Bettersizer ST

Practical and economical laser particle size analyzer (compact model)

Bettersizer ST Laser Diffraction Particle Size Distribution Analyzer is the ideal combination of performance, price, and packaging. Based on the advanced optical design of Bettersizer series analyzers, the ST provides stable and reliable testing results with minimum user intervention. The compact size (660 mm x 420 mm) of ST saves valuable workspace.

● Measurement: Particle size
● Particle size range: 0.1µm to 1000µm
● Dispersion type: Wet
● Technology: Laser diffraction

Category:

Description

Features and Benefits

Measuring range:
Particle size from 0.1μm to 1000μm.

• Dual Lenses Optical System (DLOS): optical design provides accurate results for particle size analysis.

• Standard Operation Procedure (SOP): offers a one-button operation.

• Compact design: saves work space.

• Automatic alignment and automatic testing lead to good repeatability with relative standard deviation (%RSD) of less than 1%.

Specification

Testing parameter Material
Particle size distribution Suspension, emulsion, dry powder
General Bettersizer ST
Theory Laser diffraction
Analysis theory Mie and Fraunhofer
Testing speed 3kHz
Typical measurement time ≤10second
Size
Size range 0.1 – 1000µm
Number of size classes More than 100 customized grades
Accuracy ≤1% (GBRM D50)
Repeatability ≤1% (GBRM D50)
Resolution ratio Single peak, double peak, multi-peak
Optics
Red light Max. 3mW, Semiconductor optical fiber laser, 635nm
Lens arrangement Dual lenses on the right and left of sample cell
Lens design F-Theta Lenses
Effective focal length 223mm
Detector
Arrangement Log-spaced array
Quantity 86 pieces (forward, lateral, backward)
Light path adjustment Intelligent automatic alignment
Sample dispersion system
Dispersion type Wet
Dispersion system Ultrasound 50W, 38 KHz dry-run protection system
Water circulation Centrifugal pump, 3000 -8000ml/min, auto water intake and rinsing
Water capacity 600ml
Software
21 CFR Part 11 Enable
SOP Designer Enable
Report More than 14 formats report
Auto test Enable
Data export EXCEL, PDF,WORD, JPG and etc.
System compliance
Laser class Class I laser product
System
Supply voltage 220VAC
Dimension 660mm x420mm x 320mm (L x W x H)
Weight 38kg
Computer specification
Computer interface At least a USB2.0 port required
Operation system Windows XP, Windows 7,8 or 10
Hardware specification Intel Core I5, 4GB RAM, 250GB HD

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