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BeVision D2

El BeVision D2 ofrece una solución eficaz para el análisis del tamaño y la forma de polvos o gránulos secos de alta fluidez. Un BeVision D2 puede medir decenas de miles de partículas en tres minutos. Combinando una cámara de alta velocidad con un preciso objetivo telecéntrico, el BeVision D2 es capaz de analizar eficientemente el tamaño y la forma de partículas en el rango de 30 - 10.000 μm.

Features and Benefits

  • Rango de medición: 30 - 10.000 µm
  • 24 parámetros diferentes de tamaño y forma de las partículas
  • Alto rendimiento de muestras: Mide 10.000 partículas en 3 minutos
  • Excelente reproducibilidad
  • Resultados conformes a la norma ISO 9276-6
  • Funcionamiento totalmente automatizado
  • El potente software proporciona una evaluación completa
  • Comparable con los resultados de tamizado

Video

How to Install and Operate BeVision D2 Video play

BeVision D2 | A Precise Vision of Particles Video stop

What is Image Analysis? Fundamentals of BeVision Series Video stop

Overview of BeVision Series | Precision in Particle Vision Video stop

Overview

1) ¿Por qué el método de análisis de imágenes?

 

 
     
  • Fácil
    Capture una imagen de partículas, identifique las partículas y, a continuación, mida su tamaño y forma. Cada paso del análisis de imagen es fácil y claro.
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  • Análisis de forma
    Basándose en una visión directa de las partículas, es posible analizar no sólo el tamaño de las partículas, sino también su forma.
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  • Ver para creer
    El método de análisis de imágenes determina el tamaño y la forma de cada partícula individual y luego los suma para formar una estadística. Se pueden proporcionar con precisión detalles de la distribución del tamaño o la forma de las partículas.
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2) ¿Por qué el método de análisis dinámico de imágenes?

 

 
     
  • Eficacia
    Un flujo continuo de partículas que pasa por la zona de medición ayuda a lograr una mayor eficiencia de la medición.
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  • Sensibilidad a las partículas de gran tamaño
    El método de análisis dinámico de imágenes es sensible a las partículas de gran tamaño; incluso es posible estimar el tamaño de las partículas de gran tamaño.
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  • Resultados fiables
    El número máximo de partículas medidas garantiza la significación estadística de los resultados de la medición.
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3) Hardware BeVision D2: Precisión y eficacia garantizadas para usted

 

 

Para medir el tamaño y la forma de las partículas en una gran variedad de aplicaciones, el BeVision D2 está equipado con una amplia gama de hardware. En función de las propiedades del material de la muestra, la selección del mejor hardware puede ayudar a medir el tamaño y la forma de las partículas con una precisión y eficacia óptimas.

 

 

BeVision D2 hardware

 

 

4) Parámetros de tamaño y forma de las partículas:.

 

 
     
  • Parámetros de tamaño
    Diámetros equivalentes: área-diámetro equivalente、perímetro-diámetro equivalente;
    Diámetros Feret: diámetros Feret máximo y mínimo, XLF ('longitud')

    Diámetros Martin: diámetros Martin máximo y mínimo;
    Elipse de Legendre: ejes mayor y menor
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BeVision-D2-Particle-Size-Parameters

 

 
     
  • Parámetros de forma
    Diferencia de tamaño en 2 direcciones: aspect ratio、L/W ratio、ellipse ratio;
    Round-likeness and rectangle-likeness: Circularidad、irregularidad、compacidad、extensión、razón de caja

    Concavidad del contorno: Concavidad、convexidad、solidez;
    Para partículas alargadas: Elongation、straightness
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BeVision D2 Particle Shape Parameters

 

 

5) Software BeVision: Ideas visualizadas para usted:

 


BeVision D2 Applications

 

 

6) Aplicaciones típicas:

 

BeVision D2 Applications

 

Citations

  • Bettersizer 2600

    Functional redundancy as an indicator for evaluating functional diversity of macrobenthos under the mussel raft farm near Gouqi Island

    DOI: 10.1016/j.aquaculture.2023.740024 Read Article Go logo
    Zhejiang Ocean University | 2024
    Biological traits analysis (BTA) helps to evaluate the effects of different environmental variables on the traits-based functional composition of macrobenthos. However, research on functional traits of macrobenthos under mussel farming is limited. We investigated the spatial and temporal response of the benthic system in terms of taxonomic and functional diversity to environmental variables of farming and natural stressors resulting from suspended mussel farming near Gouqi Island of eastern China Sea. The functional traits of macrobenthic assemblages under mussel farming were characterized by “medium adult body size”, “vermiform body form”, “high flexibility”, “infauna”, “semi-motile”, “gonochoristic”, “surface deposit-feeders”, “carnivores”, “semi-motile burrowers”, and “tube-dwellers”. Functional redundancy was stable in response to mussel farming stresses among seasons, whereas species diversity showed efficient to evaluate natural variables. Functional diversity was significantly affected by farming stressors rather than natural variables, Further analysis using multivariate methods together with continuous monitoring were highlighted to evaluate the impacts of mussel farming. Our results reinforce the importance of macrobenthic species and functional traits analysis to evaluate human stresses driven impacts in offshore ecosystems. By analysing the environmental variables with different sources, independently, we concluded the main effects of human pressures on macrobenthic community. Such distinction could be particularly effective to isolate variable environmental descriptors and evaluate their effects on functional diversity, making the current approach promising for the evaluation of ecological effects of anthropogenic stressors in aquaculture areas.
  • Bettersizer 2600

