ZA803390B - Gas monitors - Google Patents

Gas monitors

Info

Publication number
ZA803390B
ZA803390B ZA00803390A ZA803390A ZA803390B ZA 803390 B ZA803390 B ZA 803390B ZA 00803390 A ZA00803390 A ZA 00803390A ZA 803390 A ZA803390 A ZA 803390A ZA 803390 B ZA803390 B ZA 803390B
Authority
ZA
South Africa
Prior art keywords
gas monitors
monitors
gas
Prior art date
Application number
ZA00803390A
Inventor
C Hydes
Original Assignee
Coal Ind
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 Coal Ind filed Critical Coal Ind
Publication of ZA803390B publication Critical patent/ZA803390B/en

Links

Classifications

    • 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 or the display, e.g. intermittent measurement or digital display
    • G01N33/0067—General constructional details of gas analysers, e.g. portable test equipment concerning the measuring method or the display, e.g. intermittent measurement or digital display by measuring the rate of variation of the concentration
    • 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 or the display, e.g. intermittent measurement or digital display
    • G01N33/0063—General constructional details of gas analysers, e.g. portable test equipment concerning the measuring method or the display, e.g. intermittent measurement or digital display using a threshold to release an alarm or displaying means

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Food Science & Technology (AREA)
  • Medicinal Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Combustion & Propulsion (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Emergency Alarm Devices (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
ZA00803390A 1979-07-17 1980-06-06 Gas monitors ZA803390B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB7924894A GB2054153A (en) 1979-07-17 1979-07-17 Gas Monitors

Publications (1)

Publication Number Publication Date
ZA803390B true ZA803390B (en) 1981-06-24

Family

ID=10506551

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA00803390A ZA803390B (en) 1979-07-17 1980-06-06 Gas monitors

Country Status (4)

Country Link
AU (1) AU5944880A (en)
DE (1) DE3025742A1 (en)
GB (1) GB2054153A (en)
ZA (1) ZA803390B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3220434A1 (en) * 1982-05-29 1983-12-01 Robert Bosch Gmbh, 7000 Stuttgart METHOD FOR MONITORING A MEASUREMENT
EP0264494A1 (en) * 1986-10-23 1988-04-27 Robert F. Dumbeck, Sr. Detecting and control of contaminated air in dwellings
US4900514A (en) * 1987-05-01 1990-02-13 Guardian Technologies, Inc. Breath analyzer mouthpiece system
US5402665A (en) * 1993-05-11 1995-04-04 Hart; Russell F. Monitoring gaseous oxygen concentration
IT1319850B1 (en) * 2000-02-18 2003-11-03 Viro Tronic S P A ELECTRONIC DEVICE FOR THE DETECTION OF NARCOTIZING GASES.
CN107228922A (en) * 2017-06-13 2017-10-03 芜湖桑健电子科技有限公司 Oxygen content reminding method between Saunas

Also Published As

Publication number Publication date
DE3025742A1 (en) 1981-02-12
AU5944880A (en) 1981-01-22
GB2054153A (en) 1981-02-11

Similar Documents

Publication Publication Date Title
GB2064765B (en) Personal gas monitors
DE3066085D1 (en) Gas separating member
JPS5647750A (en) Gas analyzer
GB2042365B (en) Gas separation
JPS5685638A (en) Gas lighter
GB1557921A (en) Gas monitors
GB2059069B (en) Gas analyser
GB2046125B (en) Gas filter
DE3060640D1 (en) Gas detector
GB2072820B (en) Gas lighter
DE3173036D1 (en) Gas monitor
GB2046102B (en) Respirators
JPS55149619A (en) Gas duster
ZA803390B (en) Gas monitors
GB2049468B (en) Gas purification
ZA801798B (en) Respirators
JPS5656215A (en) Gas separator
JPS56138617A (en) Gas lighter
GB2045094B (en) Respirators
JPS5660620A (en) Gas filter
GB2043859B (en) Gas lighter
GB2043913B (en) Gas detector
JPS55106354A (en) Gas analyzer
GB2043858B (en) Gas lighter
GB2050863B (en) Gas scrubber