Send Message

CHNSpec Technology (Zhejiang)Co.,Ltd chnspec@colorspec.cn 86-571-85888707-813

About Us
Why Choose Us
CHNSpec Technology (Zhejiang)Co.,Ltd was found in 2008, and we are specialize in the R&D, production and sales of colorimeters.
View More
CHNSpec Technology (Zhejiang)Co.,Ltd

HIGH QUALITY

Trust Seal, Credit Check, RoSH and Supplier Capability Assessment. company has strictly quality control system and professional test lab.
CHNSpec Technology (Zhejiang)Co.,Ltd

DEVELOPMENT

Internal professional design team and advanced machinery workshop. We can cooperate to develop the products you need.
CHNSpec Technology (Zhejiang)Co.,Ltd

SOURCE FACTORY

Advanced automatic machines, strictly process control system. We can manufacture all the Electrical terminals beyond your demand.
CHNSpec Technology (Zhejiang)Co.,Ltd

INTIMATE SERVICE

Bulk and customized small packaging, FOB, CIF, DDU and DDP. Let us help you find the best solution for all your concerns.

2013

Year Established

200+

Employees

100000+

Customers Served

30000000+

Annual Sales

Our Products

Featured Products

China CHNSpec Technology (Zhejiang)Co.,Ltd
Contact Us
Play video
Contact at Any Time
Send

