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CHNSpec Technology (Zhejiang)Co.,Ltd was found in 2008, and we are specialize in the R&D, production and sales of colorimeters.
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Lastest company cases about Three methods for color measurement
2020/04/01
Three methods for color measurement
Color measurement is mainly divided into the measurement of the color of the light source and the measurement of the color of the object. The object color measurement is divided into fluorescent object measurement and non-fluorescent object measurement. In actual production and daily life, color measurement of non-fluorescent objects is widely used. It is mainly divided into two categories: visual color measurement and instrument color measurement. Among them, instrument color measurement includes photoelectric integration method and spectrophotometry method.   1. Visual method The visual method is the visual perception of light produced by the eyes, the brain, and our life experience. The light we see with the naked eye is generated by electromagnetic waves with a narrow wavelength range, and electromagnetic waves of different wavelengths show different colors The recognition of color is the visual nerve sensation caused by the naked eye after being stimulated by electromagnetic wave radiation energy. The unknown colors of the individual components are added together to describe the resulting unknown colors. Although it is most suitable for color evaluation. The way to rely on it is with the help of the human eye, and it is simple and flexible, but due to the experience of observers and psychological and physiological factors The impact of this method makes the method too many variables and cannot be described quantitatively, which affects the accuracy of the evaluation.   2.The photoelectric integration method For a long time, the density method has occupied a very high position in color measurement, but with the application of CIE1976L *, a *, b * gradually becoming widespread, and has covered the entire work flow from press to printing, people are more and more aware of color The importance of degree, and the rapid development of modern colorimetric have also laid the foundation for the objective evaluation of color by photoelectric integration instruments ( precision color difference meters). The photoelectric integration method is a common method used in instrument color measurement in the 1960s. It does not measure the color stimulus value of a certain wavelength, but measures the tristimulus values X, Y, and Z of the sample through integral measurement over the entire measurement wavelength interval, and then calculates the chromaticity coordinates and other parameters of the sample. When using such three photo detectors to receive light stimuli, the tristimulus values X, Y, and Z of the sample can be measured with one integration. The filter must meet Luther's conditions to accurately match the photo detector. The photoelectric integration instrument cannot accurately measure the tristimulus value and chromaticity coordinates of the excellent source, but can accurately measure the color difference between the two color sources, so it is also called a color difference meter. Foreign color difference meters have been mass-produced since the 1960s, and China has been developing such instruments since the early 1980s. Nowadays, the CS-210 precsision colorimeter produced by Hangzhou CHNSpec Technology Co.,Ltd has been used. CS-210 Precision Colorimeter   3. Spectrophotometry Spectrophotometry is also called spectrophotometer. It compares the light energy reflected (transmitted) by the sample with the standard reflected (transmitted) light energy under the same conditions to obtain the spectral reflectance of the sample at each wavelength, and then uses CIE The provided standard observer and standard light source are calculated according to the following formula to obtain the tristimulus values X, Y, and Z, and then X, Y, and Z are used to calculate the chromaticity coordinates x according to the formulas such as CIE Yxy and CIE Lab. y, CIELAB chromaticity parameters, etc. The spectrophotometer determines the color parameters by detecting the spectral components of the sample. It can not only give the absolute values of X, Y, Z and the color difference value △ E, but also give the spectral reflectance value of the object, and can draw the object. Therefore, it is widely used in color matching and color analysis. The use of such instruments can achieve high-accuracy color measurement, calibration of photoelectric integral color measurement instruments, and establishment of chromaticity standards. Such instruments were first developed in China. CS-600 Integrating Sphere Color Spectrophotometer is color spectrum. Therefore, the spectrophotometer is an authoritative instrument in color measurement.   Color Spectrophotometer CS-600   Company introduction Our CHNSpec Technology Co., Ltd are specialized on manufacturing haze meter, spectrophotometers, colorimeters and gloss meters. Our products have gotten 10 Invention Patents including 1 American Invention Patent, 8 Utility Model Patents, 4 Appearance Patents and 3 Software Copyrights till now.    
