GB1592700A - Two-wire transmitter for use in an admittance measuring system for monitoring the condition of materials - Google Patents

Two-wire transmitter for use in an admittance measuring system for monitoring the condition of materials Download PDF

Info

Publication number
GB1592700A
GB1592700A GB4855977A GB4855977A GB1592700A GB 1592700 A GB1592700 A GB 1592700A GB 4855977 A GB4855977 A GB 4855977A GB 4855977 A GB4855977 A GB 4855977A GB 1592700 A GB1592700 A GB 1592700A
Authority
GB
United Kingdom
Prior art keywords
admittance
transmitter
coupled
current
output
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.)
Expired
Application number
GB4855977A
Other languages
English (en)
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.)
Drexelbrook Controls Inc
Original Assignee
Drexelbrook Controls Inc
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
Priority claimed from US05/743,618 external-priority patent/US4146834A/en
Application filed by Drexelbrook Controls Inc filed Critical Drexelbrook Controls Inc
Publication of GB1592700A publication Critical patent/GB1592700A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
    • G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
  • Measurement Of Resistance Or Impedance (AREA)
GB4855977A 1976-11-22 1977-11-22 Two-wire transmitter for use in an admittance measuring system for monitoring the condition of materials Expired GB1592700A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/743,618 US4146834A (en) 1974-09-19 1976-11-22 Admittance measuring system for monitoring the condition of materials

Publications (1)

Publication Number Publication Date
GB1592700A true GB1592700A (en) 1981-07-08

Family

ID=24989477

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4855977A Expired GB1592700A (en) 1976-11-22 1977-11-22 Two-wire transmitter for use in an admittance measuring system for monitoring the condition of materials

Country Status (4)

Country Link
JP (1) JPS5387254A (fr)
CA (1) CA1102411A (fr)
DE (2) DE2751864A1 (fr)
GB (1) GB1592700A (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3729031A1 (de) * 1987-08-31 1989-03-16 Ver Foerderung Inst Kunststoff Verfahren zur messung von dielektrischen materialeigenschaften
SI9200073A (sl) * 1992-05-06 1993-12-31 Andrej Zatler Nivojsko stikalo

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3706980A (en) * 1970-04-27 1972-12-19 Drexelbrook Controls Rf system for measuring the level of materials
US3679938A (en) * 1970-09-29 1972-07-25 Westinghouse Electric Corp Electrical disconnector
US3781672A (en) * 1971-05-10 1973-12-25 Drexelbrook Controls Continuous condition measuring system
US3807231A (en) 1971-07-01 1974-04-30 R Spaw Automatic level measuring and control system
US3993947A (en) * 1974-09-19 1976-11-23 Drexelbrook Controls, Inc. Admittance measuring system for monitoring the condition of materials
JPS5840125B2 (ja) * 1974-11-25 1983-09-03 株式会社島津製作所 セイデンヨウリヨウ − チヨクリユウデンアツヘンカンソウチ

Also Published As

Publication number Publication date
DE2751864C2 (fr) 1991-01-24
JPS5387254A (en) 1978-08-01
DE2760460C2 (fr) 1991-07-25
DE2751864A1 (de) 1978-05-24
CA1102411A (fr) 1981-06-02

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19931122