JPH0285351U - - Google Patents

Info

Publication number
JPH0285351U
JPH0285351U JP16463388U JP16463388U JPH0285351U JP H0285351 U JPH0285351 U JP H0285351U JP 16463388 U JP16463388 U JP 16463388U JP 16463388 U JP16463388 U JP 16463388U JP H0285351 U JPH0285351 U JP H0285351U
Authority
JP
Japan
Prior art keywords
light
signal
systems
scattered
test water
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
JP16463388U
Other languages
Japanese (ja)
Other versions
JPH0738841Y2 (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 JP1988164633U priority Critical patent/JPH0738841Y2/en
Publication of JPH0285351U publication Critical patent/JPH0285351U/ja
Application granted granted Critical
Publication of JPH0738841Y2 publication Critical patent/JPH0738841Y2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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  • Investigating Or Analysing Materials By Optical Means (AREA)

Description

【図面の簡単な説明】[Brief explanation of drawings]

第1図は本考案に係る浮遊物濃度測定装置の一
実施例を示すブロツク図、第2図はSS濃度Sと
散乱光強度IFの関係を示す特性図、第3図はS
S濃度Sと演算結果の関係を示す特性図、第4図
は散乱光比較方式の原理動作を説明するための特
性曲線図、第5図は従来例を示すブロツク図であ
る。 1…光源、2N及び2F…受光器、3N及び3
F…増幅器、4…演算器、5…バイアス回路、W
…検水、X…SS、S…バイアス、b…IFの極
大値。
Fig. 1 is a block diagram showing an embodiment of the suspended matter concentration measuring device according to the present invention, Fig. 2 is a characteristic diagram showing the relationship between the SS concentration S and the scattered light intensity IF, and Fig. 3 is a diagram showing the relationship between the SS concentration S and the scattered light intensity IF.
FIG. 4 is a characteristic curve diagram showing the relationship between S concentration S and calculation results, FIG. 4 is a characteristic curve diagram for explaining the principle operation of the scattered light comparison method, and FIG. 5 is a block diagram showing a conventional example. 1...Light source, 2N and 2F...Receiver, 3N and 3
F...Amplifier, 4...Arithmetic unit, 5...Bias circuit, W
...Water test, X...SS, S...bias, b...maximum value of IF.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 検水中に光線を投射する光源と、検水中の浮遊
物で散乱された光を受光するよう、前記光源から
の距離が異なる2点に設置した2系の受光器と、
各受光信号を各々増幅する2系の増幅器と、両増
幅器の出力を受け、散乱光比較方式の所定の演算
を行う演算器と、演算式分母側信号系の増幅器の
入力に微少なバイアス信号を付与するバイアス回
路とを備えたことを特徴とする浮遊物濃度測定装
置。
A light source that projects a light beam into the test water, and two systems of light receivers installed at two different distances from the light source to receive the light scattered by floating objects in the test water;
Two systems of amplifiers amplify each received light signal, an arithmetic unit that receives the outputs of both amplifiers and performs predetermined calculations of the scattered light comparison method, and a minute bias signal is applied to the input of the amplifier of the signal system on the denominator side of the calculation formula. A suspended matter concentration measuring device characterized by comprising a bias circuit for applying.
JP1988164633U 1988-12-20 1988-12-20 Floating matter concentration measuring device Expired - Fee Related JPH0738841Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1988164633U JPH0738841Y2 (en) 1988-12-20 1988-12-20 Floating matter concentration measuring device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1988164633U JPH0738841Y2 (en) 1988-12-20 1988-12-20 Floating matter concentration measuring device

Publications (2)

Publication Number Publication Date
JPH0285351U true JPH0285351U (en) 1990-07-04
JPH0738841Y2 JPH0738841Y2 (en) 1995-09-06

Family

ID=31450415

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1988164633U Expired - Fee Related JPH0738841Y2 (en) 1988-12-20 1988-12-20 Floating matter concentration measuring device

Country Status (1)

Country Link
JP (1) JPH0738841Y2 (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5645100A (en) * 1979-09-19 1981-04-24 Hitachi Ltd Assembling base board guide mechanism
JPS5988616A (en) * 1982-11-12 1984-05-22 Nittan Co Ltd Digital converter for analog sensor output

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5645100A (en) * 1979-09-19 1981-04-24 Hitachi Ltd Assembling base board guide mechanism
JPS5988616A (en) * 1982-11-12 1984-05-22 Nittan Co Ltd Digital converter for analog sensor output

Also Published As

Publication number Publication date
JPH0738841Y2 (en) 1995-09-06

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Legal Events

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