Lastest company cases about Objective Measurement of Transparency
2020/03/26
Objective Measurement of Transparency
Measurement and analysis of haze and clarity guarantee a uniform and consistent product quality and help analyze influencing process parameters and material properties, e.g.cooling rate or compatibility of raw materials.   The figure on the picture shows the measurement principle of the haze meter:   A light beam strikes the specimen and enters an integrating sphere. The sphere's interior surface is coated uniformly with a matte white material to allow diffusion. A detector in the sphere measures total transmittance and transmission haze. A ring sensor mounted at the exit port of the sphere detects narrow angle scattered light ( clarity). Standard Methods The measurement of Total Transmittance and Transmission Haze is described in international standards. Two different test methods are specified: 1. IS013468 Compensation method 2. ASTM D1003 Non-compensation method The compensation method takes the light reflected on the sample surface into account. Differences between the two methods can be approximately 2 Total Transmittance on clear, glossy samples.   ASTM D 1003 Measurement conditions are different during calibration and actual measurement. During calibration, part of the light escapes through the open entrance port of the haze meter. While taking a measurement, the entrance port is covered with the sample, thus, the amount of light in the sphere is increased by the light reflected at the sample surface.     ISO13468 Measurement conditions are kept equal during calibration and measurement due to an additional opening in the sphere. During calibration the sample is placed at the compensation port. For the actual measurement, the sample is changed to the entrance port. Thus, the so-called sphere efficiency is independent of the reflection properties of the sample.     Two Standard Methods in one Unit The clarity and haze meter CS-720 complies with both ASTM and ISO measurement standards. It can meet the following measurement standards ASTM D1003 / D1044, ISO13468 / ISO14782, JIS K7105, JIS K7361, JIS K7163 and other international standards. If any inquiry, you are welcome to contact us.  
Lastest company cases about Factors affecting haze measurement
2020/03/25
Factors affecting haze measurement
What is haze? Haze is also called turbidity. It indicates the degree of unclearness of transparent or translucent materials. It is the appearance of cloudiness or turbidity caused by light scattering inside or on the surface of the material. It is expressed as the percentage of the ratio of the scattered light flux to the light flux through the material.   Why measure haze? Haze measurement can be used to quantify the optical properties of plastics and packaging films. Obscure films in packaging applications can reduce consumer perception of quality, such as when packaging products look blurry. For plastics with haze, the visibility of the test material becomes more pronounced and reduces the contrast of the observed objects.   Factors affecting haze measurement Part1: light source Different light sources have different relative spectral energy distributions. Because various transparent plastics have their own spectral selectivity, the same material is measured with different light sources, and the obtained light transmittance and haze value are different. The darker the color, the greater the impact.In order to eliminate the influence of the light source, the International Institute of Illumination (CIE) has specified three standard light sources A, B, and C. This method uses a "C" light source.       Part2: Influence of surface condition The surface state of the sample mainly refers to whether the surface is flat and smooth, whether there are scratches and defects, and whether it is contaminated.       Part3: Effect of specimen thickness As the thickness of the sample increases, the light absorption increases, the light transmittance decreases, and light scattering increases, so the haze increases. Transmission and haze can only be compared at the same thickness.  
Lastest company cases about How to calculate haze of transparent acrylic plastic sheet?
2020/03/14
How to calculate haze of transparent acrylic plastic sheet?
What is acrylic sheet? Acrylic is also called special-processed plexiglass. It is a replacement product of plexiglass. The light box made of acrylic has good light transmission, pure colors, rich colors, beautiful and flat, taking into account the two effects of day and night, long life, does not affect the use, and other features.   How to calculate transmittance? In the process of measuring the haze and light transmittance of the sample, it is necessary to measure the incident light flux (T1), the transmitted light flux (T2), the scattered light flux (T3) of the instrument, and the scattered light flux (T4) of the sample. Calculation method of Transmittance: Tt= T2/ t1x100%   How to calculate haze? Haze: H= [t4-t3 (T2/T1)]/ t2x100% The formula of haze value H can be simplified as: H(%)= [(T4/T2)-(T3/T1)]×100%   How to Measure Acrylic Plastic Sheet?(The products that measure haze are Color Spectrum TH-100, CS-700, CS-701 and CS-720) Take Color Spectrum Haze Meter TH-100 as an example 1.Start Connect the instrument to the power source, press the power key, the indicator light is always blue, and the instrument starts normally. 2.0% and 100% calibration. Put the 0% calibration cover on the test port so that the integrating sphere does not receive any light. Press the OK key on the side of the instrument to calibrate.100%: Keep the test port open, let the light from the light source pass through the test port, and press the OK key on the side of the instrument for calibration. 3.Measure After calibration, place the transparent acrylic plastic sheet in the test port and click the test button next to the instrument. The result will be available in 2 seconds. The operation process is very simple.  
