CA1102411A - Admittance measuring system for monitoring the condition of materials - Google Patents
Admittance measuring system for monitoring the condition of materialsInfo
- Publication number
- CA1102411A CA1102411A CA291,340A CA291340A CA1102411A CA 1102411 A CA1102411 A CA 1102411A CA 291340 A CA291340 A CA 291340A CA 1102411 A CA1102411 A CA 1102411A
- Authority
- CA
- Canada
- Prior art keywords
- admittance
- transmitter
- coupled
- probe
- voltage
- 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
Links
- 239000000463 material Substances 0.000 title claims abstract description 26
- 238000012544 monitoring process Methods 0.000 title abstract description 6
- 239000000523 sample Substances 0.000 claims abstract description 105
- 230000004044 response Effects 0.000 claims abstract description 7
- 230000005540 biological transmission Effects 0.000 claims description 15
- 238000001514 detection method Methods 0.000 claims description 8
- 238000002955 isolation Methods 0.000 claims description 6
- 230000008878 coupling Effects 0.000 claims description 4
- 238000010168 coupling process Methods 0.000 claims description 4
- 238000005859 coupling reaction Methods 0.000 claims description 4
- 230000011664 signaling Effects 0.000 claims description 4
- 238000007599 discharging Methods 0.000 claims description 2
- 230000003334 potential effect Effects 0.000 claims 1
- 239000003990 capacitor Substances 0.000 description 111
- 238000004804 winding Methods 0.000 description 19
- 239000000306 component Substances 0.000 description 14
- 230000000694 effects Effects 0.000 description 13
- 238000005259 measurement Methods 0.000 description 13
- 238000000576 coating method Methods 0.000 description 12
- 238000010586 diagram Methods 0.000 description 11
- 230000005669 field effect Effects 0.000 description 11
- 230000008859 change Effects 0.000 description 10
- 239000011248 coating agent Substances 0.000 description 9
- 230000001105 regulatory effect Effects 0.000 description 7
- 238000009413 insulation Methods 0.000 description 6
- 239000007788 liquid Substances 0.000 description 6
- 239000004020 conductor Substances 0.000 description 4
- 210000003127 knee Anatomy 0.000 description 3
- 230000003321 amplification Effects 0.000 description 2
- 238000003199 nucleic acid amplification method Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- QHGVXILFMXYDRS-UHFFFAOYSA-N pyraclofos Chemical compound C1=C(OP(=O)(OCC)SCCC)C=NN1C1=CC=C(Cl)C=C1 QHGVXILFMXYDRS-UHFFFAOYSA-N 0.000 description 2
- 238000011896 sensitive detection Methods 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- BSYNRYMUTXBXSQ-UHFFFAOYSA-N Aspirin Chemical compound CC(=O)OC1=CC=CC=C1C(O)=O BSYNRYMUTXBXSQ-UHFFFAOYSA-N 0.000 description 1
- 241001598984 Bromius obscurus Species 0.000 description 1
- NLZUEZXRPGMBCV-UHFFFAOYSA-N Butylhydroxytoluene Chemical compound CC1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1 NLZUEZXRPGMBCV-UHFFFAOYSA-N 0.000 description 1
- 101000657326 Homo sapiens Protein TANC2 Proteins 0.000 description 1
- 241000283986 Lepus Species 0.000 description 1
- 102100034784 Protein TANC2 Human genes 0.000 description 1
- 235000014787 Vitis vinifera Nutrition 0.000 description 1
- 240000006365 Vitis vinifera Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 150000001768 cations Chemical class 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052754 neon Inorganic materials 0.000 description 1
- GKAOGPIIYCISHV-UHFFFAOYSA-N neon atom Chemical compound [Ne] GKAOGPIIYCISHV-UHFFFAOYSA-N 0.000 description 1
- VIKNJXKGJWUCNN-XGXHKTLJSA-N norethisterone Chemical compound O=C1CC[C@@H]2[C@H]3CC[C@](C)([C@](CC4)(O)C#C)[C@@H]4[C@@H]3CCC2=C1 VIKNJXKGJWUCNN-XGXHKTLJSA-N 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 230000003071 parasitic effect Effects 0.000 description 1
- 230000010363 phase shift Effects 0.000 description 1
- 229920000136 polysorbate Polymers 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 230000001702 transmitter Effects 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
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)
Applications Claiming Priority (2)
| 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 |
| US743,618 | 1976-11-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1102411A true CA1102411A (en) | 1981-06-02 |
Family
ID=24989477
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA291,340A Expired CA1102411A (en) | 1976-11-22 | 1977-11-21 | Admittance measuring system for monitoring the condition of materials |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JPS5387254A (enrdf_load_stackoverflow) |
| CA (1) | CA1102411A (enrdf_load_stackoverflow) |
| DE (2) | DE2751864A1 (enrdf_load_stackoverflow) |
| GB (1) | GB1592700A (enrdf_load_stackoverflow) |
Families Citing this family (2)
| 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)
| 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 |
-
1977
- 1977-11-21 CA CA291,340A patent/CA1102411A/en not_active Expired
- 1977-11-21 DE DE19772751864 patent/DE2751864A1/de active Granted
- 1977-11-21 DE DE19772760460 patent/DE2760460C2/de not_active Expired - Lifetime
- 1977-11-22 GB GB4855977A patent/GB1592700A/en not_active Expired
- 1977-11-22 JP JP14055277A patent/JPS5387254A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5387254A (en) | 1978-08-01 |
| DE2751864C2 (enrdf_load_stackoverflow) | 1991-01-24 |
| GB1592700A (en) | 1981-07-08 |
| DE2751864A1 (de) | 1978-05-24 |
| DE2760460C2 (enrdf_load_stackoverflow) | 1991-07-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4146834A (en) | Admittance measuring system for monitoring the condition of materials | |
| US5424649A (en) | Soil moisture sensor | |
| US3993945A (en) | Measuring cells for measuring electrical conductivity of liquids | |
| US4347741A (en) | Control system for a capacitive level sensor | |
| US3421067A (en) | Battery charge controller utilizing coulometer | |
| EP0058181A1 (en) | LOW ENERGY TRANSMITTER. | |
| CA1068375A (en) | Transducer for converting a varying reactance signal to a dc current signal | |
| US4833393A (en) | Circuit arrangement for capacitance or admittance measurement | |
| CA1311268C (en) | Method and a taper charger for the resistance free charging of a rechargeable battery | |
| CA1102411A (en) | Admittance measuring system for monitoring the condition of materials | |
| US3988669A (en) | Automatic control and detector for three-terminal resistance measurement | |
| EP0070301B1 (en) | Reactance measurement circuit | |
| US4532510A (en) | Measuring apparatus having a sensor located remotely from its electricity power supply | |
| CA1250357A (en) | Three-terminal controller for fiber glass bushing | |
| JPS6447967A (en) | Element measuring apparatus | |
| EP0349168A2 (en) | Circuit element measuring apparatus | |
| US5495130A (en) | Point level switch | |
| US5317275A (en) | Conductance measurement circuit with wide dynamic range | |
| US4419660A (en) | Electric filter equipment | |
| US2363057A (en) | Electrical measuring device | |
| US3430141A (en) | Set-point apparatus powered in series with a sensor element | |
| SU851275A1 (ru) | Устройство дл сглаживани электрическихКОлЕбАНий | |
| Marsh et al. | The control of electrostatic atomization using a closed-loop system | |
| SU997016A1 (ru) | Устройство дл автоматической стабилизации электрической мощности в нагрузке | |
| SU493857A1 (ru) | Устройство дл автоматической компенсации емкостной составл ющей тока утечки |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |