BE861156A - HUMIDITY INDICATOR - Google Patents

HUMIDITY INDICATOR

Info

Publication number
BE861156A
BE861156A BE182897A BE182897A BE861156A BE 861156 A BE861156 A BE 861156A BE 182897 A BE182897 A BE 182897A BE 182897 A BE182897 A BE 182897A BE 861156 A BE861156 A BE 861156A
Authority
BE
Belgium
Prior art keywords
humidity indicator
humidity
indicator
Prior art date
Application number
BE182897A
Other languages
French (fr)
Original Assignee
Slepak Bernard
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 Slepak Bernard filed Critical Slepak Bernard
Publication of BE861156A publication Critical patent/BE861156A/en

Links

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)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • Biophysics (AREA)
  • Molecular Biology (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Soil Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Water Supply & Treatment (AREA)
  • Environmental Sciences (AREA)
  • Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
BE182897A 1976-11-24 1977-11-24 HUMIDITY INDICATOR BE861156A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US74473876A 1976-11-24 1976-11-24

Publications (1)

Publication Number Publication Date
BE861156A true BE861156A (en) 1978-03-16

Family

ID=24993810

Family Applications (1)

Application Number Title Priority Date Filing Date
BE182897A BE861156A (en) 1976-11-24 1977-11-24 HUMIDITY INDICATOR

Country Status (7)

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

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3911151A1 (en) * 1989-04-06 1990-10-11 Joachim Schmidt Measuring device for determining soil properties
FR2665049B1 (en) * 1990-07-26 1993-12-03 Michel Chamoulaud PROCESS FOR DETERMINING THE QUANTITY OF WATER REQUIRED FOR A CULTURE SUBSTRATE AND A CULTURE CONTAINER SUITABLE FOR ITS USE.
GB9019377D0 (en) * 1990-09-05 1990-10-17 Hettiaratchi Daniel B P Irrigation sensor device
DE102009019901A1 (en) * 2009-05-04 2011-03-03 Pawel Alexander Adamczyk Moisture measuring device for use in flower pot, has electrodes provided at conical measuring head, where measuring device displays deflection of optimal value based on plant type by potentiometer and result of deflection in flash
JP5692826B2 (en) * 2013-06-06 2015-04-01 キャビノチェ株式会社 Moisture indicator for soil
CN103776982B (en) * 2014-01-27 2015-09-16 甘肃省交通科学研究院有限公司 Quality formula ground drying and watering cycle experimental provision and experimental technique
DE102014226204A1 (en) * 2014-12-17 2016-06-23 Siemens Aktiengesellschaft A method and apparatus for monitoring a device for internal state changes
CN105784703B (en) * 2014-12-24 2018-07-20 中国科学院大连化学物理研究所 A kind of insoluble nm-humidity instruction material and its preparation and application
CN105548472A (en) * 2015-12-10 2016-05-04 廖健恒 Indoor humidity monitoring system
WO2019050037A1 (en) * 2017-09-08 2019-03-14 キャビノチェ株式会社 Soil moisture indicator, water detection unit used in soil moisture indicator, body case, manufacturing method for water detection unit, and manufacturing method for soil moisture indicator

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

Also Published As

Publication number Publication date
GB1556577A (en) 1979-11-28
FR2372433A1 (en) 1978-06-23
NL189480C (en) 1993-04-16
FR2372433B3 (en) 1980-08-14
DE2752508A1 (en) 1978-06-01
JPS5374095A (en) 1978-07-01
JPS6339865B2 (en) 1988-08-08
DE2752508C2 (en) 1987-01-22
CA1091987A (en) 1980-12-23
NL7712911A (en) 1978-05-26

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: SLEPAK BERNARD

Effective date: 19901130