ES2073991A2 - Static system of tests for detecting toxic gases with piezoelectric crystals. - Google Patents
Static system of tests for detecting toxic gases with piezoelectric crystals.Info
- Publication number
- ES2073991A2 ES2073991A2 ES09300878A ES9300878A ES2073991A2 ES 2073991 A2 ES2073991 A2 ES 2073991A2 ES 09300878 A ES09300878 A ES 09300878A ES 9300878 A ES9300878 A ES 9300878A ES 2073991 A2 ES2073991 A2 ES 2073991A2
- Authority
- ES
- Spain
- Prior art keywords
- tests
- piezoelectric
- toxic gases
- frequency
- static system
- 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.)
- Granted
Links
Abstract
Static system of tests for detecting toxic gases with piezoelectric crystals. This is based on the setting up of two piezoelectric sensors inside a test chamber 1, assisted by a vacuum pump 3, a nitrogen cylinder 4, a power supply 2 and a digital multimeter 5, the piezoelectric sensors of this test chamber 1 being associated with or connected to a frequency counter 7 via a duplexer or electronic switch 6 enabling the frequency of the master piezoelectric sensor, the test piezoelectric sensor and the ratio between the two frequencies to be read at any time using the frequency meter 7, this frequency meter 7 in turn being assisted by a printer 8 for recording the readings of this frequency meter at any time.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ES9300878A ES2073991B1 (en) | 1993-04-27 | 1993-04-27 | STATIC TEST SYSTEM FOR DETECTION OF TOXIC GASES WITH PIEZOELECTRIC CRYSTALS. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ES9300878A ES2073991B1 (en) | 1993-04-27 | 1993-04-27 | STATIC TEST SYSTEM FOR DETECTION OF TOXIC GASES WITH PIEZOELECTRIC CRYSTALS. |
Publications (3)
Publication Number | Publication Date |
---|---|
ES2073991A2 true ES2073991A2 (en) | 1995-08-16 |
ES2073991R ES2073991R (en) | 1997-02-01 |
ES2073991B1 ES2073991B1 (en) | 1997-08-16 |
Family
ID=8281599
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES9300878A Expired - Fee Related ES2073991B1 (en) | 1993-04-27 | 1993-04-27 | STATIC TEST SYSTEM FOR DETECTION OF TOXIC GASES WITH PIEZOELECTRIC CRYSTALS. |
Country Status (1)
Country | Link |
---|---|
ES (1) | ES2073991B1 (en) |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3528779A (en) * | 1968-06-27 | 1970-09-15 | Aerochem Res Lab | Chemiluminescent method of detecting ozone |
US4110686A (en) * | 1977-08-17 | 1978-08-29 | The United States Of America As Represented By The United States Department Of Energy | Piezoelectric-tuned microwave cavity for absorption spectrometry |
ES8204852A1 (en) * | 1980-01-31 | 1982-05-01 | Shell Int Research | A method and apparatus for testing the effectiveness of chemicals such as scale inhibitors or scale removers. |
ES8403618A1 (en) * | 1982-10-22 | 1983-08-16 | Proteccion Y Seguridad Sa De | Carbon mon:oxide detector for air conditioning fan automation |
US4446720A (en) * | 1980-04-18 | 1984-05-08 | The Secretary Of State For Social Services In Her Britannic Majesty's Government Of The United Kingdom Of Great Britain And Northern Ireland | Method and apparatus for detecting the presence of a contaminant in a gaseous carrier |
ES2002355A6 (en) * | 1986-09-19 | 1988-08-01 | Sistemes Electronics Progres S | Electronic equipment for the automatic control and registration of factors that influence the conservation of fruit by controlled atmosphere and corresponding procedure (Machine-translation by Google Translate, not legally binding) |
JPH0274152A (en) * | 1988-09-08 | 1990-03-14 | Toshiba Corp | Power source output stabilizer |
WO1992015973A1 (en) * | 1991-03-08 | 1992-09-17 | Bell Communications Research, Inc. | Early warning reactive gas detection system |
-
1993
- 1993-04-27 ES ES9300878A patent/ES2073991B1/en not_active Expired - Fee Related
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3528779A (en) * | 1968-06-27 | 1970-09-15 | Aerochem Res Lab | Chemiluminescent method of detecting ozone |
US4110686A (en) * | 1977-08-17 | 1978-08-29 | The United States Of America As Represented By The United States Department Of Energy | Piezoelectric-tuned microwave cavity for absorption spectrometry |
ES8204852A1 (en) * | 1980-01-31 | 1982-05-01 | Shell Int Research | A method and apparatus for testing the effectiveness of chemicals such as scale inhibitors or scale removers. |
US4446720A (en) * | 1980-04-18 | 1984-05-08 | The Secretary Of State For Social Services In Her Britannic Majesty's Government Of The United Kingdom Of Great Britain And Northern Ireland | Method and apparatus for detecting the presence of a contaminant in a gaseous carrier |
ES8403618A1 (en) * | 1982-10-22 | 1983-08-16 | Proteccion Y Seguridad Sa De | Carbon mon:oxide detector for air conditioning fan automation |
ES2002355A6 (en) * | 1986-09-19 | 1988-08-01 | Sistemes Electronics Progres S | Electronic equipment for the automatic control and registration of factors that influence the conservation of fruit by controlled atmosphere and corresponding procedure (Machine-translation by Google Translate, not legally binding) |
JPH0274152A (en) * | 1988-09-08 | 1990-03-14 | Toshiba Corp | Power source output stabilizer |
WO1992015973A1 (en) * | 1991-03-08 | 1992-09-17 | Bell Communications Research, Inc. | Early warning reactive gas detection system |
Non-Patent Citations (1)
Title |
---|
BASE DE DATOS PAJ en EPOQUE. Japanese Patent Information Organisation (Tokio, JP) & JP 2074152 A (TOSHIBA CORP y otros) 14.03.90 * Resumen * * |
Also Published As
Publication number | Publication date |
---|---|
ES2073991B1 (en) | 1997-08-16 |
ES2073991R (en) | 1997-02-01 |
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Legal Events
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