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https://www.bettersizeinstruments.com/products/bettersizer-st-laser-particle-size-analyzer.html

At Bettersize, our mission is to provide best-in-class particle size measurement units, comprehensive solutions and exceptional customer services. We are dedicated to assist scientists, researchers and engineers around the world to understand material properties, facilitate research, improve production efficiency and beyond.

The Bettersizer ST is an automated laser scattering particle size distribution analyzer designed for industrial quality control. Its patented DLOS (Dual Lens Optical System) guarantees the instrument to provide consistent and reliable particle size distribution results. The SOP (Standard Operating Procedure) and automated analysis procedures are designed to help you save valuable time for quality inspection. Skip complex operations with Bettersizer ST: Simply click "Start", add the sample, and Bettersizer ST will provide the laser particle size analyzer for you.
Measurement: Particle size
Particle size range: 0.1 to 1000µm
Dispersion type: Wet
Technology: Laser diffraction
Analysis: Mie scattering theory and Fraunhofer diffraction theory
Detector: 86 high-speed photodetectors (forward, lateral and backward arrangements)
Measuring angle: 0.031-159°

EXCELLENT ACCURACY
Accuracy Verification of Standards
Duke standard samples were measured separately by the Bettersizer ST, showing the distribution peak in the correct position and narrow distribution with high accuracy.
The red line is the nominal size range of standards ± 1.0%, and the black dots are the measured sizes. As shown in the figure, the measurement accuracy of Bettersizer ST for standards is within 1%.

OUTSTANDING REPEATABILITY
Exceptional repeatability provided by Bettersizer ST ensures the reliability of the results. Rapid measurements with consistent and reliable results can ease your workload on quality control.
Excellent Repeatability From: - Stability of signal transmission systems - Efficient dispersion system - Automatic alignment keeps the instrument always in optimum condition - Signal acquiring rate up to 3500 times/second

Repeatability Tests
The outstanding repeatability of Bettersizer ST, demonstrated by the following two consecutive tests.

Legendary Ease-of-Use
The Bettersize software provides various functions that greatly reduce your workload.
Ⅰ . Intuitive Software
Ⅱ . Intelligent Data Evaluation for Quality Control
Ⅲ . Performance Validation
Ⅳ . System Inspection

Cost-Efficiency & Robustness

Outstanding Robustness
- Integrated casting of the bottom plate to protect the instrument
- Accurate measurements can be achieved even after a granulometry test/granulometry
- Long-life fiber semiconductor laser source
- Durable circulation tank with casted stainless steel
- Power-adjustable ultrasonic disperser with dry run protection

Compact Design
- Save valuable workspace for factories and laboratories with an internal wet dispersion system
- The DLOS ensures result accuracy and reliability, while avoiding folding optics that are susceptible to misalignment

Simple Maintenance
- Simple disassembly of sample cells allows a quick cleaning, which can be easily accessed without professional tools and excessive clean formulations
- Auto-cleaning function for the circulation tank eases the maintenance work greatly
- Auto-cleaning process can be easily customized in the software

Low Cost of Ownership
- Entry-level price for a laser particle size analyzer
- A measurement range that covers most applications can be achieved with DLOS without additional cost for a second laser source