JPH029829U - - Google Patents

Info

Publication number
JPH029829U
JPH029829U JP8798388U JP8798388U JPH029829U JP H029829 U JPH029829 U JP H029829U JP 8798388 U JP8798388 U JP 8798388U JP 8798388 U JP8798388 U JP 8798388U JP H029829 U JPH029829 U JP H029829U
Authority
JP
Japan
Prior art keywords
electromagnetic flowmeter
fluid temperature
rest period
current
excites
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
JP8798388U
Other languages
English (en)
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 filed Critical
Priority to JP8798388U priority Critical patent/JPH029829U/ja
Publication of JPH029829U publication Critical patent/JPH029829U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Measuring Volume Flow (AREA)

Description

【図面の簡単な説明】
第1図は本考案による電磁流量計の励磁回路の
一実施例を示す回路図、第2図は一般的な電磁流
量計を示す回路図、第3図は従来の励磁回路およ
び本考案による励磁回路の一実施例の動作を説明
するためのタイムチヤート、第4図は従来の励磁
回路を示す回路図である。 2…励磁コイル、A4〜A7…演算増幅器、S
1〜S4…スイツチ、E1,E2…励磁電源、E
3…バイアス電源、ES…基準電源、Q1〜Q3
…トランジスタ、TX,TY…出力端子、R1〜
R9…抵抗、C1,C2…コンデンサ。

Claims (1)

    【実用新案登録請求の範囲】
  1. 休止区間付きの矩形波電流で励磁する方式の電
    磁流量計において、測定に必要な励磁電流とは別
    に一定のバイアス電流を供給するバイアス回路を
    備え、前記休止区間に励磁コイルに印加されるコ
    イル電圧を測定して流体温度変化を検知する電磁
    流量計。
JP8798388U 1988-07-04 1988-07-04 Pending JPH029829U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8798388U JPH029829U (ja) 1988-07-04 1988-07-04

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8798388U JPH029829U (ja) 1988-07-04 1988-07-04

Publications (1)

Publication Number Publication Date
JPH029829U true JPH029829U (ja) 1990-01-22

Family

ID=31312568

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8798388U Pending JPH029829U (ja) 1988-07-04 1988-07-04

Country Status (1)

Country Link
JP (1) JPH029829U (ja)

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