    Degradation characteristics and utilization strategies of a covalent bonded resin-based solid amine during capturing CO2 from flue gas

    DOI: 10.1016/j.seppur.2023.125621 Read Article Go logo
    China University of Petroleum | 2024

    In this study, various types of degradation as well as attrition which are possibly encountered in a circulating fluidized bed temperature swing adsorption (CFB-TSA) process, were conducted experimentally to evaluate the stability of a resin-based solid amine sorbent. Other characterizations methods, such as elemental analysis (EA), Fourier transform infrared spectroscopy (FTIR) etc. were applied to further reveal the degradation mechanisms. The results showed that thermal degradation occurs from 140–160 °C due to the decomposition of amine group. The CO2-induced degradation occurs from a higher temperature of 160–180 °C accompanied by the production of urea. Hydrothermal stability is good below 130 °C, but the ionic impurities in steam crystalized on particle surface can accelerate the degradation. Oxidative degradation is the most harmful, which starts at a lower temperature of 70–80 °C with the formation of aldehyde. The existence of H2O in atmosphere can alleviate the oxidative and CO2-induced degradations. The employed sorbent has a very low attrition index of 0.05, which is 1–2 orders lower than typical commercial fluidized bed catalysts. Based on the results of stability evaluation, some design suggestions for proper utilization of this sorbent or other similar resin-based sorbents have been provided in an industrial CFB-TSA process.

  • Bettersizer 2600

    De-branching of starch molecules enhanced the complexation with chitosan and its potential utilization for delivering hydrophobic compounds

    DOI: 10.1016/j.foodhyd.2023.109498 Read Article Go logo
    Shihezi University | 2024
    The current study aimed to prepare the complexes between debranched-waxy corn starch and chitosan polymers (DBS-CS), and then investigated their corresponding structural characteristics, rheological property and potent application in Pickering emulsion. The results indicated that the existence of chitosan significantly inhibited starch short-range molecular rearrangement for all DBS-CS samples, which was manipulated by both debranching treatment and chitosan content. Interestingly, this is the first study to reveal that the outstanding peak at 1.8 ppm in 1H NMR spectrum for sample DBS-CS was gradually shifted towards a lower-field region following an increased chitosan content. Moreover, the debranching treatment shifted the crystallinity pattern from A-type to B-type and the relative crystallinity of DBS-CS decreased gradually with the increased content of CS. All samples had a pseudoplastic fluid and shear-thinning behavior with an enhanced shear resistance following the complexation. The DBS-CS was applied in a Pickering emulsion for showing a greater emulsifying stability and a lower gel strength than native NS-CS prepared emulsion. Importantly, the encapsulation ability of curcumin in the DBS-CS emulsion was significantly improved, followed by an increase of 15.45% for its corresponding bioavailability compared to the control. Therefore, this study might highlight a potential carrier for delivering the bioactive substances in a green pattern.
  • Bettersizer 2600

    Heat-induced aggregation behavior of wheat gluten after adding citrus pectin with different esterification degree

    DOI: 10.1016/j.foodhyd.2023.109420 Read Article Go logo
    Gansu Agricultural University | 2024
    Wheat gluten aggregation during heat treatment is beneficial to the final quality of gluten-based products. Exogenous pectin can affect gluten aggregation. However, the effect of pectin with different degrees of esterification on the heat-induced aggregation behavior of gluten and its possible mechanism are still unclear. Thus, the heat-induced aggregation behavior of gluten after adding pectin with different esterification degree was studied in this study. When the temperature was raised from 25 °C to 95 °C, pectin affected gluten aggregation and was related to the degree of esterification. Specifically, the results of rheological properties and particle size indicated that low-ester pectin improved the viscoelasticity of gluten and promoted gluten aggregation. Thermal properties revealed that enthalpy of gluten added with low-ester pectin (37%) increased from 92.96 J/g to 95.40 J/g during heating process. Structurally, the fluorescence intensity and surface hydrophobicity of gluten added with low-ester pectin (37%) were lower than those added with high-ester pectin (73%). In addition, low-ester pectin (37%) significantly increased the disulfide bond content (from 15.31 μmol/g to 18.06 μmol/g) and maintained β-sheet content of gluten compared with gluten alone at 95 °C, indicating that low-ester pectin was more likely to induce gluten aggregation. However, scanning electron microscope showed that the gluten added with low-ester pectin (46%) exhibited a denser network structure at 95 °C than that added with low-ester pectin (37%). These results will provide a theoretical base for the regulation of gluten aggregation and the quality of gluten-based products by pectin with different esterification degree.
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    A Guide to Particle Size and Shape Parameters By Image Analysis

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