CHNSpec Technology (Zhejiang)Co.,Ltd

Address: No. 166 of Wenyuan Road,Jianggan District,Hangzhou City, Zhejiang Province, China
Fax: 86-571-85888727
Phone: 86-571-85888707-813
Our Products
Top Products
Our Cases
Recent Industrial Projects
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.
Event
Our Latest News
Lastest company news about Application of spectrophotometer to color management of silica gel products
Application of spectrophotometer to color management of silica gel products
Silicone products have been widely used in industry and daily life because of their excellent performance and wide application fields. In the production process of silicone products, color management is crucial, which directly affects the quality of products and market competitiveness. As a high-precision color measuring instrument, the spectrophotometer provides strong support for the color management of silica gel products. Spectrophotometer is a color measuring instrument based on spectral technology, which can accurately measure the color value of the sample surface, including brightness, color difference, chroma and so on. By comparing the color with the standard sample, the precise control and management of the color can be achieved. This paper introduces the application of spectrophotometer in the color management of silica gel products. In the production process of silicone products, color management mainly includes two aspects: one is the color matching of raw materials, and the other is the color monitoring in the production process. The spectrophotometer plays an important role in both aspects. First of all, the color matching of raw materials is an important part of the color management of silicone products. Through the color measurement and analysis of the original silica gel material by the spectrophotometer, an accurate color scheme can be formulated according to the actual needs. At the same time, a color database can be established to precisely control the color differences between different batches. Then through the color matching software to calculate the formula and the target color. This method is very precise and ensures that the color of the finished product is almost identical to the design requirements. The color matching software with the color spectrum can be set according to the demand, obtain the formula of the desired target color, and use scientific algorithms to calculate the color closer to the demand, thereby reducing the color deviation. Secondly, the color monitoring in the production process is the key to ensure the quality of silicone products. The real-time measurement of silica gel products in the production process through the spectrophotometer can find the color deviation in time and adjust it, so as to ensure the stability and consistency of product color. In addition, the spectrophotometer can also be used to study the relationship between the color and performance of silicone products, providing a reference for the optimization of product performance. For example, the change of silicone products of different colors under different temperature and humidity conditions is studied to optimize product performance. In short, the spectrophotometer plays an important role in the color management of silicone products, and provides strong support for the precise control of color in the production process. Through the application of spectrophotometer, the quality of silicone products can be improved, the production cost can be reduced, and the market competitiveness can be improved. At the same time, with the continuous progress of science and technology and the continuous expansion of application fields, the application prospect of the spectrophotometer in the color management of silicone products will be broader. Hangzhou Colar Spectrum Technolcgy Co.,Ltd. is committed to the research, production and sales of optical inspection instruments such as color difference meter, bench color difference meter, spectrophotometer, color difference meter, handheld fog meter, transmittance fog meter, gloss meter, color matching software, hyperspectral camera, etc. Focus on paint, plastic, textile, paint ink, glass, solution, metal plating, anodizing, spraying, auto parts and other industries color detection, our production of color difference meter, handheld color difference meter, desktop color difference meter can meet all kinds of substances color difference, color detection. Color spectrum color difference instrument manufacturers welcome you to consult any color problems.
Lastest company news about How does a color meter detect color difference in porcelain?
How does a color meter detect color difference in porcelain?
As one of the traditional Chinese handicrafts, porcelain is loved by people for its unique texture and color. However, due to various reasons, there will be color differences between porcelain. Color difference is one of the important indicators to measure the quality of porcelain, so it is very important to detect the color difference of porcelain. Color meter is an instrument used to detect color, widely used in various fields, including porcelain color difference detection. This article will answer the reason of color difference of porcelain in detail, and introduce how to detect color difference of porcelain. First, the reason for the color difference of porcelain 1. Glaze difference Glaze is a transparent or translucent glassy thin layer covered on the surface of porcelain, and its composition and thickness directly affect the color of porcelain. Different batches or different materials of glaze may produce color differences. 2. Firing process The firing process of porcelain also affects its color. Different kilns, firing temperatures, firing times, etc., can cause color differences in porcelain. 3. Lighting conditions The color of porcelain is affected by the lighting conditions. Different light colors and intensities will make porcelain show different color effects. 4. Viewing Angle and visual error Viewing Angle and visual errors can also cause color differences in porcelain. Depending on the Angle of view, the color will be different. In addition, the perception of color by the human eye will also cause errors due to fatigue, emotions and other factors. Second, the color meter detection of porcelain color difference method A color meter is an instrument based on optical principles that measures the color of an object's surface to reflect its true color. Here are the steps to use a color meter to detect color difference on porcelain: 1. Choose the right color meter Choose the appropriate color meter according to your needs, such as spectrophotometer, colorimeter, etc. These instruments can measure the intensity of the red, green, and blue colors on the surface of an object to produce color data. 2. Set a standard white light source Standard white light source is the basis of color measurement. Choose an appropriate standard white light source, such as a D65 light source, to ensure that the measured color matches the standard color. 3. Calibrate the color meter The color meter needs to be calibrated before the color measurement is performed. This ensures the accuracy of the color meter and reduces measurement errors. 4. Measure the color of the porcelain The instrument test port fits the area where the color difference needs to be identified to ensure that the color of the area is a solid color, and the area is larger than the size of the instrument test port for measurement. 