CA1091987A - Hygrometre - Google Patents

Hygrometre

Info

Publication number: CA1091987A
Authority: CA; Canada
Prior art keywords: chamber; indicator; moisture; soil; chambers
Prior art date: 1976-11-24
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

CA291,278A

Other languages

English (en)

Inventor

Bernard Slepak

John E. Tucker

William P. Heinrich

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.)

Individual

Original Assignee

Individual

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.)

1976-11-24

Filing date

1977-11-21

Publication date

1980-12-23

1977-11-21 Application filed by Individual filed Critical Individual

1980-12-23 Application granted granted Critical

1980-12-23 Publication of CA1091987A publication Critical patent/CA1091987A/fr

Status Expired legal-status Critical Current

Links

239000002689 soil Substances 0.000 claims abstract description 65
239000000463 material Substances 0.000 claims abstract description 37
239000000203 mixture Substances 0.000 claims abstract description 29
239000012298 atmosphere Substances 0.000 claims abstract description 17
239000012528 membrane Substances 0.000 claims description 21
GVPFVAHMJGGAJG-UHFFFAOYSA-L cobalt dichloride Chemical compound [Cl-].[Cl-].[Co+2] GVPFVAHMJGGAJG-UHFFFAOYSA-L 0.000 claims description 16
238000004891 communication Methods 0.000 claims description 5
ZNNZYHKDIALBAK-UHFFFAOYSA-M potassium thiocyanate Chemical compound [K+].[S-]C#N ZNNZYHKDIALBAK-UHFFFAOYSA-M 0.000 claims description 5
229940116357 potassium thiocyanate Drugs 0.000 claims description 5
150000003567 thiocyanates Chemical class 0.000 claims description 4
239000012780 transparent material Substances 0.000 claims description 4
239000007864 aqueous solution Substances 0.000 claims description 2
ALWXETURCOIGIZ-UHFFFAOYSA-N 1-nitropropylbenzene Chemical compound CCC([N+]([O-])=O)C1=CC=CC=C1 ALWXETURCOIGIZ-UHFFFAOYSA-N 0.000 claims 1
VGTPCRGMBIAPIM-UHFFFAOYSA-M sodium thiocyanate Chemical compound [Na+].[S-]C#N VGTPCRGMBIAPIM-UHFFFAOYSA-M 0.000 claims 1
230000002745 absorbent Effects 0.000 abstract description 11
239000002250 absorbent Substances 0.000 abstract description 11
238000003780 insertion Methods 0.000 abstract description 2
230000037431 insertion Effects 0.000 abstract description 2
241000196324 Embryophyta Species 0.000 description 32
210000005243 upper chamber Anatomy 0.000 description 23
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 17
238000000034 method Methods 0.000 description 7
239000000243 solution Substances 0.000 description 5
230000006866 deterioration Effects 0.000 description 3
238000001704 evaporation Methods 0.000 description 3
FAPWRFPIFSIZLT-UHFFFAOYSA-M sodium chloride Inorganic materials [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 3
230000000007 visual effect Effects 0.000 description 3
UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 description 2
DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 2
239000003795 chemical substances by application Substances 0.000 description 2
150000001869 cobalt compounds Chemical class 0.000 description 2
230000001419 dependent effect Effects 0.000 description 2
230000007613 environmental effect Effects 0.000 description 2
230000008020 evaporation Effects 0.000 description 2
230000035945 sensitivity Effects 0.000 description 2
239000011780 sodium chloride Substances 0.000 description 2
239000002904 solvent Substances 0.000 description 2
239000000126 substance Substances 0.000 description 2
241000985694 Polypodiopsida Species 0.000 description 1
ZMZDMBWJUHKJPS-UHFFFAOYSA-M Thiocyanate anion Chemical compound [S-]C#N ZMZDMBWJUHKJPS-UHFFFAOYSA-M 0.000 description 1
150000001450 anions Chemical class 0.000 description 1
239000001110 calcium chloride Substances 0.000 description 1
229910001628 calcium chloride Inorganic materials 0.000 description 1
159000000007 calcium salts Chemical class 0.000 description 1
150000001768 cations Chemical class 0.000 description 1
239000003086 colorant Substances 0.000 description 1
239000010432 diamond Substances 0.000 description 1
230000000694 effects Effects 0.000 description 1
ZMZDMBWJUHKJPS-UHFFFAOYSA-N hydrogen thiocyanate Natural products SC#N ZMZDMBWJUHKJPS-UHFFFAOYSA-N 0.000 description 1
238000005470 impregnation Methods 0.000 description 1
150000002500 ions Chemical class 0.000 description 1
238000004519 manufacturing process Methods 0.000 description 1
230000003204 osmotic effect Effects 0.000 description 1
230000000452 restraining effect Effects 0.000 description 1
230000000717 retained effect Effects 0.000 description 1
239000011435 rock Substances 0.000 description 1
150000003839 salts Chemical class 0.000 description 1
238000009738 saturating Methods 0.000 description 1
239000011734 sodium Substances 0.000 description 1
229910052708 sodium Inorganic materials 0.000 description 1
239000013589 supplement Substances 0.000 description 1

