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Company News About Inverted measurement -- The function of color spectrum technology desktop spectrophotometer

Inverted measurement -- The function of color spectrum technology desktop spectrophotometer

2024-01-19
Latest company news about Inverted measurement -- The function of color spectrum technology desktop spectrophotometer

In our past cognition, the desktop spectrophotometer generally uses side measurement or upward measurement to measure non-transparent substances, and these two measurement modes also cover the color detection of all non-transparent substances.

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                                                               Side measurement                                         Upward measurement

 

So why is there a pattern of handstand measurements? This needs to start with the structure of the desktop spectrophotometer, a very important part of the instrument measurement is the integrating sphere, the integrating sphere of the desktop spectrophotometer is 152mm in diameter, and the interior is coated with a layer of white diffuse reflection material, the diffuse reflection coefficient of the diffuse reflection material is close to 1, and the sphere is close to an ideal sphere. In this way, after many reflections in the integrating sphere, the lighting source will form a uniform illuminance on the inner wall, which improves the measurement accuracy of the desktop spectrophotometer.

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                                                              Reflection test principle                                    Integrating sphere

 

To sum up, it is very important to ensure the cleanliness of the integrating ball. When the inside of the integrating sphere is polluted, the accuracy of the measurement data is bound to be affected. Especially like the textile and fabric industry, in the cutting process, there will be a lot of raw edges and fabric debris, if the side measurement or upward measurement is used, the fabric debris is very easy to fall into the integrating ball, and it is easy to stick to the inner wall of the integrating ball. Over time, the integrating sphere of the instrument is scrapped, which not only shortens the service life of the instrument, but more importantly, affects the accuracy of the instrument measurement.

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Fabric frills, scraps

 

For this kind of products, color spectrum technology proposed the inverted measurement mode, install a vertical bracket on the desktop spectrophotometer, and put the test port corresponding to the integrating ball down, no matter how the measurement, the fabric debris will not fall into the integrating ball, to ensure the cleanliness of the instrument.

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Vertical support back                          Vertical support front

 

Customized vertical stand for desktop spectrophotometer CS-820N/821N/826, to ensure the stability of the instrument upside down, movable damping handle, to ensure that the test port does not leak light during measurement, so that the instrument accurately evaluates the color of the product.

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Test port detail diagram                      Handstand measurement

 

In addition to the textile fabric industry, powder can also be measured in this way, welcome to consult us!

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