Lastest company cases about How to calculate haze
2020/03/09
How to calculate haze
Haze : Wide Angle Scattering   The light before passing through the sample is called incident light, the entire light after passing through the sample is called transmitted light, and the scattered light with a scattering angle greater than 2.5 ° after the transmission sample is called scattered light, haze Is the scattered light than the transmitted light (as show in green color of picture 2) and Tt is the total transmitted light (as show in pink color of picture 1).   So haze equation is Haze = Td / Tt.     Haze Measuring Instrument   We will introduce how to measure haze by CHNSpec Haze Meter TH-100. It can meet both ISO and ASTM standards.   TH-100 haze meter   What is the measurement method of TH-100? This is the light path structure diagram of this haze meter. The light source emits parallel light, passes through the sample and enters the integrating sphere. Part of the transmitted light is parallel light and part is scattered light. A photoelectric sensor is installed on the inner wall of the integrating sphere perpendicular to the parallel beam to obtain the light flux signal. The light trap is used to absorb all the incident light when there is no sample in the test port. The light trap is equipped with a shutter, which is coated with the same high reflectivity coating as the integrating sphere wall. The shutter can be opened and closed as required. Light trap: When measuring the haze, the light trap will open (because the scattered light will be collected to calculate the haze); when measuring the total transmittance, the light trap will be closed; haze meter TH-100 can be automatically measured, all you have to do is place the sample at the test.     For more details of haze meter TH-100, you can refer to the following url   1). Haze Meter TH-100 Working Video https://www.youtube.com/watch?v=qtyhHWB8r_Y&t=24s   2). TH-100 Haze Meter Accuracy Test Video https://www.youtube.com/watch?v=k3b4X-kERss&feature=youtu.be   CHNSpec Tech is specialized on provide color, gloss and haze measurement solutions. If any future inquiry, you are welcome to contact me for more details.
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Lastest company news about Food packaging color detection tool - Protable spectrophotometer
Food packaging color detection tool - Protable spectrophotometer
In the food industry, the color of the outer packaging of the product plays a crucial role in the image and attractiveness of the product. Color can not only enhance the visual effect of the product, but also affect the purchase decision of consumers. Therefore, it is critical for food manufacturers to accurately control and measure the color of product packaging. In recent years, the portable color difference meter has been widely used as an efficient color detection tool for food packaging. The portable color difference meter is a precision optical measuring instrument that can accurately and quickly measure the color of the product. It can help food manufacturers accurately detect and control the color of product packaging. The portable color difference meter can not only measure the brightness, saturation and hue of the color, but also detect the color difference, thus ensuring that the color of the product meets the requirements of the target color. The portable color difference meter is characterized by its portability and flexibility. It is small in size and light in weight, and can be easily carried to the production site for measurement at any time. In addition, the color difference meter also has the advantages of simple operation and convenient use. Users only need to place the color difference meter on the sample to be tested to get accurate color data quickly. This data helps control color in the production process. The following is a brief description of the measurement process: Prepare product packaging samples and a portable color difference meter to be measured; First, the color of the target sample is detected with the portable color difference meter, the test port of the color difference meter is aligned with the measured target sample, and the color data is produced in 1 second by pressing the button; 将仪器切换到测色差的界面,同样将色差仪的测试口对准试样,按下按钮,仪器会自动计算出样品之间的色差数据,给出符合要求与否的判定结果。 In addition to use on the production site, portable color difference meters can also be used in laboratories and research institutions. For food manufacturers, accurately mastering the color of food packaging is not only a technical challenge, but also a business need. Portable color difference meters can help manufacturers better understand consumer buying behavior and the impact of color on product sales. By using color difference meter for color measurement and color difference comparison, manufacturers can optimize the color design of products and improve the market competitiveness of products. In addition, the portable color difference meter can also be used for the detection of food quality. By comparing the difference between the actual color of the product and the standard color, the quality level of the product can be assessed. If there is a large difference between the color of the product and the standard color, it may indicate that the product has quality problems or there is a problem in some aspects of the production process. In this case, the color difference meter can help the manufacturer to find and solve the problem in a timely manner, thus ensuring the quality stability and consistency of the product. In short, portable color difference meter as an efficient food packaging color detection tool, has a wide range of application prospects in the food industry. It can help food manufacturers accurately control and measure the color of product packaging and improve the market competitiveness of products. At the same time, the portable color difference meter can also provide data basis for the detection of food quality in laboratories and research institutions. With the continuous development of the food industry and the improvement of consumer requirements for product quality, portable color difference meters will play a more important role in the future.
