JPH01117727U - - Google Patents
Info
- Publication number
- JPH01117727U JPH01117727U JP827388U JP827388U JPH01117727U JP H01117727 U JPH01117727 U JP H01117727U JP 827388 U JP827388 U JP 827388U JP 827388 U JP827388 U JP 827388U JP H01117727 U JPH01117727 U JP H01117727U
- Authority
- JP
- Japan
- Prior art keywords
- conduit
- differential pressure
- correction
- pressure flowmeter
- 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.)
- Pending
Links
- 239000012530 fluid Substances 0.000 claims 4
- 238000011144 upstream manufacturing Methods 0.000 claims 2
- 238000005259 measurement Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Description
第１図は本考案の一実施例の要部構成説明図、
第２図は従来より一般に使用されている従来例の
構成説明図である。
１…管路、１１…タンク、１２…開閉弁、２…
第一の差圧流量計、４…プラント装置、５…補正
管路、５１…定量ポンプ、５２…第二の差圧測定
装置、５２…補正手段。
FIG. 1 is an explanatory diagram of the main part configuration of an embodiment of the present invention,
FIG. 2 is a diagram illustrating the configuration of a conventional example that has been commonly used. 1...Pipe line, 11...Tank, 12...Opening/closing valve, 2...
First differential pressure flow meter, 4... Plant device, 5... Correction pipe line, 51... Metering pump, 52... Second differential pressure measuring device, 52... Correction means.
Claims (1)
て切替えて流される管路と、該管路に設けられ前
記測定流体の流量を測定する第一の差圧流量計と
を具備する差圧測定装置において、 前記第一の差圧流量計より上流側の前記管路に
一端が設けられ他端が更に上流側の前記管路に接
続される補正管路と、該補正管路の一端側に設け
られ常に一定流量の測定流体を該補正管路の他端
側に送る定量ポンプと、前記補正管路の他端側に
設けられた第二の差圧流量計と、該第二の差圧流
量計と前記第一の差圧流量計の測定値を比較演算
し測定流体の密度を計算して該第一の差圧流量計
の測定値に対して密度補正を行う補正手段とを具
備したことを特徴とする差圧測定装置。[Claims for Utility Model Registration] A conduit through which at least two or more types of fluids to be measured flow while being switched as necessary, and a first differential pressure flowmeter installed in the conduit to measure the flow rate of the fluid to be measured; A correction conduit having one end provided in the conduit upstream of the first differential pressure flowmeter and the other end connected to the conduit further upstream; a metering pump provided at one end of the conduit and always sending a constant flow rate of measurement fluid to the other end of the correction conduit; and a second differential pressure flowmeter provided at the other end of the correction conduit; Compare and calculate the measured values of the second differential pressure flowmeter and the first differential pressure flowmeter, calculate the density of the measured fluid, and perform density correction on the measured value of the first differential pressure flowmeter. A differential pressure measuring device characterized by comprising a correction means.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP827388U JPH01117727U (en) | 1988-01-26 | 1988-01-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP827388U JPH01117727U (en) | 1988-01-26 | 1988-01-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01117727U true JPH01117727U (en) | 1989-08-09 |
Family
ID=31214004
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP827388U Pending JPH01117727U (en) | 1988-01-26 | 1988-01-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01117727U (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5023668A (en) * | 1973-07-01 | 1975-03-13 | ||
| JPS5056260A (en) * | 1973-08-29 | 1975-05-16 | ||
| JPS50137160A (en) * | 1974-04-17 | 1975-10-31 | ||
| JPS585616A (en) * | 1982-06-29 | 1983-01-13 | Tokyo Daigaku | Flowmeter |
-
1988
- 1988-01-26 JP JP827388U patent/JPH01117727U/ja active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5023668A (en) * | 1973-07-01 | 1975-03-13 | ||
| JPS5056260A (en) * | 1973-08-29 | 1975-05-16 | ||
| JPS50137160A (en) * | 1974-04-17 | 1975-10-31 | ||
| JPS585616A (en) * | 1982-06-29 | 1983-01-13 | Tokyo Daigaku | Flowmeter |
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