JPS5640720A - Contact stylus type liquid level indicator - Google Patents

Contact stylus type liquid level indicator

Info

Publication number
JPS5640720A
JPS5640720A JP11675379A JP11675379A JPS5640720A JP S5640720 A JPS5640720 A JP S5640720A JP 11675379 A JP11675379 A JP 11675379A JP 11675379 A JP11675379 A JP 11675379A JP S5640720 A JPS5640720 A JP S5640720A
Authority
JP
Japan
Prior art keywords
insulator
liquid level
metal vapor
sticking
contact stylus
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
JP11675379A
Other languages
Japanese (ja)
Inventor
Kozo Shiratori
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 JP11675379A priority Critical patent/JPS5640720A/en
Publication of JPS5640720A publication Critical patent/JPS5640720A/en
Pending legal-status Critical Current

Links

Landscapes

  • Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)

Abstract

PURPOSE: To prevent malfunction by preventing the sticking of metal vapor to the insulation section.
CONSTITUTION: A given voltage is fed to the electrode 2 and the contact stylus 4 through the electric cable 1 by the electric power supply 20. The isolation of the electrode 2 with ground is kept with the insulator 5. The liquid metal 10 is grounded through the vessel 12, and the liquid level rises and it touches the contact stylus 4, then the closed circuit is formed and the indication of the ammeter 19 generates the detection signal of liquid level. To prevent the sticking of metal vapor on the surface of the insulator 5, power is fed to the electric heater 8 provided in the heating sleeve 9 and the current flowing to the electric heater 8 is controlled while measuring the temperature with the thermocouple 11, then the periphery of the insulator 5 and the heating sleeve 9 is heated to a given temperature. This temperature set is set higher than the atmospheric temperature including metal vapor, allowing to prevent the sticking of metal vapor to the insulator 5.
COPYRIGHT: (C)1981,JPO&Japio
JP11675379A 1979-09-13 1979-09-13 Contact stylus type liquid level indicator Pending JPS5640720A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11675379A JPS5640720A (en) 1979-09-13 1979-09-13 Contact stylus type liquid level indicator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11675379A JPS5640720A (en) 1979-09-13 1979-09-13 Contact stylus type liquid level indicator

Publications (1)

Publication Number Publication Date
JPS5640720A true JPS5640720A (en) 1981-04-17

Family

ID=14694894

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11675379A Pending JPS5640720A (en) 1979-09-13 1979-09-13 Contact stylus type liquid level indicator

Country Status (1)

Country Link
JP (1) JPS5640720A (en)

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