Lastest company news about The sugar content of loquat can be predicted by NIR hyperspectral camera
The sugar content of loquat can be predicted by NIR hyperspectral camera
In this study, a 400-1000nm hyperspectral camera was applied, and FS13, a product of Hangzhou Color Spectrum Technology Co., LTD., could be used for related research. The spectral range is 400-1000nm, the wavelength resolution is better than 2.5nm, and up to 1200 spectral channels can be reached. The acquisition speed can reach 128FPS in the full spectrum, and the maximum after band selection is 3300Hz (support multi-region band selection). The nutritional value of loquat is rich, the fruit skin is thin and juicy, sweet and sour. Kaiyang, Guizhou province is one of the planting places of loquat, and the soil in Kaiyang is rich in selenium, which makes Kaiyang loquat rich in selenium popular. However, loquat fruit is more delicate, in the process of picking and storage, the quality of the fruit will decline, and the change of sugar content is very obvious. With the respiration of loquat fruit, sugar content will gradually increase, which will lead to poor sweetness and sour degree of fruit, affect the taste and flavor of loquat, and lead to the decrease of its economic value. Although the traditional detection method of fruit sugar content in China has high accuracy, it is destructive, inefficient and time-consuming. However, there is no uniform standard for judging fruit quality by experience, which leads to the randomness of the result and inaccurate quality sorting. Therefore, in the fruit quality sorting, whether it is the traditional detection method or the subjective judgment of personal experience, the fruit quality is uneven, and it is difficult to reflect the competitive advantage of China's fruit market. Kaiyang Loquat is a characteristic fruit in Guizhou province. The quality grading of its fruit can accurately locate its market price and maintain its regional brand status. It can be seen that it is of practical significance to establish a set of rapid and non-destructive sugar content detection method for loquat fruit to monitor its quality and guide the market price. In order to realize rapid non-destructive detection of fruit quality, grade fruit, and enhance the economic value of fruit, a method based on visible/near-infrared hyperspectroscopy and chemometrics was proposed to predict the sugar content of Kaiyang se-rich loquat. First, spectral data of loquat samples were obtained by hyperspectral camera, and the actual sugar content of loquat samples was measured. Then, the spectral data of the samples were extracted and pre-treated by SNV and MSC. PCR and PLSR models for predicting sugar content of loquat were established based on the original and pre-treated spectra.
Lastest company news about Furniture paint how to color? Precise color management with color matching software
Furniture paint how to color? Precise color management with color matching software
In the process of furniture making and renovation, painting color is a crucial process. It is not only related to the beauty of the furniture, but also directly affects the overall style and atmosphere of the furniture. With the development of science and technology, the application of color matching software in color management is more and more extensive, providing a more accurate and efficient solution for furniture painting and color matching. 一、the traditional painting method and its limitations The traditional painting method mainly relies on the experience of the color palette master and the naked eye judgment, by adding different proportions of pigments or pastes to adjust the color of the paint. Although this method can meet the color needs to a certain extent, there are obvious limitations: 1. Strong subjectivity: the color mixing results are often affected by the personal experience and subjective feelings of the color mixing master, and it is difficult to ensure the accuracy and consistency of the color. 2. Low efficiency: The traditional color mixing method requires repeated color testing and adjustment, which consumes a lot of time and materials. 3. It is difficult to achieve accurate color matching: for complex or special color needs, the traditional method is difficult to achieve the ideal color mixing effect.   二、Accurate color management of color matching software The color matching software realizes the accurate management and control of color through digital technology, and provides a more efficient and accurate solution for furniture painting and color matching. Its main advantages are reflected in the following aspects: 1. Color database support: Color matching software built-in rich color database, covering a variety of common and special colors, users can directly select or reference, quickly determine the target color. 2. Accurate color matching algorithm: The software automatically calculates the required pigment or color paste ratio according to the user's input color parameters or samples through advanced color matching algorithm to achieve accurate color matching. 3. Visual preview: The software supports real-time preview function, and users can view the color mixing results at any time during the color mixing process to ensure that the color is accurate. 4. Efficiency improvement: The use of color matching software for color mixing can greatly shorten the color mixing time, reduce material waste, and improve production efficiency. With the development of science and technology, the application of color matching software in the field of furniture painting is more and more extensive. Its precise color management and control functions provide a more efficient and accurate solution for furniture manufacturing and renovation. Taking Color spectrum Technology as an example, its intelligent color matching solution has effectively assisted customers to solve the problem of painting color matching. The scheme covers the whole process from color selection, color matching to proofing, greatly simplifying the work of color matching technicians. Through simple instrument operation and data processing, technicians can successfully complete the color matching of samples. This scheme is not only easy to operate and easy to use, but also realizes the electronization of sample data and formula data to ensure the accuracy and color matching efficiency of the formula. In addition, it offers a variety of color schemes to choose from, which can be flexibly adjusted according to cost and actual needs. What is more worth mentioning is that the program supports the use of waste and used materials for color matching, which effectively saves costs. In the painting industry, the application of intelligent color matching is helping enterprises to achieve transformation and upgrading, enhance competitiveness, and better cope with the increasingly fierce market competition at home and abroad.
