A colorimeter is a color measuring instrument that accurately evaluates the color difference between samples by measuring the color of the surface of a sample. Lab chromatic aberration is a manifestation of chromatic aberration, which is calculated based on the Lab color space, which can more accurately reflect the human eye's perception of color differences. This article will introduce the methods and procedures of how the colorimeter measures the color aberration of the sample lab.
1. Preparations.
Before you start measuring, you need to make the following preparations:
1.Ensure that the surface of the sample is clean, free of impurities, and free of oil stains, water stains and other factors that affect the measurement results.
2.Choose the right colorimeter to ensure its accuracy and stability.
3.Learn the basic principles of the LAB color space, as well as how to calculate color aberration.
2. Measurement steps.
1.Place the colorimeter on the surface of the sample to ensure that the measurement angle and light source are consistent with the standard.
2.Press the measurement button of the colorimeter, and the instrument will automatically take the measurement and display the lab value of the sample.
3.The measured lab value is compared to the lab value of the standard sample to calculate the difference value.
4.According to the formula for calculating the color difference, the lab difference value is converted to the color difference value.
3. Data processing and analysis.
1.Statistical analysis was carried out on the measured color difference value, and the average value, standard deviation and other indicators were calculated.
2.Correlate the color difference value with other relevant factors, such as production process, raw materials, etc.
3.Based on the results of the analysis, the quality of the sample is evaluated and suggestions for improvement are made.
4. Precautions.
1.During the measurement process, it is necessary to keep the instrument stable and avoid interference from external factors.
2.Appropriate calibration and adjustment is required for different samples and measurement conditions.
3.For some special samples, special measurement methods and techniques may be required.
In short, with the right measurement method and data processing, the colorimeter can accurately measure the lab color difference of the sample, providing strong support for product quality evaluation and improvement. In practical applications, it is necessary to select the appropriate colorimeter and measurement method according to the specific situation to ensure the accuracy and reliability of the measurement results. At the same time, it is also necessary to strengthen personnel training and technical exchanges to improve the measurement level and work efficiency.
Guangzhou Baolaifa Instrument Co., Ltd. products are widely used in domestic printing, coatings, auto parts, metals, home appliances, gold standard test strips, food safety, medical testing and other industries and scientific research institutions, while the industry application range is still expanding, the company unremittingly carries out technology research and development and brand service to ensure the stability of the company's products, and is committed to providing users with high-quality products and services with technology. The main color colorimeter, spectrophotometer, hyperspectral camera, standard light source box, gloss meter, haze meter, thickness gauge, resolution test card, image test card, test software and other color matching system products and provide solutions.
This article is provided by Baolaifa, for more details, please see the official website of Baolai Hair colorimeter manufacturer.