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Particle Analysis / Laser Particle Size Analysis

BT-Online2

Wet Dispersion In-line
0.02 – 2000 µm
92 Detectors
Fourier Optics
External Dilution

The BT-Online2 is an in-line particle size analyzer designed for direct integration into production lines. Its patented Fourier + Reverse Fourier optical system and 92 detectors deliver continuous real-time PSD measurement across 0.02–2000 µm. Precise results even in high-solids slurries.

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BT-Online2 Online Particle Size Analyzer
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0.02–2000 µm
Measurement range — nano to coarse
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92 pcs
Precisely positioned detectors
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Wet
Liquid dispersion — external dilution
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Fourier
Patented Fourier + Reverse Fourier optics
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In-line
Direct production line integration
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D10/D50/D90
Full PSD curve + Sauter, De Brouckere
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ISO 13320
Laser diffraction standard compliance
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Mie & Fraunhofer
Calculation theory
BT-Online2 — Patented Fourier optical system

Patented Optical Architecture

High Resolution Across the Full Range

The BT-Online2's patented Fourier + Reverse Fourier lens arrangement and 92-detector design analyzes 0.02 µm nano-particles and 2000 µm coarse materials on a single platform with equal precision. Process control without manual sampling.

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High-Solids Compatibility via External Dilution
High-solids slurries that clog conventional instruments are measured without issue through the external dilution system. Full accuracy in dense samples such as battery electrode slurry and chemical synthesis streams.
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Uninterrupted Accuracy — Patented Optics
The Fourier and Reverse Fourier lens arrangement maintains consistent signal quality across the entire measurement range. 92 detectors capture compact particles and broad distributions with equal fidelity.
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Industrial Process Control Integration
Real-time D50, D90, and full PSD data can be transferred to PLC and SCADA systems. Particle size deviations on the production line are detected immediately and process parameters can be corrected in real time.

Frequently Asked Questions

What You Wonder About

The BT-Online2's patented Fourier + Reverse Fourier optical architecture and 92-detector configuration deliver high resolution across a wide measurement range (0.02–2000 µm). The external dilution system prevents clogging during high-concentration slurry measurements — a capability not found in many competing instruments.

Operating on the laser diffraction principle, the BT-Online2 is suitable for particle size analysis requirements under ISO 13320. It can be used for pharmaceutical suspension and API characterization in the pharmaceutical sector.

The automatic external dilution unit dilutes the concentrated sample in a controlled manner before measurement. This keeps optical obscuration constant and produces repeatable, accurate PSD results. No manual intervention is required.

The BT-Online2 provides data output that can be integrated with industrial PLC and SCADA systems. Real-time D50, D90, and full PSD data can be transferred to process control software for real-time production parameter optimization.

The BT-Online1 is designed for dry powder production lines and can monitor up to 4 lines simultaneously. The BT-Online2 is developed for wet-method lines and measures high-concentration materials such as battery slurry, pharmaceutical suspensions, or ceramic slip. If your application involves liquid dispersion, the BT-Online2 is the right choice.

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