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JPS57149925A - Electronic balance - Google Patents

Electronic balance

Info

Publication number
JPS57149925A
JPS57149925A JP3584481A JP3584481A JPS57149925A JP S57149925 A JPS57149925 A JP S57149925A JP 3584481 A JP3584481 A JP 3584481A JP 3584481 A JP3584481 A JP 3584481A JP S57149925 A JPS57149925 A JP S57149925A
Authority
JP
Japan
Prior art keywords
density
sample
air
buoyancy
circuit
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
JP3584481A
Other languages
Japanese (ja)
Other versions
JPS645641B2 (en
Inventor
Akira Kawamoto
Shozo Yano
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.)
Shimadzu Corp
Shimazu Seisakusho KK
Original Assignee
Shimadzu Corp
Shimazu Seisakusho KK
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 Shimadzu Corp, Shimazu Seisakusho KK filed Critical Shimadzu Corp
Priority to JP3584481A priority Critical patent/JPS57149925A/en
Publication of JPS57149925A publication Critical patent/JPS57149925A/en
Publication of JPS645641B2 publication Critical patent/JPS645641B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01G—WEIGHING
    • G01G23/00—Auxiliary devices for weighing apparatus
    • G01G23/01—Testing or calibrating of weighing apparatus

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
  • Testing Of Balance (AREA)

Abstract

PURPOSE:To make the measurement of true mass with high accuracy possible by operating and correcting the buoyancy of air at all times when the density of a sample and the density of the atmospheric air change. CONSTITUTION:This balance is provided with a circuit 3 which operates the correction of the buoyancy of the air acting upon the sample, and a setter 4 which applies the density data of the sample to the circuit 3. The circuit 3 is introduced with the output (w) of a load to electricity converter 2 and corrects the buoyancy of the air in accordance with the density rhoS of the sample, the density (d) of a weight used for calibration of the sensitivity of the balance and the density rhoA of the atmospheric air.
JP3584481A 1981-03-11 1981-03-11 Electronic balance Granted JPS57149925A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3584481A JPS57149925A (en) 1981-03-11 1981-03-11 Electronic balance

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3584481A JPS57149925A (en) 1981-03-11 1981-03-11 Electronic balance

Publications (2)

Publication Number Publication Date
JPS57149925A true JPS57149925A (en) 1982-09-16
JPS645641B2 JPS645641B2 (en) 1989-01-31

Family

ID=12453287

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3584481A Granted JPS57149925A (en) 1981-03-11 1981-03-11 Electronic balance

Country Status (1)

Country Link
JP (1) JPS57149925A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63145922A (en) * 1986-12-10 1988-06-18 Ee & D:Kk Measuring apparatus having air density measuring mechanism
JPS63193021A (en) * 1987-02-06 1988-08-10 Ee & D:Kk Remote operation type electronic balance

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63145922A (en) * 1986-12-10 1988-06-18 Ee & D:Kk Measuring apparatus having air density measuring mechanism
JPS63193021A (en) * 1987-02-06 1988-08-10 Ee & D:Kk Remote operation type electronic balance

Also Published As

Publication number Publication date
JPS645641B2 (en) 1989-01-31

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