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Particle Analysis / Particle Shape Analysis

BeVision D3

Dynamic Image Analysis
37+ Parameters
Fully Automated
ISO 13322-2
~3-Minute Test

The BeVision D3 Series measures the size and shape distribution of dry powders and granules in real time. Its dual high-speed CMOS camera system classifies over one million particles per measurement, delivering results across 37+ parameters in approximately 3 minutes.

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BeVision D3 Series — Dynamic Image Analysis Instrument
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0.5 μm–26 mm
Measurement range (model dependent)
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37+
Size and shape parameters
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5 MP
Global-shutter CMOS camera
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≤0.5%
D50 repeatability
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~3 min
Typical test cycle
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100%
Sample recovery rate
✅
ISO 13322-2
Dynamic image analysis standard
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DIA
Dynamic Image Analysis principle
BeVision D3 — DIA Optical System and Sample Flow

Dynamic Image Analysis

Real-Time Particle Imaging

Dispersed particles pass through a precisely defined detection zone. Uniform background illumination across the full field of view produces high-contrast particle projections, which the dual high-speed CMOS camera system captures and analyzes in real time.

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Dual CMOS Camera System
Coarse and fine particles are measured simultaneously. A single measurement delivers complete size distribution data for broad-range samples.
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Green Parallel Planar Light Source
Stable illumination and consistent grey values across the entire field of view simplify image binarization and improve measurement accuracy.
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Zero Perspective Distortion
The high-precision telecentric lens faithfully reproduces the true size and shape of each particle with minimal measurement error.
BeVision D3 — BV-F10 Free-Fall Disperser

BV-F10 Disperser

Patented Free-Fall Dispersion Technology

The BV-F10 delivers uniform, gentle dispersion for free-flowing powders and granules. Gravity-driven free-fall ensures highly representative particle presentation without mechanical stress or particle damage.

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Software-Controlled Dispersion
Funnel height, chute feed rate, and guide slot gap are set automatically. Feed rate is dynamically adjusted throughout the measurement.
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100% Sample Recovery
All particles are collected after measurement — a critical advantage for precious or quantity-limited samples.
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Broad Sample Compatibility
Operates with sample loads from 20 mg to 200 g. Low-friction and high-friction chute accessories accommodate different particle morphologies.

Frequently Asked Questions

What You Wonder About

It depends on the model: the D3 Pro covers 0.5 μm – 16 mm, the standard D3 covers 11.5 μm – 16 mm, and the D3 Macro covers 20 μm – 26 mm. The D3 Pro is the right choice when sub-micron resolution is required; the D3 Macro is suited to coarse granules and aggregates.

Laser diffraction provides only a size distribution. DIA additionally measures 30+ shape parameters — aspect ratio, circularity, convexity, Feret diameters, and more. DIA also records individual particle images, enabling visual verification and outlier analysis.

The typical test cycle is approximately 3 minutes, which may vary with sample type and feed rate. More than one million particles are classified per measurement, ensuring statistically reliable results.

The BeVision D3 Series is fully compliant with ISO 13322-2 (Particle Size Analysis by Dynamic Image Analysis) and ISO 9276 (Representation of Results of Particle Size Analysis). DIA results are directly comparable to sieve analysis data.

The dedicated calibration unit is certified by a National Metrology Institute and serves as both a calibration and verification tool in one device. Calibration and verification reports with 1 μm precision are generated automatically by the software.

The instrument operates with sample loads from 20 mg to 200 g depending on the material. The BV-F10 disperser's 100% sample recovery feature is particularly valuable for precious or limited-quantity samples.

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