JPH0353570B2 - - Google Patents

Info

Publication number
JPH0353570B2
JPH0353570B2 JP56007833A JP783381A JPH0353570B2 JP H0353570 B2 JPH0353570 B2 JP H0353570B2 JP 56007833 A JP56007833 A JP 56007833A JP 783381 A JP783381 A JP 783381A JP H0353570 B2 JPH0353570 B2 JP H0353570B2
Authority
JP
Japan
Prior art keywords
hydrogen concentration
output
time
water
changes
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 - Lifetime
Application number
JP56007833A
Other languages
English (en)
Japanese (ja)
Other versions
JPS57122335A (en
Inventor
Tatsuo Hamada
Noboru Nakao
Yoshinori Mae
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.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP56007833A priority Critical patent/JPS57122335A/ja
Publication of JPS57122335A publication Critical patent/JPS57122335A/ja
Publication of JPH0353570B2 publication Critical patent/JPH0353570B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M3/00—Investigating fluid-tightness of structures
    • G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
    • G01M3/26—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Monitoring And Testing Of Nuclear Reactors (AREA)
  • Examining Or Testing Airtightness (AREA)
JP56007833A 1981-01-23 1981-01-23 Water leakage sensing device Granted JPS57122335A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56007833A JPS57122335A (en) 1981-01-23 1981-01-23 Water leakage sensing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56007833A JPS57122335A (en) 1981-01-23 1981-01-23 Water leakage sensing device

Publications (2)

Publication Number Publication Date
JPS57122335A JPS57122335A (en) 1982-07-30
JPH0353570B2 true JPH0353570B2 (enrdf_load_stackoverflow) 1991-08-15

Family

ID=11676598

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56007833A Granted JPS57122335A (en) 1981-01-23 1981-01-23 Water leakage sensing device

Country Status (1)

Country Link
JP (1) JPS57122335A (enrdf_load_stackoverflow)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5415434B2 (enrdf_load_stackoverflow) * 1974-06-14 1979-06-14
JPS5137683A (ja) * 1974-09-27 1976-03-30 Hitachi Ltd Jokiriikukenshutsuhoshiki
FR2366379A1 (fr) * 1976-09-30 1978-04-28 Mecanique Soc Ind De Procede d'application d'un revetement reflechissant sur une surface metallique et surface obtenue par la mise en oeuvre du procede

Also Published As

Publication number Publication date
JPS57122335A (en) 1982-07-30

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