JPS5495268A - Strain gauge - Google Patents

Strain gauge

Info

Publication number
JPS5495268A
JPS5495268A JP115178A JP115178A JPS5495268A JP S5495268 A JPS5495268 A JP S5495268A JP 115178 A JP115178 A JP 115178A JP 115178 A JP115178 A JP 115178A JP S5495268 A JPS5495268 A JP S5495268A
Authority
JP
Japan
Prior art keywords
lead wires
strain gauge
washing tank
controlled
water
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.)
Pending
Application number
JP115178A
Other languages
Japanese (ja)
Inventor
Takashi Tazawa
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 JP115178A priority Critical patent/JPS5495268A/en
Publication of JPS5495268A publication Critical patent/JPS5495268A/en
Pending legal-status Critical Current

Links

Landscapes

  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)

Abstract

PURPOSE: To maintain initial condidtions always near constant as far as supply voltage does not fluctuate by providing a plurality of resistors having iso or hetero characteristics in proximity on the same substrate thereby constituting the strain gauge.
CONSTITUTION: Resistors 22 printed on a substrate 21 consist of two portions of different sections, provided with three lead wires 25 thru 27. The strain gauge 9 constituted in this way is mounted to the bottom 5 of a washing tank 1 and the lead wires 25, 27 are connected to a power source 16. Water pupply to the washing tank 1 is automatically controlled by the water supply solenoid valve 11 which is opened and closed by a solenoid 12. Namely, the gate 14 of a thyristor 13 is controlled by the voltage V between the lead wires 25, 26 when the tank bottom 5 makes elastic deformation and the water supply solenoid valve 11 is controlled by the solenoid 12. Thereby, the water level of the washing tank 1 is always kept at a normal level Ho.
COPYRIGHT: (C)1979,JPO&Japio
JP115178A 1978-01-11 1978-01-11 Strain gauge Pending JPS5495268A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP115178A JPS5495268A (en) 1978-01-11 1978-01-11 Strain gauge

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP115178A JPS5495268A (en) 1978-01-11 1978-01-11 Strain gauge

Publications (1)

Publication Number Publication Date
JPS5495268A true JPS5495268A (en) 1979-07-27

Family

ID=11493429

Family Applications (1)

Application Number Title Priority Date Filing Date
JP115178A Pending JPS5495268A (en) 1978-01-11 1978-01-11 Strain gauge

Country Status (1)

Country Link
JP (1) JPS5495268A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101058896B1 (en) * 2008-12-30 2011-08-23 주식회사 포스코 Melt Level Estimation System

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101058896B1 (en) * 2008-12-30 2011-08-23 주식회사 포스코 Melt Level Estimation System

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