Lastest company news about How to measure the transmittance and fog of acrylic plate?
How to measure the transmittance and fog of acrylic plate?
As a transparent or translucent material, acrylic plate is widely used in various fields, such as construction, home, advertising and so on. Its optical performance is one of the important indexes to measure its quality, among which transmittance and fog are two key parameters. The transmittance reflects the ability of the acrylic plate to pass light, while the fog reflects the effect of its internal or surface defects on the scattering of light. Acrylic sheet light transmittance and fog test Fog refers to the degree to which the light inside or on the surface of a material deviates from the direction of incidence due to scattering, usually expressed as a percentage. For acrylic panels, the level of fog directly affects its transparency and visual effect. However, different applications have different requirements for the fog of acrylic sheets. High-quality acrylic plate should have a very high transparency, such as colorless transparent plexiglass plate, light transmittance of more than 92%, pure acrylic plate light transmittance is very high, can reach more than 90%. During the processing process, the percentage of acrylic will affect the light transmittance of the product, in addition, the thickness of the sheet will also affect the light transmittance of the acrylic sheet. It should be noted that the degree of fog is not the only indicator to measure the quality of acrylic plate, but also should be combined with other parameters such as light transmittance, hardness, weather resistance and other comprehensive considerations. Acrylic plate has high requirements for light transmittance, and the measurement of highly transparent acrylic plate needs to be measured with a transmittance meter (fog meter). Such as color spectrum high-precision transmittance meter (fog meter) can easily provide fog, transmittance one-stop measurement solution. Transmittance test: Transmittance refers to the transmittance of light through the material, expressed as a percentage. When testing, an instrument such as a transmittance meter or spectrophotometer can be used. Place the acrylic sheet sample on the test bench, ensuring that the sample fits tightly to the test bench without bubbles or gaps. Then start the instrument for measurement, the instrument will automatically emit the light source, measure the intensity of the transmitted light after passing the acrylic plate sample, and calculate the transmittance value. Haze test: Haze test requires the use of fog meter. Before the test, place the fog meter on a stable workbench, turn on the power and preheat it to a stable working state. Then, the acrylic sheet sample is placed on the test bench of the fog meter, ensuring that the sample is tightly fitted to the test bench. Start the fog meter for measurement, the instrument will automatically emit a light source, measure the intensity of scattered light after passing the acrylic plate sample, and calculate the fog value. During the testing process, the following points need to be noted: 1. Ensure that the test environment is stable to avoid the influence of light interference and temperature change on the measurement results. 2. Select the appropriate test wavelength and measurement time to obtain accurate test results. 3. The surface of the sample should be clean and free of scratches and stains to avoid affecting the test results. In order to ensure the quality of the acrylic sheet, it is necessary to test the light transmittance and fog degree. A light transmittance test gives an idea of how transparent the material is, while a fog test assesses whether there are defects or contamination inside or on the surface of the material. In practical applications, the appropriate test methods and instruments can be selected according to the needs of the test, and the quality of the acrylic plate can be comprehensively considered in combination with other parameters.
