometer dynamic behaviour - has a working chamber with a ventilator driving air along it

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1142036A (en) * 1966-09-08 1969-02-05 Peter John Mackay Improvements in or relating to hair hygrometers
DE2247505A1 (en) * 1971-10-26 1973-05-03 Luft U Kaeltetechnik Veb K Humidity standardisers - esp for calibrating humidity sensors,surrounded by temp controlled medium
DE2439926A1 (en) * 1973-08-20 1975-03-20 Gridnew Test equipment for a hygrometer dynamic behaviour - has a working chamber with a ventilator driving air along it

Also Published As

Publication number Publication date
GB2255190A (en) 1992-10-28
GB9105822D0 (en) 1991-05-01

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20050319