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micro photometer

A photometer and light source technology, applied in the field of photometers, can solve problems such as insufficient, low absorbing substances, low light intensity, etc.

Active Publication Date: 2018-11-30
BURKERT WERKE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] In solutions known from the prior art, it has been found that the irradiation of light through the walls of the light-transmissive container has the disadvantage of reducing the light intensity
This makes it impossible to use a light source with a low light intensity or to detect very low concentrations of absorbing species, since the light intensity, weakened when entering through the first axial container wall, is not sufficient for this detection

Method used

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Examples

Experimental program
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Embodiment Construction

[0034] figure 1 A photometer 10 including a light source block 12 and a sensor block 14 is shown. The light source block 12 includes a light source 16 and a liquid core light guide 18 . In the assembled condition, the liquid core light guide 18 extends from the light source block 12 into the sensor block 14 . Furthermore, the sensor block 14 includes a sensor 20 in the form of a photodiode.

[0035] The liquid to be analyzed 22 is guided through the liquid core light guide 18; the liquid to be analyzed 22 enters the liquid core light guide 18 via the port 24 in the light source block 12, and 26 exits the liquid core light guide 18.

[0036] The light source 16 is here configured as a light emitting diode (LED) and comprises a positioning surface 27 with which the light source 16 can be positioned accurately within the light source block 12 . Furthermore, the light source 16 comprises a mount 28 for the liquid-core light guide 18 . The liquid core light guide 18 has a clad...

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Abstract

A microphotometer is provided. A photometer (10) has a light source (16), a sensor (20), a liquid core light guide (18) between the light source (16) and An optical path is defined between the sensors (20) and the liquid to be analyzed (22) can be guided through the liquid core light guide. A port (24) for the liquid to be analyzed (22) passes through the light source (16).

Description

technical field [0001] The present invention relates to a photometer comprising a light source, a sensor, a liquid core light guide defining an optical path between the light source and the sensor, and at least one port for the liquid to be analyzed, and the liquid to be analyzed Can be guided through a liquid core light guide. Background technique [0002] Photometers of this type are known from the prior art and are used for analyzing liquids. Since the amount of a substance contained in a liquid has an effect on the absorption of light in the liquid, by means of a photometer it is possible to determine the concentration of the substance in the liquid to be analyzed. [0003] Usually, the liquid to be analyzed is introduced into a light-transparent container illuminated by a light source from the outside. Light emitted by the light source enters the liquid through the first light-transmissive wall of the container and passes through the liquid to be analyzed. After the ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N21/31G01N21/01
CPCG01N21/0303G01N21/05G01N21/59
Inventor 西里尔·赖特尔
Owner BURKERT WERKE