Lastest company news about Criteria and measuring methods for the gloss of solid wood composite flooring
Criteria and measuring methods for the gloss of solid wood composite flooring
In the flooring market, solid wood composite flooring is favored by consumers because of its beauty and stability of solid wood flooring and the economic benefits of composite flooring. As one of the important indicators to measure the quality and appearance of solid wood composite flooring, gloss has specific requirements for the overall beauty and service life of the floor, and it also needs to be accurately detected by a professional gloss meter. The gloss of the solid wood composite floor refers to the ability of the floor surface to reflect light, usually expressed by the value measured by the gloss meter. Different types of solid wood flooring have different requirements for gloss, but in general, the gloss of high-quality solid wood flooring should meet the following requirements: 1. Uniform gloss: The gloss of each area of the floor surface should be consistent, and there should be no obvious gloss difference. 2. Durable gloss: During the use of the floor, its gloss should be able to maintain for a long time, and it is not easy to reduce due to wear, pollution and other factors. 3. Moderate gloss: Too high or too low gloss will affect the overall beauty of the floor. Too high gloss will make the floor surface too harsh, and too low gloss will make the floor appear dull. Therefore, the gloss of the solid wood composite floor should be moderate, which can show the natural beauty of the floor and ensure the comfort of use.   From the point of view of product quality, gloss also reflects the advantages and disadvantages of the floor surface treatment process. High-quality solid wood composite flooring should have a uniform and stable gloss, both visually and tactile give people a comfortable feeling. If the gloss is too high or too low, it may mean that there is a problem with the coating quality of the floor, such as uneven, too thin or too thick. So, how to accurately detect the gloss of the solid wood composite floor? This requires the help of a professional gloss meter. Among the many choices, the CS-300 SE series of color spectrum gloss meters can be trusted. This gloss meter has an extremely high repeatability of 0.2GU, ensuring the accuracy and consistency of measurement results. It uses a lithium battery charging method to provide a single charge can support up to 100,000 measurements of ultra-long life, greatly meeting the needs of long-term, high-frequency measurement. In addition, the CS-300 SE series gloss meter can store 5000 pieces of data in a single machine, which is convenient for users to view and manage at any time. At the same time, it also comes with PC side management software, support computer side operation instrument, data printing, export and test report generation, to provide users with a more convenient and efficient data management. Using the color spectrum gloss meter CS-300 SE series, you can easily and accurately detect the gloss of solid wood composite flooring to ensure that the appearance quality of the floor meets the standard. Before using a gloss meter for testing, you need to do a good job of preparation. Make sure the floor surface is clean and free of dust, stains and scratches. At the same time, the instrument is calibrated according to the operating manual of the gloss meter to ensure the accuracy of the measurement results. When detecting, a representative measuring point should be selected. Often, multiple measurements are taken in different areas of the floor, such as the center, edges, and corners, and average to obtain more reliable data. When measuring, place the probe of the gloss meter vertically and smoothly on the floor surface to ensure that the measured light is perpendicular to the floor surface, press the measurement button, the instrument will quickly give the gloss value. The gloss of solid wood composite flooring is one of the important indicators of its appearance quality. By using a professional gloss meter for detection, you can accurately understand the gloss of the floor, and take appropriate measures to improve according to the test results. When purchasing and using solid wood composite flooring, consumers should pay attention to the gloss index of the floor to ensure the overall beauty and service life of the floor. It should be noted that different models of gloss meters may differ in measurement accuracy and scope of application. Therefore, when selecting a gloss meter, an instrument with reliable performance and high precision should be selected according to the actual needs and testing standards.
