JPH0171616U - - Google Patents
Info
- Publication number
- JPH0171616U JPH0171616U JP1987166421U JP16642187U JPH0171616U JP H0171616 U JPH0171616 U JP H0171616U JP 1987166421 U JP1987166421 U JP 1987166421U JP 16642187 U JP16642187 U JP 16642187U JP H0171616 U JPH0171616 U JP H0171616U
- Authority
- JP
- Japan
- Prior art keywords
- harmonic
- mass flow
- signal
- inputting
- fundamental frequency
- 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
Links
- 230000001360 synchronised effect Effects 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 4
- 239000002131 composite material Substances 0.000 description 1
Landscapes
- Measuring Volume Flow (AREA)
Description
第１図は本考案の具体的実施例である質量流量
指示器の校正装置のブロツク線図、第２図は第１
図の動作の説明に供する信号波形図、第３図は本
考案のその他の実施例を説明するための図、第４
図は従来の質量流量指示器の校正装置の概要説明
図である。
１……質量流量指示器（指示器）、４，４０…
…質量流量指示器の校正装置、４１……リフアレ
ンス信号を作る手段、４２……基本周波数に対し
て変化する第２高調波の模擬信号（模擬第２高調
波信号）を出力する手段、４７……シンクロ模擬
信号（模擬合成信号）を出力する手段。
Fig. 1 is a block diagram of a calibration device for a mass flow indicator which is a specific embodiment of the present invention, and Fig.
Figure 3 is a signal waveform diagram for explaining the operation of the present invention; Figure 3 is a diagram for explaining other embodiments of the present invention;
The figure is a schematic explanatory diagram of a conventional calibration device for a mass flow rate indicator. 1... Mass flow indicator (indicator), 4, 40...
...Calibration device for a mass flow rate indicator, 41... Means for generating a reference signal, 42... Means for outputting a simulated second harmonic signal (simulated second harmonic signal) that changes with respect to the fundamental frequency, 47... ...Means for outputting a synchronized simulated signal (simulated composite signal).
Claims (1)
を校正する質量流量指示器の校正装置において、
基本周波数を入力して第２高調波から成るリフア
レンス信号を作る手段と、前記リフアレンス信号
を一方の入力としマグネシンの回転子位置に相当
するデイジタル信号を他方の入力として前記基本
周波数に対して変化する第２高調波の模擬信号を
出力する手段と、該手段からの基本周波数に対し
て変化する第２高調波の模擬信号と前記基本周波
数とを入力して加算しシンクロ模擬信号を出力す
る手段と、を具備して成ることを特徴とする質量
流量指示器の校正装置。 In a mass flow indicator calibration device that calibrates the mass flow indicator indication using a synchronized simulated signal,
means for inputting a fundamental frequency to generate a reference signal consisting of a second harmonic; and a means for generating a reference signal consisting of a second harmonic by inputting the reference signal as one input and using a digital signal corresponding to the rotor position of the magnetine as the other input to vary with respect to the fundamental frequency. means for outputting a second harmonic simulated signal; and means for inputting and adding the second harmonic simulated signal that changes with respect to the fundamental frequency from the means, and outputting a synchronized simulated signal. A calibration device for a mass flow rate indicator, comprising:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16642187U JPH0524017Y2 (en) | 1987-10-30 | 1987-10-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16642187U JPH0524017Y2 (en) | 1987-10-30 | 1987-10-30 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0171616U true JPH0171616U (en) | 1989-05-12 |
| JPH0524017Y2 JPH0524017Y2 (en) | 1993-06-18 |
Family
ID=31453786
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16642187U Expired - Lifetime JPH0524017Y2 (en) | 1987-10-30 | 1987-10-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0524017Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013160649A (en) * | 2012-02-06 | 2013-08-19 | Yokogawa Electric Corp | Coriolis mass flowmeter |
-
1987
- 1987-10-30 JP JP16642187U patent/JPH0524017Y2/ja not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013160649A (en) * | 2012-02-06 | 2013-08-19 | Yokogawa Electric Corp | Coriolis mass flowmeter |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0524017Y2 (en) | 1993-06-18 |
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