JPS54103376A - Induction type level gauge - Google Patents

Induction type level gauge

Info

Publication number
JPS54103376A
JPS54103376A JP976478A JP976478A JPS54103376A JP S54103376 A JPS54103376 A JP S54103376A JP 976478 A JP976478 A JP 976478A JP 976478 A JP976478 A JP 976478A JP S54103376 A JPS54103376 A JP S54103376A
Authority
JP
Japan
Prior art keywords
correcting
induced voltage
level height
value
measured
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.)
Granted
Application number
JP976478A
Other languages
Japanese (ja)
Other versions
JPS5836729B2 (en
Inventor
Masaaki Hirayama
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.)
Toshiba Corp
Original Assignee
Toshiba Corp
Tokyo Shibaura Electric Co 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 Toshiba Corp, Tokyo Shibaura Electric Co Ltd filed Critical Toshiba Corp
Priority to JP976478A priority Critical patent/JPS5836729B2/en
Publication of JPS54103376A publication Critical patent/JPS54103376A/en
Publication of JPS5836729B2 publication Critical patent/JPS5836729B2/en
Expired legal-status Critical Current

Links

Landscapes

  • Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)

Abstract

PURPOSE: To measure the liquid level height accurately at high precision, by measuring the thermal expansion amount of the liquid being measured by effectively using electrical resistances having large and small temperature coefficients, and correcting the induced voltage of the secondary coil accordingly.
CONSTITUTION: The resistance Rx of a lead wire 8 may be determined in a signal processor circuit 12, and from this Rx value the amount Δl of thermal expansion from the probe top end to the coil part 5 may be calculated. Also at this time, the change in the secondary coil induced voltage due to difference in level height from a secondary winding 11b of a transformer 11 to the coil part 5 may be determined. Therefore, finding the level height of a liquid metal 2 from the change in the induced voltage, and correcting it with Δl, the level may be measured correctly. Meanwhile this signal processing may be performed easily by addition and subtraction of the measured value and correcting value.
COPYRIGHT: (C)1979,JPO&Japio
JP976478A 1978-01-31 1978-01-31 Inductive liquid level gauge Expired JPS5836729B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP976478A JPS5836729B2 (en) 1978-01-31 1978-01-31 Inductive liquid level gauge

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP976478A JPS5836729B2 (en) 1978-01-31 1978-01-31 Inductive liquid level gauge

Publications (2)

Publication Number Publication Date
JPS54103376A true JPS54103376A (en) 1979-08-14
JPS5836729B2 JPS5836729B2 (en) 1983-08-11

Family

ID=11729328

Family Applications (1)

Application Number Title Priority Date Filing Date
JP976478A Expired JPS5836729B2 (en) 1978-01-31 1978-01-31 Inductive liquid level gauge

Country Status (1)

Country Link
JP (1) JPS5836729B2 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5744805A (en) * 1980-08-29 1982-03-13 Mitsubishi Heavy Ind Ltd Distance detecting apparatus
JPS57175017U (en) * 1981-04-28 1982-11-05

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5744805A (en) * 1980-08-29 1982-03-13 Mitsubishi Heavy Ind Ltd Distance detecting apparatus
JPS57175017U (en) * 1981-04-28 1982-11-05

Also Published As

Publication number Publication date
JPS5836729B2 (en) 1983-08-11

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