Bettersizer 2600

Laser Particle Size Analyzer(Dry & Wet Dispersions)

The integrated and robust laser particle size analyzer, Bettersizer 2600, can deliver reliable particle size measurement results from submicron to millimeter. Driven by the innovative optical system and Standard Operation Procedure (SOP), the Bettersizer 2600 wet and dry particle size analyzer strikes a harmonious balance between high-functionality, easy operation, low maintenance, and cost-effectiveness.

Measurement: Particle size

Particle size range:

Wet dispersion: 0.02 to 2600μm

Dry dispersion: 0.1 to 2600μm

Dispersion type: Wet and Dry

Technology: Laser diffraction

Precise measurement of both large and small particles covering the broadest range by a new patented technology utilizing both Fourier and Reverse Fourier optical systems

Optical bench with 92 detectors covering an angular range of 0.016° - 165°

Optional wet and/or dry dispersion

Small volume dry dispersing module for small sample quantities especially for pharmaceutical or valuable samples in short supply

Easy and fast to changeover between dispersing modules

Easy to implement, create and use Standard Operation Procedures for new materials

Automatic alignment of the optical system

User-friendly software, easily learnt

1)Fourier and Reverse Fourier optical system

Bettersizer 2600 particle size tester is characterized in particular by its unique and innovative optical bench design: the light focused on the detectors through the lens is scattered by particles and detected in both forward and lateral directions (Inverse Fourier structure). In contrast to conventional laser diffraction devices, the backscattered light passes through the lens a second time. In addition, the cuvette is positioned at an angle of 35° to the incoming laser light.

This smart setup allows, on the one hand, the detection of scattered light in a very wide angular range from 0.016° to 165°. On the other hand, in contrast to a pure Inverse Fourier structure, the particles do not have to lie in one plane – the simultaneous exact measurement of small and large particles is therefore achieved.

Fourier and Reverse Fourier optical system


Simple operation and a clear intuitive interface

Real-time mode for determining the optimal measurement conditions

Simple to use SOP operation

Fully automated measurement routine with automatic calibration

Automatic data backup and editable reports

Accurate analysis achieved by appropriate use of either the Fraunhofer or Mie evaluation models dependent on sample size and sample type

Automatic cleaning routine

Conversion from wet to dry dispersion at the touch of a button


Laser diffraction method conforming to ISO 13320

In a wet measurement, the particles are dispersed in a liquid medium in the dispersing module, additional dispersion may be performed by an ultrasonic disperser.

Various external modules are also available to achieve this purpose:

BT-802 – is a fully automatic standard dispersing module with integrated ultrasound and centrifugal pump for sample circulation with a volume of 600 ml. It is suitable for large sample sizes for materials that can be dispersed in water or alcohol.

BT-800N – is a dispersing module with medium volume (approx. 250ml) with ultrasound and centrifugal pump; suitable for non-polar solvents such as heptane, toluene and oil.Meanwhile, particle analyzer priceis affordable.



Dry dispersion is used when dry powders or granules are to be measured without the use of solvent. During sample preparation, the sample is pre-dispersed by a vibrating transmission channel, it falls into a channel and is transported by compressed air (venturi nozzle) through to the horizontal measuring cell. Dispersion is carried out by particle collisions with the wall of the container and particleparticle shear.

Switching dispersion modules is easy. Simply remove one module and replace it using its handle. Dry dispersion is also possible with a variety of external modules:

BT-902 – this is an automatic standard dry dispersing module with a particle conveying channel with adjustable conveying rate; adjustable dispersion pressure (up to max. 5 bar) enable it to be suitable for all powders and granules whether they be cohesive or free flowing.

BT-903 – is an automatic dry dispersing module for small sample sizes of powders; ideal for powders in research or pharmaceutical applications. 20 mg to 1 g sample sizes.Our particle sizer priceis affordable, welcome to consult.

Particle Characterization Solutions

Bettersize instrumentation, for example, laser diffraction particle size instrument, nano particle size analyzer, particle shape analyzer, Powder Characteristics Tester (also called "powder flow testers"), etc, is used in over 11,000 laboratories for the analysis of particle size distribution, particle shape, and powder characteristics.

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