Particle Size Analyzer

Automatic Laser Particle Size Analyzer

The ZHIYI-P208 Automatic Laser Particle Size Analyzer is a high-performance wet-dispersion laser particle size testing instrument designed for accurate, efficient, and fully automated particle size distribution analysis. Built on laser diffraction Mie scattering theory, it delivers reliable results for materials with narrow to medium particle size distributions, making it ideal for routine quality control, R&D, and production monitoring across diverse industries.

Product Advantages & Features

1. Smart One-Button Automatic Operation

The intuitive smart operation mode supports fully automated workflows:

One-click testing: Initiate “Automatic Test,” follow prompts to add samples, and the system completes all steps automatically (water supply, drainage, bubble removal, ultrasonic dispersion, cleaning). Eliminates human error, reduces tester workload, and ensures consistent, repeatable operation.

2. Fully Integrated Wet Dispersion System

The built-in dispersion system combines mechanical stirring, ultrasonic treatment, and pipeline circulation for optimal particle preparation:

Mechanical stirring: 0–3000 RPM adjustable speed to prevent particle settling.

Ultrasonic dispersion: 40 KHz / 60 W power (≥1 second adjustable) to break up agglomerates.

Shortened circulation pipelines minimize secondary precipitation of large particles, improving accuracy.

3. Automatic Optical Alignment

A precision four-phase hybrid stepping motor drives the fully automatic centering system, achieving alignment accuracy of 0.1 microns.

Maintains optimal optical path stability, eliminating errors from manual alignment and ensuring long-term test result reliability.

4. Automatic Sample Cuvette Cleaning

Ultrasonic cleaning functionality integrated at the bottom of the sample window:

Reduces the frequency of manual cleaning/maintenance.

Improves cleanliness and extends the service life of the sample window, reducing downtime.

5. Unconstrained Free Fitting Technology

Proprietary unconstrained free fitting algorithm enables:

True reflection of particle size distribution without mathematical function limitations.

Accurate representation of complex distributions, avoiding distortion caused by forced fitting.

6. Advanced Optical Path Design

Patented converging light Fourier transform optical path enhances submicron particle detection capability. High-sensitivity ring-shaped photodetector arrays improve the accuracy of laser diffraction measurements.

Working Principal Picture

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