JPS61140919U - - Google Patents
Info
- Publication number
- JPS61140919U JPS61140919U JP2534285U JP2534285U JPS61140919U JP S61140919 U JPS61140919 U JP S61140919U JP 2534285 U JP2534285 U JP 2534285U JP 2534285 U JP2534285 U JP 2534285U JP S61140919 U JPS61140919 U JP S61140919U
- Authority
- JP
- Japan
- Prior art keywords
- electrodes
- pair
- conduit
- electrode
- conductivity
- 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
Links
- 238000005259 measurement Methods 0.000 claims description 4
- 239000012530 fluid Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
Landscapes
- Measuring Volume Flow (AREA)
Description
図面は、この考案の一実施例を示す電磁流量計
の回路ブロツク図である。
１：測定管、２ａ，２ｂ：流量測定用の電極（
第１の電極）、３ａ，３ｂ：励磁コイル、７：Ｃ
ＰＵ、８：導電率測定回路、１４：導電率測定用
の電極（第２の電極）。
The drawing is a circuit block diagram of an electromagnetic flowmeter showing an embodiment of this invention. 1: Measuring tube, 2a, 2b: Electrode for flow rate measurement (
first electrode), 3a, 3b: excitation coil, 7: C
PU, 8: conductivity measurement circuit, 14: electrode for conductivity measurement (second electrode).
Claims (1)
の電極を設けるとともに、前記管軸及び第１の電
極の配置方向に各々垂直な方向に磁界を加え、前
記第１の一対の電極間に誘起される電圧信号によ
り、前記導管内を流れる流体流量を導出する電磁
流量計において、 電気導管内の前記第１の電極が設けられ位置と
は異なる位置に１個、他の位置に他の１つが配置
される第２の一対の電極と、この第２の一対の電
極間の導電率を測定する導電率測定回路とを備え
、この導電率測定回路で測定される導電率により
前記導管内の気相の有無を検出するようにしたこ
とを特徴とする電磁流量計。 (2) 前記第２の一対の電極の他の１つは、前記
第１の一対の電極の一方が兼用されるものである
実用新案登録請求の範囲第１項記載の電磁流量計
。[Claims for Utility Model Registration] (1) A first pair of electrodes are provided in a conduit in a direction perpendicular to the tube axis, and a magnetic field is provided in a direction perpendicular to the tube axis and the first electrode, respectively. an electromagnetic flowmeter that derives the flow rate of fluid flowing in the conduit by a voltage signal induced between the first pair of electrodes, wherein the first electrode in the electrical conduit is provided at a position different from that of the electric conduit. The conductivity measuring circuit includes a second pair of electrodes, one electrode being placed at one position and the other electrode being placed at another position, and a conductivity measurement circuit that measures the conductivity between the second pair of electrodes. An electromagnetic flowmeter characterized in that the presence or absence of a gas phase in the conduit is detected based on conductivity measured by a circuit. (2) The electromagnetic flowmeter according to claim 1, wherein the other one of the second pair of electrodes is also used as one of the first pair of electrodes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2534285U JPS61140919U (en) | 1985-02-22 | 1985-02-22 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2534285U JPS61140919U (en) | 1985-02-22 | 1985-02-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61140919U true JPS61140919U (en) | 1986-09-01 |
Family
ID=30520329
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2534285U Pending JPS61140919U (en) | 1985-02-22 | 1985-02-22 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61140919U (en) |
-
1985
- 1985-02-22 JP JP2534285U patent/JPS61140919U/ja active Pending
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