GB1297156A - - Google Patents
Info
- Publication number
- GB1297156A GB1297156A GB1297156DA GB1297156A GB 1297156 A GB1297156 A GB 1297156A GB 1297156D A GB1297156D A GB 1297156DA GB 1297156 A GB1297156 A GB 1297156A
- Authority
- GB
- United Kingdom
- Prior art keywords
- probes
- pasture
- connections
- switch
- group
- 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
- 239000000523 sample Substances 0.000 abstract 6
- 240000004658 Medicago sativa Species 0.000 abstract 1
- 230000035559 beat frequency Effects 0.000 abstract 1
- 239000004020 conductor Substances 0.000 abstract 1
- 239000013078 crystal Substances 0.000 abstract 1
- 238000012986 modification Methods 0.000 abstract 1
- 230000004048 modification Effects 0.000 abstract 1
- 229920003023 plastic Polymers 0.000 abstract 1
- 239000004033 plastic Substances 0.000 abstract 1
Classifications
-
- 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
- G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
- G01N27/22—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating capacitance
- G01N27/223—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating capacitance for determining moisture content, e.g. humidity
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (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 |
---|---|---|---|
AU46099/68A AU4609968A (en) | 1968-11-11 | 1968-11-11 | Measurement of moisture |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1297156A true GB1297156A (enrdf_load_stackoverflow) | 1972-11-22 |
Family
ID=3733187
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1297156D Expired GB1297156A (enrdf_load_stackoverflow) | 1968-11-11 | 1969-11-10 |
Country Status (2)
Country | Link |
---|---|
AU (1) | AU4609968A (enrdf_load_stackoverflow) |
GB (1) | GB1297156A (enrdf_load_stackoverflow) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1982004321A1 (en) * | 1981-06-05 | 1982-12-09 | Matti Gunnar Wilska | Method and apparatus for the measurement of moisture or water content |
FR2598810A1 (fr) * | 1986-02-18 | 1987-11-20 | Miorcec De Kerdanet Ronan | Capteur permettant la mesure de l'etat hydrique des sols ou des supports de culture |
EP0255817A3 (de) * | 1986-08-06 | 1988-11-30 | Maschinenfabrik Heid Aktiengesellschaft | Vorrichtung zur Messung der relativen Feuchte von Erntegut in einem Trocknungsbehälter |
GB2222683A (en) * | 1988-08-17 | 1990-03-14 | Hydramotion Ltd | Device for moisture measurement of particulate material |
EP0392639A3 (en) * | 1989-04-13 | 1991-04-03 | Rockwool/ Grodan B.V. | Method and device for measuring the moisture content of a substrate for growing |
-
1968
- 1968-11-11 AU AU46099/68A patent/AU4609968A/en not_active Expired
-
1969
- 1969-11-10 GB GB1297156D patent/GB1297156A/en not_active Expired
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1982004321A1 (en) * | 1981-06-05 | 1982-12-09 | Matti Gunnar Wilska | Method and apparatus for the measurement of moisture or water content |
FR2598810A1 (fr) * | 1986-02-18 | 1987-11-20 | Miorcec De Kerdanet Ronan | Capteur permettant la mesure de l'etat hydrique des sols ou des supports de culture |
EP0255817A3 (de) * | 1986-08-06 | 1988-11-30 | Maschinenfabrik Heid Aktiengesellschaft | Vorrichtung zur Messung der relativen Feuchte von Erntegut in einem Trocknungsbehälter |
GB2222683A (en) * | 1988-08-17 | 1990-03-14 | Hydramotion Ltd | Device for moisture measurement of particulate material |
US5023560A (en) * | 1988-08-17 | 1991-06-11 | Gallagher John G | Device for moisture measurement of particulate material |
GB2222683B (en) * | 1988-08-17 | 1992-04-15 | Hydramotion Ltd | Device for moisture measurement of particulate material |
EP0392639A3 (en) * | 1989-04-13 | 1991-04-03 | Rockwool/ Grodan B.V. | Method and device for measuring the moisture content of a substrate for growing |
Also Published As
Publication number | Publication date |
---|---|
AU4609968A (en) | 1971-05-13 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
ATE304T1 (de) | Mikrowellenfeuchtemessgeraet mit umschaltbaren messbereichen. | |
GB1297156A (enrdf_load_stackoverflow) | ||
IT979926B (it) | Disposizione circuitale per convertire lo sbilanciamento di un circuito a ponte in una variazione di frequenza | |
US2451320A (en) | Frequency measuring system | |
ES415220A1 (es) | Dispositivo de medicion en continuo de la variacion de una funcion de forma hiperbolica o exponencial. | |
SU118636A1 (ru) | Устройство дл измерени влажности поверхности твердых тел | |
GB1111384A (en) | Microwave apparatus for measuring moisture content | |
SHLIAKHOV | APZ-2 daytime actinometric radiosonde of the Central Aerological Observatory(APZ-2 daytime actinometric radiosonde measuring long wave radiation balance in presence of short wave solar radiation) | |
SU319270A1 (enrdf_load_stackoverflow) | ||
SLJAHOV et al. | New instruments for radiation measurements in the atmosphere(Balance meter for measuring long wave radiation balance and its components in earth atmosphere) | |
GB880944A (en) | Improvements in or relating to variable-frequency radiosondes | |
SU462139A1 (ru) | Устройство дл измерени пиковой мощности импульсного сигнала | |
TANK | The measurement of integrated refractivity for evaluating atmosphere-induced radar ranging errors(Active infrared and passive microwave instruments for measuring integrated refractivity in evaluating atmosphere-induced radar range errors) | |
SU905755A1 (ru) | Влагомер | |
SU120937A1 (ru) | Электронный влагомер | |
DIXON | Semiconductor conductivity using a high sensitivity technique(Measurement of changes in conductivity of semiconductor samples using reflection cavity technique)[M. S. Thesis- Monmouth Coll., West Long Beach, N. J.] | |
SU371494A1 (ru) | Электронный влагомер | |
SU140247A1 (ru) | Устройство дл измерени влажности, например, почвы | |
SU362262A1 (ru) | Устройство для измерения малых потерь мощности во взаимных четырехполюсниках | |
JPS5288388A (en) | Humidity measuring device | |
SU669279A1 (ru) | Измеритель влажности | |
YOSHIKAZU et al. | Glass filter electrical moisture block and self-recording moisture meter for measuring soil moisture(Glass-filter electrical resistance block for measuring broad range of soil moisture) | |
AUCKLAND | Dial Pack dust cloud data analysis(Microwave radiometer measurements at 10. 2 and 30 GHz on dust clouds during Event Dial Pack, July 1970)[Final Report] | |
GROSSMAN et al. | Distant-reading soil thermometer(Design and operating characteristics of remote-reading electric soil thermometer) | |
GROENINGER | Hygrometry for the study of electical moisture measurements(computerized electronic moisture meters)[Ph. D. Thesis] |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed | ||
PLNP | Patent lapsed through nonpayment of renewal fees |