Classifications

- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G25/00—Watering gardens, fields, sports grounds or the like
- A01G25/16—Control of watering
- A01G25/167—Control by humidity of the soil itself or of devices simulating soil or of the atmosphere; Soil humidity sensors
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N31/00—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods
- G01N31/22—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods using chemical indicators
- G01N31/222—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods using chemical indicators for investigating moisture content

Landscapes

Life Sciences & Earth Sciences (AREA)
Health & Medical Sciences (AREA)
Physics & Mathematics (AREA)
Chemical & Material Sciences (AREA)
Environmental Sciences (AREA)
Biophysics (AREA)
Engineering & Computer Science (AREA)
Molecular Biology (AREA)
Soil Sciences (AREA)
Water Supply & Treatment (AREA)
Analytical Chemistry (AREA)
Biochemistry (AREA)
General Health & Medical Sciences (AREA)
General Physics & Mathematics (AREA)
Immunology (AREA)
Pathology (AREA)
Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)

CA291,278A 1976-11-24 1977-11-21 Hygrometre Expired CA1091987A (fr)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US74473876A	1976-11-24	1976-11-24
US744,738		1976-11-24

Publications (1)

Publication Number	Publication Date
CA1091987A true CA1091987A (fr)	1980-12-23

Family

ID=24993810

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA291,278A Expired CA1091987A (fr)	1976-11-24	1977-11-21	Hygrometre

Country Status (7)

Country	Link
JP (1)	JPS5374095A (fr)
BE (1)	BE861156A (fr)
CA (1)	CA1091987A (fr)
DE (1)	DE2752508C2 (fr)
FR (1)	FR2372433A1 (fr)
GB (1)	GB1556577A (fr)
NL (1)	NL189480C (fr)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE3911151A1 (de) *	1989-04-06	1990-10-11	Joachim Schmidt	Messgeraet zur bestimmung von bodeneigenschaften
FR2665049B1 (fr) *	1990-07-26	1993-12-03	Michel Chamoulaud	Procede pour determiner la quantite d'eau necessaire a un substrat de culture et bac de culture adaptee a son utilisation.
GB9019377D0 (en) *	1990-09-05	1990-10-17	Hettiaratchi Daniel B P	Irrigation sensor device
DE102009019901A1 (de) *	2009-05-04	2011-03-03	Pawel Alexander Adamczyk	Gerät zur Messung der Feuchtigkeit von Pflanzenerde
JP5692826B2 (ja) *	2013-06-06	2015-04-01	キャビノチェ株式会社	土壌用水分インジケータ
CN103776982B (zh) *	2014-01-27	2015-09-16	甘肃省交通科学研究院有限公司	质量式岩土干湿循环实验装置及实验方法
DE102014226204A1 (de) *	2014-12-17	2016-06-23	Siemens Aktiengesellschaft	Verfahren und Anordnung zum Überwachen einerEinrichtung auf innere Zustandsänderungen
CN105784703B (zh) *	2014-12-24	2018-07-20	中国科学院大连化学物理研究所	一种不溶性纳米湿度指示材料及其制备与应用
CN105548472A (zh) *	2015-12-10	2016-05-04	廖健恒	一种用于室内的湿度监测系统
EP3680656A4 (fr) *	2017-09-08	2021-11-10	Cabinotier Co., Ltd.	Indicateur d'humidité du sol, unité de détection d'eau utilisée dans l'indicateur d'humidité du sol, boîtier de corps, procédé de fabrication d'unité de détection d'eau et procédé de fabrication d'indicateur d'humidité du sol