Lastest company news about Color difference meter: the effective assistant of color management of automobile interior
Color difference meter: the effective assistant of color management of automobile interior
In the field of automobile manufacturing, the color matching and quality of the interior not only affect the visual experience of drivers and passengers, but also affect the overall quality and brand image. As consumers' demands for automotive interiors continue to rise, accurate color management has become an important challenge for automakers. The appearance of color difference meter provides an efficient, accurate and reliable solution for automotive interior color management. The complexity of automotive interior color management stems from a variety of factors. First, automotive interiors are usually made up of a variety of different materials, such as plastic, leather, fabric, and metal, each with its own unique properties in terms of color presentation and stability. Second, changes in lighting conditions can have a significant impact on the perception of interior color, from natural light during the day to interior lighting at night, colors may take on different effects. In addition, consumers have high expectations for color consistency and accuracy, and any slight color difference may be keenly perceived.   As an advanced optical measuring instrument, colorimeter can accurately measure and analyze the color difference of objects. By quantitatively measuring the color of individual components in automotive interiors, colorimeters can provide objective, accurate data to help manufacturers assess color consistency and accuracy. Whether in the procurement stage of raw materials, or in the production process of quality control, the color difference meter can play a key role. In raw material procurement, color difference meters can help car manufacturers screen material suppliers that meet color standards. By measuring and comparing samples provided by suppliers, we ensure that the purchased materials are in the same color as the design requirements, thereby reducing production delays and cost increases due to material color differences.   During the production process, the color difference meter enables the rapid inspection of the interior parts of each production batch. Timely detection and correction of color deviation, to avoid unqualified products into the next process, effectively improve production efficiency and product quality. At the same time, the color difference meter can also provide intuitive color feedback for workers on the production line, helping them to better adjust the production process and parameters to achieve the ideal color effect.   In addition to its application in the production process, color difference meters are also of great value in the development and design phase of automotive interiors. Designers can use the color difference meter to evaluate and optimize different color schemes, and based on the measurement data, choose the interior color combination that best meets the market needs and brand positioning. In addition, the color difference meter can also be used to monitor the color change of the product under different use environments and times, providing data support for the durability and stability of the product.   As a powerful tool, the color difference meter provides a comprehensive solution for automotive interior color management. It not only helps to improve product quality and meet consumers' high requirements for color, but also improves the production efficiency and market competitiveness of automobile manufacturers. Color spectrum Technology has been in the automotive interior industry for many years and can provide you with a full range of color measurement solutions. Our range of precision colorimeters ranges from small precision colorimeters to portable colorimeters to benchtop colorimeters - you can always find the right instrument for you.
Lastest company news about How to test the color of soy sauce? Precise application of benchtop liquid colorimeter
How to test the color of soy sauce? Precise application of benchtop liquid colorimeter
In the food industry, soy sauce as a common and important condiment, its quality and appearance characteristics have attracted much attention. Among them, chroma is a key indicator to measure the quality of soy sauce, which not only affects the visual perception of consumers, but also reflects the production process and quality stability of soy sauce to a certain extent. So, how to accurately detect the color of soy sauce? Benchtop liquid colorimeters provide us with a precise and efficient solution. The color of soy sauce is mainly derived from a series of chemical reactions that occur during the brewing process, including the Maillard reaction and the caramel reaction. Under normal circumstances, high-quality soy sauce should show a brown or reddish-brown, bright and uniform color. However, if there is a deviation in color, it may indicate an anomaly in the production process, such as raw material quality problems, improper fermentation conditions or unreasonable use of additives. In addition, for consumers, the color of soy sauce will also affect their purchase decisions and judgments on product quality.   Traditional soy sauce chroma detection methods often rely on artificial visual evaluation, which is subjective and easy to be affected by environmental light, observer experience and emotion, resulting in poor accuracy and repeatability of results. In order to overcome the limitations of traditional visual colorimetry, modern instrument detection methods have been widely used. Among them, the bench liquid colorimeter, as a special instrument for measuring liquid colorimetry, has the advantages of fast, accurate and good repeatability, and plays an important role in the detection of soy sauce colorimetry.   DS-812N/DS-816N Desktop colorimeter is a high precision desktop colorimeter specially built for liquid colorimeter. It can measure up to more than 30 chroma indicators, including the platinum Cobalt index, Gardner, Sayport and Chinese, US, European pharmacopoeia standards. The instrument uses intelligent zero-point calibration technology, which takes only 1.5 seconds for a single measurement, and has powerful data storage capacity, which can hold more than 100,000 data. Its wide range of applications, excellent performance in the food industry, suitable for the detection of soy sauce color. Table liquid colorimeter test procedure 1. Sample preparation: Prepare the soy sauce sample and clean container to be tested. The container should be cleaned and wiped clean before use to ensure that there are no impurities and bubbles. Pour the soy sauce into the container, taking care to remove bubbles as much as possible so as not to affect the measurement results. 2. Instrument calibration: After starting up, black and white calibration is performed to ensure the accuracy and reliability of the instrument measurement results. 3. Place the sample: Exit the calibration page and place the prepared soy sauce sample in the measurement position to ensure that the sample is placed stably and avoid light leakage affecting the result. 4. Measurement and preservation: press the measurement key to measure and save the sample data as the standard sample value. After the standard sample measurement is completed, the sample measurement method is consistent with the standard sample. After the measurement is completed, the sample data are compared to visually observe whether there is a color difference in soy sauce. The advantage of precise application 1. High accuracy: The standard deviation of the spectral reflectance and transmittance of the desktop liquid colorimeter is extremely low, which can accurately quantify the color data of soy sauce and meet the requirements of manufacturers for the measurement of soy sauce color difference. 2. High repeatability: The instrument has a high degree of repeatability, and can maintain stable measurement results even when the environment changes, improving the reliability of the test results. 3. Intelligent operation: Some advanced desktop liquid colorimeters also have intelligent functions, such as automatic sample identification, automatic measurement and analysis of data, which greatly improves work efficiency and measurement accuracy.   The application of benchtop liquid colorimeter in soy sauce colorimetry provides a powerful quality control tool for soy sauce production enterprises. By accurately measuring the color of soy sauce, enterprises can better ensure the stability and consistency of product quality, meet the needs of consumers for high-quality soy sauce, and enhance their competitiveness in the market.
