CH552790A - Messausruestung zum messen einer nichtelektrischen physikalischen groesse. - Google Patents
Messausruestung zum messen einer nichtelektrischen physikalischen groesse.Info
- Publication number
- CH552790A CH552790A CH896572A CH896572A CH552790A CH 552790 A CH552790 A CH 552790A CH 896572 A CH896572 A CH 896572A CH 896572 A CH896572 A CH 896572A CH 552790 A CH552790 A CH 552790A
- Authority
- CH
- Switzerland
- Prior art keywords
- measuring
- physical size
- electrical physical
- measuring equipment
- equipment
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C19/00—Electric signal transmission systems
- G08C19/02—Electric signal transmission systems in which the signal transmitted is magnitude of current or voltage
-
- 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
- G01N27/26—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
- G01N27/416—Systems
- G01N27/4166—Systems measuring a particular property of an electrolyte
- G01N27/4167—Systems measuring a particular property of an electrolyte pH
Landscapes
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Analytical Chemistry (AREA)
- Molecular Biology (AREA)
- General Health & Medical Sciences (AREA)
- Biochemistry (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US15451171A | 1971-06-18 | 1971-06-18 |
Publications (1)
Publication Number | Publication Date |
---|---|
CH552790A true CH552790A (de) | 1974-08-15 |
Family
ID=22551615
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH896572A CH552790A (de) | 1971-06-18 | 1972-06-15 | Messausruestung zum messen einer nichtelektrischen physikalischen groesse. |
Country Status (4)
Country | Link |
---|---|
US (1) | US3786345A (de) |
CH (1) | CH552790A (de) |
DE (1) | DE2228585A1 (de) |
GB (1) | GB1390961A (de) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4013899A (en) * | 1976-03-26 | 1977-03-22 | Honeywell Inc. | Apparatus for converting a potential signal developed between two high impedance electrodes to a current signal and for transmitting this current signal to a remote location over a two wire transmission |
US5621161A (en) * | 1995-04-11 | 1997-04-15 | Leyse; Robert H. | Method for monitoring for the presence of dissolved gas in a fluid under pressure |
US8436621B2 (en) * | 2009-01-16 | 2013-05-07 | Kyungpook National University Industry-Academic Corporation Foundation | pH measurement system using glass pH sensor |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB463370A (en) * | 1935-07-29 | 1937-03-30 | Standard Telephones Cables Ltd | Improvements in or relating to electrical measuring apparatus |
NL110934C (de) * | 1962-09-21 | |||
US3430130A (en) * | 1966-05-20 | 1969-02-25 | Carl A Schneider | Conductivity measuring circuit utilizing conductivity cell as input resistance of an operational amplifier |
-
1971
- 1971-06-18 US US00154511A patent/US3786345A/en not_active Expired - Lifetime
-
1972
- 1972-06-12 GB GB2735372A patent/GB1390961A/en not_active Expired
- 1972-06-12 DE DE19722228585 patent/DE2228585A1/de active Pending
- 1972-06-15 CH CH896572A patent/CH552790A/de not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
US3786345A (en) | 1974-01-15 |
DE2228585A1 (de) | 1972-12-28 |
GB1390961A (en) | 1975-04-16 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PL | Patent ceased |