FR2331781A1 - Dispositif pour controleurs de temperature - Google Patents

Dispositif pour controleurs de temperature

Info

Publication number
FR2331781A1
FR2331781A1 FR7631222A FR7631222A FR2331781A1 FR 2331781 A1 FR2331781 A1 FR 2331781A1 FR 7631222 A FR7631222 A FR 7631222A FR 7631222 A FR7631222 A FR 7631222A FR 2331781 A1 FR2331781 A1 FR 2331781A1
Authority
FR
France
Prior art keywords
temperature controllers
controllers
temperature
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.)
Withdrawn
Application number
FR7631222A
Other languages
English (en)
Inventor
Gudmar Hammarlund
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.)
ABB Norden Holding AB
Original Assignee
ASEA 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 ASEA AB filed Critical ASEA AB
Publication of FR2331781A1 publication Critical patent/FR2331781A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K7/00—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements
    • G01K7/16—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using resistive elements
    • G01K7/18—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using resistive elements the element being a linear resistance, e.g. platinum resistance thermometer
    • G01K7/20—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using resistive elements the element being a linear resistance, e.g. platinum resistance thermometer in a specially-adapted circuit, e.g. bridge circuit
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D3/00—Indicating or recording apparatus with provision for the special purposes referred to in the subgroups
    • G01D3/08—Indicating or recording apparatus with provision for the special purposes referred to in the subgroups with provision for safeguarding the apparatus, e.g. against abnormal operation, against breakdown
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K15/00—Testing or calibrating of thermometers

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Emergency Alarm Devices (AREA)
FR7631222A 1975-11-12 1976-10-18 Dispositif pour controleurs de temperature Withdrawn FR2331781A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE7512673A SE395059B (sv) 1975-11-12 1975-11-12 Anordning for indikering av avbrott i metkretsen vid motstandstermometrar i termovakter

Publications (1)

Publication Number Publication Date
FR2331781A1 true FR2331781A1 (fr) 1977-06-10

Family

ID=20326054

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7631222A Withdrawn FR2331781A1 (fr) 1975-11-12 1976-10-18 Dispositif pour controleurs de temperature

Country Status (7)

Country Link
CH (1) CH608101A5 (fr)
DE (1) DE2648599A1 (fr)
FI (1) FI763224A (fr)
FR (1) FR2331781A1 (fr)
GB (1) GB1562429A (fr)
NO (1) NO763817L (fr)
SE (1) SE395059B (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2405462A1 (fr) * 1977-10-05 1979-05-04 Interatom Dispositif pour la correction du retard intervenant dans les chaines de mesure

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5856006A (ja) * 1981-09-29 1983-04-02 Sharp Corp 温度調節器の故障検出方法

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2728904A (en) * 1954-06-29 1955-12-27 Arthur J Waldorf Supervised fire detection and alarm system
US3176284A (en) * 1963-09-27 1965-03-30 Specialties Dev Corp System responsive to plural conditions with false indication prevention
US3699569A (en) * 1972-01-28 1972-10-17 Minnesota Mining & Mfg Security system for indicating fire, intrusion or the like
US3836854A (en) * 1973-07-02 1974-09-17 Lorain Prod Corp Alarm circuit for monitoring the amplitude of a-c voltages
US3839711A (en) * 1970-04-02 1974-10-01 Minnesota Mining & Mfg Security system and control circuit

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2728904A (en) * 1954-06-29 1955-12-27 Arthur J Waldorf Supervised fire detection and alarm system
US3176284A (en) * 1963-09-27 1965-03-30 Specialties Dev Corp System responsive to plural conditions with false indication prevention
US3839711A (en) * 1970-04-02 1974-10-01 Minnesota Mining & Mfg Security system and control circuit
US3699569A (en) * 1972-01-28 1972-10-17 Minnesota Mining & Mfg Security system for indicating fire, intrusion or the like
US3836854A (en) * 1973-07-02 1974-09-17 Lorain Prod Corp Alarm circuit for monitoring the amplitude of a-c voltages

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2405462A1 (fr) * 1977-10-05 1979-05-04 Interatom Dispositif pour la correction du retard intervenant dans les chaines de mesure

Also Published As

Publication number Publication date
NO763817L (fr) 1977-05-13
CH608101A5 (en) 1978-12-15
DE2648599A1 (de) 1977-05-26
FI763224A (fr) 1977-05-13
SE395059B (sv) 1977-07-25
SE7512673L (sv) 1977-05-13
GB1562429A (en) 1980-03-12

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Legal Events

Date Code Title Description
RE Withdrawal of published application