Lastest company news about How to measure the color difference of the pipe?
How to measure the color difference of the pipe?
In modern industrial production, the color consistency of products is directly related to the quality of products and market competitiveness. Especially for products such as pipe materials, the consistency of color not only affects the appearance, but also may involve the identification and application of the product. As an accurate measuring tool, color difference meter can effectively help enterprises to ensure the consistency of product color and improve product quality. This article will introduce in detail the steps of measuring the color difference of pipe materials by using color difference meter, and discuss its importance and necessity. 一、Preparation before the test Before making a color difference measurement, it is first necessary to ensure that the color difference meter has been calibrated and is in normal working condition. At the same time, choose a uniform and stable test environment to avoid interference of external light on the measurement results.   二、the color difference measurement of different positions of the same pipe Select a representative pipe as the test sample. It is critical to place the measuring probe of the colorimeter perpendicular to the pipe surface, as a tilted measurement Angle can lead to a deviation in the measurement results. Starting from one end of the tube and along the length of the tube, a number of measuring points are evenly selected for measurement. For example, a measurement point can be selected every 10 cm.   At each measuring point, keep the color difference meter stable, press the measuring button, and record the measurement data. 三、the color difference measurement of another pipe The other pipe is measured in the same way.   It is also necessary to ensure that the measuring probe is perpendicular to the pipe surface, and that the selection and distribution of the measuring points are consistent with the first pipe for effective comparison.   四、instrument feedback color difference and Lab value analysis After the color difference measurement is completed, it will feedback the outstanding difference and Lab value. Color difference is usually expressed as ΔE, which reflects the overall degree of difference between two colors. The Lab value represents the brightness of the color (L), the range from green to red (a), and the range from blue to yellow (b), respectively. By analyzing the ΔE and Lab values, the magnitude and direction of color differences can be quantified. For example, if the ΔE value is small, it means that the color difference between the two pipes is small and the color consistency is good; If the ΔE value is large, the color difference is significant. By comparing the Lab values, we can understand the specific changes of color in brightness, red green and blue yellow directions.   The measurement results of the first pipe are roughly L1 = 30, a1 = -2, b1 = -9, and the color difference ΔE value at different positions is around 0.5. This is within the acceptable range. The measurement results for the second pipe are roughly L2 = 30, a2 = -5, b2 = -6. It is calculated that the color difference ΔE in different positions also fluctuates around 0.5, indicating that the color difference of the same pipe is small, but the color difference ΔE between different pipes reaches more than 5. Far beyond what is acceptable. As can be seen from the specific Lab value, the second pipe is equivalent in brightness (L2 is about equal to L1), more green in the red and green direction (a2 b1).   Using a color difference meter can accurately measure and quantify color differences, helping companies ensure color consistency for each batch of products. Through regular testing and monitoring, enterprises can find and correct color deviations in time to avoid quality problems caused by color inconsistencies. Companies can ensure that product colors meet customer requirements and improve customer satisfaction and loyalty.   Timely detection and adjustment of color deviations can reduce rework and scrap rates caused by color inconsistencies, thereby saving production costs and resources. At the same time, through accurate measurement, the production process can be optimized and production efficiency can be improved.