JPH0429866U

JPH0429866U -

Info

Publication number: JPH0429866U
Application number: JP10574790U
Authority: JP
Priority date: 1990-05-29
Filing date: 1990-10-08
Publication date: 1992-03-10
Anticipated expiration: 2005-10-08
Also published as: JPH089633Y2

Description

[Brief explanation of drawings]

第１図は本考案の水質測定装置の具体的一実施
例を示す構造斜視図、第２図は本考案のその他の
実施例を説明するための窓の汚れと比較セル出力
の関係を示す図、第３図は従来の水質測定装置の
説明に供する図である。１……光源、２ａ，２ｂ，６ａ，６ｂ……光学
的手段（ミラー）、５……チヨツパ、７……デイ
テクタ、８０……ケース、８０ａ……本体筺体、
８０ｂ……蓋。 Fig. 1 is a structural perspective view showing a specific embodiment of the water quality measuring device of the present invention, and Fig. 2 is a diagram showing the relationship between window dirt and comparison cell output for explaining another embodiment of the present invention. , FIG. 3 is a diagram for explaining a conventional water quality measuring device. DESCRIPTION OF SYMBOLS 1...Light source, 2a, 2b, 6a, 6b...Optical means (mirror), 5...Chiyotsupa, 7...Detector, 80...Case, 80a...Main housing,
80b...Lid.

Claims

[Claims for Utility Model Registration] (1) In a water quality measuring device that measures water quality from transmittance using an optical means, a flow cell, and a detector that detects light after passing through the flow cell, A case having a structure with a lid that can be opened and closed is used, the optical means is provided inside the main body housing, and the optical means is arranged and determined based on the relationship with the optical means inside the lid. A flow cell is assembled and fixed, and a connector for supplying liquid to the flow cell and discharging liquid from the flow cell is attached and fixed to the outside of the lid, and the connector is used to easily open and close the lid. A water quality measuring device characterized by having a structure that uses flexible piping means for measuring water quality. (2) In a water quality measuring device that measures water quality from transmittance using an optical means, a flow cell, and a detector that detects light after passing through the flow cell, the flow cell has an entrance window and an exit window, and a liquid to be measured is contained inside. a measuring cell having a cell having a predetermined optical path length that can satisfy the above-mentioned conditions; and a measuring cell that is integrally connected to the measuring cell using a connecting means, has an entrance window and an exit window, and has an object to be measured that is the same as the measuring cell inside. A comparison cell has a two-light path configuration consisting of a cell that can be filled with a liquid and has an optical path length shorter than the cell length of the measurement cell, and a filter is attached to the rear stage of the flow cell so that the wavelengths transmitted through the two light paths are at least two different wavelengths. The configuration is such that the two wavelengths after passing through the filter wheel can be detected by the detector, and from the detection output ratio of the detector, it is possible to determine the difference between the entrance window and the exit window of the flow cell due to the difference in the two wavelengths. A water quality measuring device characterized in that it is configured to detect the degree of dirt on the window based on the difference in attenuation to dirt.