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Anonymous users2024-02-10Haze is the ratio of the scattered luminous flux through the specimen that deviates from the direction of the incident light to the transmitted luminous flux, expressed as a percentage. Usually only the scattered luminous flux that deviates from the direction of the incident light is used to calculate the haze.
Axial sphere The white coating on the inner lining surface of the sphere serves as a reflection standard.
The sphere can be pivoted in two positions, one with the light trap inside the beam and the other where the beam falls completely on the inner lining surface of the sphere. Minimum sample size: diameter.
Resolution: Standard: Complies with ASTM D1003, BS2782 and ISO standards.
Technical Indicators. Note: Haze is the ratio of the scattered luminous flux to the transmitted luminous flux that deviates from the direction of the incident light through the specimen, expressed as a percentage. Usually only the scattered luminous flux that deviates from the direction of the incident light is used to calculate the haze.
Axial sphere The white coating on the inner lining surface of the sphere serves as a reflection standard.
The sphere can be pivoted in two positions, one with the light trap inside the beam and the other where the beam falls completely on the inner lining surface of the sphere.
Parameters: Minimum sample size: diameter.
Resolution: Standard: Complies with ASTM D1003, BS2782 and ISO standards.
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Anonymous users2024-02-09Hello dear, there is a certain relationship between haze and haze value. Haze is a physical quantity used to describe the degree of dense fog in the air, and is often used to measure the degree to which suspended materials in the atmosphere (such as particles, droplets, etc.) cause the scattering and absorption of light, thereby affecting visibility. The haze value is a numerical value that quantitatively expresses the haze, which is usually measured using a special instrument (such as a transmission haze meter).
The higher the haze value, the higher the level of fog in the air and the lower the visibility. Therefore, the haze value is closely related to mechanical equipment, transportation, aviation and other fields, corresponding to the quality of visibility.
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Anonymous users2024-02-08Yes, haze is related to haze values. Haze is a metric used to describe the concentration or visibility of suspended particulate matter in the air and is usually measured optically. The haze value is a specific measurement of the haze and is expressed in numerical form.
In general, the higher the haze value, the higher the concentration of suspended particulate matter in the air and the worse the visibility. Haze values are usually expressed in nephelometric turbidity units (NTUs). By measuring haze values, we can assess the clarity of the air and the quality of the air to have an impact on people's daily lives and health.
Is there a relationship between haze and haze value?
Yes, haze is related to haze values. Haze is a metric used to describe the concentration of particulate matter suspended in the air or the visibility of the racket pants and is usually measured optically. The haze value is a specific measurement of the haze and is expressed in numerical form.
In general, the higher the haze value, the higher the concentration of suspended particulate matter in the air and the worse the visibility. The median haze is usually expressed in the unit of nephelometric turbidity (ntu). By measuring haze values, we can assess the clarity of the air and the quality of the air to have an impact on people's daily lives and well-being.
Dear, the following are related extensions, I hope it will be helpful to you <><
With the development of science and technology, modern people pay more and more attention to air quality, and the haze value has become one of the important indicators to measure the degree of air pollution in the air.
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Anonymous users2024-02-07Haze is the percentage of the transmitted light intensity that deviates from the incident angle to the total transmitted light intensity, and the higher the haze, the lower the gloss and transparency, especially the imaging. A beam of parallel light from a standard "C" light source is perpendicularly irradiated on a transparent or translucent film, sheet, and plate, and due to the scattering caused by the interior and surface of the material, the percentage of the ratio of the scattered luminous flux Td to the luminous flux T2 of the transmitted material deviates from the direction of incidence, that is, it is an important parameter for the optical transparency of transparent or translucent materials.
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Anonymous users2024-02-06WDY photoelectric haze meter is a small haze meter designed according to GB2410-80 and ASTM D1003-61 (1997-2004). It is suitable for the testing of parallel flat or plastic film samples, and can be widely used in the optical performance inspection of haze and transmittance of transparent and translucent materials. WDY photoelectric haze meter has the characteristics of small structure and easy to use and operate.
WDY photoelectric haze meter is suitable for the determination of light transmittance and haze value of various materials.
When a parallel beam of light is incident on a medium (such as transparent plastic), due to the inhomogeneity of the optical properties of the substance; Surface defects, uneven internal structure, the presence of bubbles and impurities, etc., will change the direction of the beam (diffusion and deflection), and the resulting part of the disorganized light is called scattered light. Internationally, it is stipulated that the ratio of the scattered luminous flux to the transmitted luminous flux that deviates from the direction of the incident light through the sample is expressed as a percentage, which is the so-called haze. Specimens with high haze will give a more ambiguous feeling.
There is also a loss of light as it passes through the specimen, i.e. the transmitted luminous flux passing through the specimen is always less than the incident luminous flux hitting the specimen. The ratio of the two, expressed as a percentage, is internationally defined as light transmittance.
The reason for the decrease in light transmittance is the reflection of light from the two surfaces of the sample and the absorption of light energy by the sample at all wavelengths or part of the wavelength of the incident light. In the process of testing the haze and transmittance of the sample, the incident luminous flux (t1), the transmitted luminous flux (t2), the instrument scattered luminous flux (t3), and the scattered luminous flux of the sample (t4) must be measured.
The data processing is according to the "GB2410-80" test method, and the light transmittance and haze values of this machine are calculated as follows
Light transmittance: tt = t2 t1 100% where t1 is 100
Photoelectric haze meter haze: h= t4 tt 100% t3 is 0
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