5. Compare with standard template The measured color data is compared with the standard template to determine whether there is a color difference. If there is a color difference, it can be assessed according to the degree of color difference. Conclusion To sum up, the reasons for the color difference of porcelain mainly include glaze differences, firing processes, lighting conditions, viewing angles and visual errors. Using color meter to detect color difference of porcelain can improve the control and evaluation of porcelain quality. By selecting the appropriate color meter, setting the standard white light source, calibrating the color meter, measuring the color of porcelain and comparing with the standard sample, the color difference of porcelain can be accurately detected. This is of great significance for the daily appreciation of porcelain, the evaluation of the quality of the collection and the control of the production process.   Color Spectrum Technology (Zhejiang) Co., Ltd. is committed to the research, production and sales of optical inspection instruments such as color difference meter, bench color difference meter, spectrophotometer, color difference meter, handheld fog meter, transmittance fog meter, gloss meter, color matching software, hyperspectral camera, etc. Focus on paint, plastic, textile, paint ink, glass, solution, metal plating, anodizing, spraying, auto parts and other industries color detection, our production of color difference meter, handheld color difference meter, desktop color difference meter can meet all kinds of substances color difference, color detection. Color spectrum color difference instrument manufacturers welcome you to consult any color problems.
Lastest company news about Identification of split mouth chestnut by hyperspectral image technique
Identification of split mouth chestnut by hyperspectral image technique
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). Chestnut is one of the edible nuts in China, high quality and low price, rich in nutrition, the annual output ranks first in the world. Schizorhynchus is one of the important indexes to evaluate the external quality of chestnut. Schizorhynchus is a kind of chestnut whose peel is cracked under natural production conditions or damaged by external forces such as mechanical damage. The exposed pulp of chestnut can easily lead to a series of food safety problems. At present, the split mouth chestnut mainly adopts manual sorting, which is subjective and has a high sorting error rate. Therefore, the study of an effective and applicable method for the detection of split mouth chestnut can lay a foundation for the rapid non-destructive detection and classification of chestnut. In view of the identification methods of defective chestnuts, the research group has done some research in the early stage, but there is no report on the identification methods of cracked mouth defects in defective chestnuts. Near infrared spectroscopy technology can quickly, non-destructive and effective detection of internal quality information of agricultural products, machine vision technology can well reflect the external characteristics of agricultural products, have been widely used in agricultural product quality detection, but both can not meet the requirements of detection of internal and external quality of agricultural products. With the rapid development of science and technology and the rapid development of computer technology, hyperspectral image detection technology, which integrates spectrum and image, has been paid more and more attention by researchers in the field of non-destructive testing of agricultural products. Hyperspectral images can record abundant quality information of agricultural products and can be used to detect both internal and external quality of agricultural products. Scholars at home and abroad have applied hyperspectral image technology to non-destructive testing of fruits, vegetables, tea and meat and achieved good results. However, there is no study on the detection of split mouth chestnut by hyperspectral image technology. In this paper, hyperspectral image technology is used to identify split mouth chestnut, extract and analyze the spectral curves of split mouth chestnut and qualified chestnut, select the characteristic wavelength, adopt the band ratio algorithm, extract the cooperative image through texture filtering, and combine with a series of mathematical morphology to complete the identification of split mouth chestnut, which can provide a new idea for online detection of split mouth chestnut. In this paper, hyperspectral image technology was used to identify split mouth chestnut. 1) The characteristic wavelengths (477nm, 769nm and 923nm) were selected by principal component analysis, and the band ratio image obtained by different combinations of the characteristic wavelengths and the single band image at the characteristic wavelength were analyzed and compared, indicating that the 769mm/923nm band could best reflect the split nozzle region than the image, and was more conducive to the extraction of split nozzle features. 2) The image of 769nm/923nm band ratio was analyzed, the image based on collaborative texture filtering was extracted, and the target region was extracted by combining threshold segmentation and mathematical morphology. The correct recognition rate of cracked beak was 94.3%, the recognition rate of qualified chestnut was 96.8%, and the overall recognition rate reached 95.5%. The filter based on the filter type hyperspectral image detection system is designed to realize the on-line, rapid and non-destructive detection of split mouth chestnut. At the same time, it also provides a new method for the quality detection of other agricultural products.
Lastest company news about Non-contact spectrophotometer for tattoo color palette solution
Non-contact spectrophotometer for tattoo color palette solution
In the tattoo industry, color matching and harmonization is a key factor in determining the success of tattoo works. In order to get an accurate color effect, the tattoo artist needs to blend the tattoo color. For the tattoo color color work, in the past is to rely on experienced color master, with the eye observation of color, and now the rising computer color system has become a very powerful color tool for color manufacturers. If you want to adjust the color accurately, you first need to measure the color. However, because the tattoo color is dry, the color will appear cracks, which will lead to inaccurate measurement data, so you need to use a non-contact measurement method to measure the wet color, which can ensure the accuracy of the color. The non-contact spectrophotometer is a high-precision color measuring instrument, which can measure the color of the surface of an object quickly and accurately by a non-contact way. For the tattoo industry, the non-contact spectrophotometer can directly measure the wet color sample without contaminating or damaging the sample; No need to wait until dry in the test, saving the time in the drying process, but also can adjust the color ratio in real time, saving costs. The color spectrum non-contact spectrophotometer with the color system, you can quickly and accurately deploy the desired tattoo color. Before using a non-contact spectrophotometer to color the tattoo color, the basic color of the tattoo color should be entered into the color mixing system. After the basic color of the tattoo color material is entered into the color mixing system, you can begin to use this equipment for color matching. Measure the color of the tattoo pattern you want to tone, the measured data is input into the color software, the software will automatically calculate the formula, and then match the color according to the formula, you can get the desired tattoo pattern color. The whole process of color matching is over, which is very convenient and fast. In addition to being used in tattoo colors, non-contact spectrophotometer can also be used in cosmetics, food, liquid, powder and other fields. The non-contact spectrophotometer can also be installed on the assembly line and the robot arm to monitor the color of the product in real time, carry out data return, and provide timely product quality feedback.
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.