CH522218A - Device for determining the purity of the air in air-conditioned rooms - Google Patents

Device for determining the purity of the air in air-conditioned rooms

Info

Publication number
CH522218A
CH522218A CH682671A CH682671A CH522218A CH 522218 A CH522218 A CH 522218A CH 682671 A CH682671 A CH 682671A CH 682671 A CH682671 A CH 682671A CH 522218 A CH522218 A CH 522218A
Authority
CH
Switzerland
Prior art keywords
air
purity
determining
conditioned rooms
rooms
Prior art date
Application number
CH682671A
Other languages
German (de)
Inventor
Oscar Lindahl Bo
Harry Hallenrud Sven Josef
Valentin Lamme Seth Eric
Original Assignee
Saab Scania Ab
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 Saab Scania Ab filed Critical Saab Scania Ab
Publication of CH522218A publication Critical patent/CH522218A/en

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N15/00Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
    • G01N15/06Investigating concentration of particle suspensions
    • G01N15/0606Investigating concentration of particle suspensions by collecting particles on a support
    • G01N15/0618Investigating concentration of particle suspensions by collecting particles on a support of the filter type

Landscapes

  • Chemical & Material Sciences (AREA)
  • Biochemistry (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Sampling And Sample Adjustment (AREA)
CH682671A 1970-05-11 1971-05-10 Device for determining the purity of the air in air-conditioned rooms CH522218A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE638870A SE333477B (en) 1970-05-11 1970-05-11

Publications (1)

Publication Number Publication Date
CH522218A true CH522218A (en) 1972-06-15

Family

ID=20268550

Family Applications (1)

Application Number Title Priority Date Filing Date
CH682671A CH522218A (en) 1970-05-11 1971-05-10 Device for determining the purity of the air in air-conditioned rooms

Country Status (6)

Country Link
AT (1) AT312966B (en)
CH (1) CH522218A (en)
DE (1) DE2121293A1 (en)
FR (1) FR2099088A5 (en)
GB (1) GB1326343A (en)
SE (1) SE333477B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2458066A1 (en) * 1979-05-29 1980-12-26 Berber Viktor Device for measuring and sampling calibration particles - comprises microscope, slide for supporting and positioning sample, and micro manipulator in form of needle
WO2014158013A1 (en) 2013-03-26 2014-10-02 Technology Of Sense B.V. Airborne particles deposition detection
CN107121365B (en) * 2016-02-25 2020-12-01 亮锐控股有限公司 Zero point calibration of particle density sensor
CN109765158A (en) * 2019-03-13 2019-05-17 陈美香 A kind of light scattering formula dust detector and regulating device

Also Published As

Publication number Publication date
SE333477B (en) 1971-03-15
GB1326343A (en) 1973-08-08
DE2121293A1 (en) 1971-12-02
FR2099088A5 (en) 1972-03-10
AT312966B (en) 1974-01-25

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Legal Events

Date Code Title Description
PL Patent ceased