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2716338A (en) *	1954-04-08	1955-08-30	Welford C Blinn	Button type package humidity indicator
US2787238A (en) *	1955-04-04	1957-04-02	Richard W Luce	Hygrometric indicator
US3019638A (en) *	1959-11-02	1962-02-06	William F Klein	Moisture indicating device
US3702755A (en) *	1971-07-21	1972-11-14	Walter E Palmer	Moisture indicator for plants
US3951098A (en) *	1975-02-12	1976-04-20	Enviro-Gro, Inc.	House plant water content indicator

1977
- 1977-11-21 CA CA291,278A patent/CA1091987A/fr not_active Expired
- 1977-11-23 FR FR7735230A patent/FR2372433A1/fr active Granted
- 1977-11-23 NL NL7712911A patent/NL189480C/xx not_active IP Right Cessation
- 1977-11-23 GB GB4882577A patent/GB1556577A/en not_active Expired
- 1977-11-24 JP JP14105977A patent/JPS5374095A/ja active Granted
- 1977-11-24 BE BE182897A patent/BE861156A/fr not_active IP Right Cessation
- 1977-11-24 DE DE19772752508 patent/DE2752508C2/de not_active Expired

Also Published As

Publication number	Publication date
JPS6339865B2 (fr)	1988-08-08
FR2372433A1 (fr)	1978-06-23
FR2372433B3 (fr)	1980-08-14
GB1556577A (en)	1979-11-28
DE2752508C2 (de)	1987-01-22
JPS5374095A (en)	1978-07-01
NL7712911A (nl)	1978-05-26
DE2752508A1 (de)	1978-06-01
BE861156A (fr)	1978-03-16
NL189480C (nl)	1993-04-16

Legal Events

Date	Code	Title	Description
1997-12-23	MKEX	Expiry

Publication	Publication Date	Title
US4201080A (en)	1980-05-06	Moisture indicator
US3881873A (en)	1975-05-06	Moisture indicating probe and method of use
CA1091987A (fr)	1980-12-23	Hygrometre
Herwitz	1985	Interception storage capacities of tropical rainforest canopy trees
US3951098A (en)	1976-04-20	House plant water content indicator
US5168664A (en)	1992-12-08	Hydroculture growing system with improved light/water meter
Hughes et al.	1994	Dew and guttation: formation and environmental significance
US4063452A (en)	1977-12-20	Method and device for monitoring vapor concentration at a phase interface
Turner et al.	1998	Measurements of plant and soil water status and their association with leaf gas exchange in banana (Musa spp.): a laticiferous plant
HICKLENTON et al.	1978	Effects of greenhouse CO2 enrichment on the yield and photosynthetic physiology of tomato plants
Nobel et al.	1989	Soil O2 and CO2 effects on root respiration of cacti
Bannister	1964	The water relations of certain heath plants with reference to their ecological amplitude: III. Experimental studies: General conclusions
Juhren et al.	1957	The standardization of Poa annua as an indicator of smog concentrations. I. Effects of temperature, photoperiod, and light intensity during growth of the test-plants
Nielsen	1955	Studies on Enchytraeidae 5. Factors causing seasonal fluctuations in numbers
US5107621A (en)	1992-04-28	Hydroculture growing system with improved light/water meter
Womack	1984	Reduction in photosynthetic and transpiration rates of alfalfa caused by potato leafhopper (Homoptera: Cicadellidae) infestations
KR820000743B1 (ko)	1982-05-03	흙의 습도 표시계(soil moisture indicator)
Harris et al.	1916	Factors affecting the evaporation of moisture from the soil
Othieno	1980	Effects of mulches on soil water content and water status of tea plants in Kenya
Stolte	1996	Symptomology of ozone injury to pine foliage
JPH058522Y2 (fr)	1993-03-03
Heichel et al.	1973	Physiological responses of dogwood (Cornus florida) to infestation by the dogwood borer (Thamnosphecia scitula)
Heatherly et al.	1977	Water Relations and Growth of Soybeans in Drying Soil 1
SU1577722A1 (ru)	1990-07-15	Способ определени засухоустойчивости растений
Hart et al.	1969	Controlling transpiration in aspen with phenylmercuric acetate