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Bettersize
Bettersizer 2600 Plus

Laser Diffraction and Dynamic Image Analysis

  • Size and Shape in One Platform: a combination of laser diffraction and dynamic imaging
  • Wide Range: 0.02–3500 μm for most materials and workflows
  • Modular Dispersion Units: flexible wet and dry setups for different samples and solvents

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Bettersizer 2600 Plus ● Size and Shape in One Platform: a combination of laser diffraction and dynamic imaging ● Wide Range: 0.02–3500 μm for most materials and workflows ● Modular Dispersion Units: flexible wet & dry setups for different samples and solvents

Bettersizer 2600 Plus combines laser diffraction and dual-camera dynamic imaging on one modular platform, delivering size and shape characterization across 0.02–3500 μm. Laser diffraction provides fast, repeatable particle size distributions using a 92-detector array and Mie/Fraunhofer models. Dynamic imaging captures high-speed particle images to quantify size and shape, with visual evidence for agglomerates, irregular particles, and oversized tails. With a modular design, Bettersizer 2600 Plus supports a broad selection of wet and dry dispersion units. This enables flexible setups for different sample types, volumes, and solvents, so one instrument can meet diverse applications and industries

Key Features

Principle

Laser Diffraction technology, Dynamic Image Analysis
Analysis

Mie scattering theory, Fraunhofer diffraction theory, Dynamic image analysis
Data acquisition rate

11 kHz
Typical measurement time

Less than 10 seconds
Measurement range

0.02–2,600 μm (wet); 0.1 – 2,600 μm (dry); 2-3,500 μm (dynamic image)
Acuracy

≤ 0.5%
Repeatability

≤ 0.5%
Number of size classes

100 (adjustable)
Optical System

Laser Diffraction System
Laser

10 mW, 635 nm
Detector

92 detectors
Measuring angle

0.016-165°
Alignment

Automatic
Optical System

Dynamic imaging system
CMOS Camera

0.5x and 10x
Measuring range

2-3,500 μm
Frame rate

70 fps at 5 MP
Laser

Class 1 (IEC60825-1 and 21CFR1040.10)
Regulatory

RoHS, CE
Standards

ISO 13320, ISO 13322-2, USP <429>

Software

21 CFR Part 11
Supply voltage

100-240 VAC, 50/60 Hz
Dimensions (LxWxH)

745 × 305 × 305 mm
Weight

33 kg
Computer interface

At least two high-speed USB 2.0 and two USB 3.0 port required
Operating system

Windows 10 or higher
Hardware specification (recommended)

Intel Core i5 Processor, 16 GB RAM, 512 GB SSD, 1920 × 1080 (Full HD)

Dispersion Units

 Bettersizer 2600 Plus Family 

Wet Dispersion Units
 
Consistent Dispersion Workflow for Reliable Results
 

Wet dispersion introduces the sample into a selected liquid medium, such as water or a compatible organic solvent, to form a stable suspension. A controlled workflow, typically defined by automated SOPs, keeps dispersion conditions consistent.

Continuous circulation and stirring maintain homogeneity, integrated ultrasonic breaks agglomerates and helps release entrapped air, and the suspension passes through the optical measurement zone and is recirculated for repeatable analysis. Automated surfactant addition further improves wetting and suspension stability, reducing re-agglomeration and supporting reliable, operator-independent results.

Core Functions Across Wet Dispersion Units

Stirring and circulation: Ultrasonic energy: Surfactant addition:
maintain uniformity and reduce settling deagglomerate particles and help remove trapped air improve wetting and stabilize the suspension

BT-812
Automatic Wet
Dispersion Unit		 Most routine samples can be dispersed in water, so water-based wet dispersion is the most common workflow. For these applications, BT-812 is the primary wet dispersion unit for Bettersizer 2600 Plus, combining controlled circulation, ultrasonics, and automated liquid handling to deliver repeatable measurements.
• High-capacity circulation tank, maximum volume is 500 mL
• Centrifugal circulation pump with adjustable speed
• 50 W adjustable ultrasonic dispersion with dry-run protection
• Fully automated liquid handling system, including level monitoring and automatic dispersant addition
• Full software control for dispersion, measurement, and cleaning workflows
Parameter Specification
Measurement range* 0.02 – 2,600 μm
Stirring speed 300 – 2,500 rpm
Ultrasonic power 50 W max
Volume 500 mL max
Medium Water
SOP Yes
Dimensions (LxWxH) 257 x 275 x 308 mm (LxWxH)
Weight 11.5 kg
  Component ABS housing
304 stainless steel tank
Silicone tubing
Centrifugal pump
Peristaltic pump
Ultrasonic disperser
Quartz sample cell
Pinch valve
  * Sample and sample preparation dependent

Automatic Surfactant Addition Easy-to-Remove Wet Sample Cell
  • Automatic surfactant dosing during dispersion
  • Volume-controlled addition for consistent preparation
  • SOP settings for standardized workflows
  • Toggle-lock mechanism for quick installation and removal
  • Tool-free removal for everyday convenience

BT-80N Pro
Automatic
Anti-Corrosive
Wet Dispersion Unit		 BT-80N Pro is designed for wet dispersion workflows that require organic solvents or corrosive media.To meet these applications, key components are built with corrosion-resistant materials, improving long-term compatibility and reliability. 
  • Low-volume circulation tank: 80–120 mL
  • Broad organic solvent compatibility
  • Centrifugal circulation pump with adjustable speed
  • 50 W adjustable ultrasonic dispersion with dry-run protection
  • Full software control for dispersion, measurement, and cleaning workflows
  • Dual operation modes: local panel control or software control
Parameter Specification
Measurement range* 0.02 – 2,600 μm
Stirring speed 300 – 2,500 rpm
Ultrasonic power 50 W max
Volume 80 – 200 mL
Medium** Water, organic solvent
SOP Yes
Dimensions (LxWxH) 240 × 220 × 290 mm (LxWxH)
  Weight 9 kg
  Key Component 316L Stainless-steel housing
PTFE tubing
316 Stainless-steel diaphragm pump
316L Stainless-steel tank
Quartz sample cell
Ultrasonic disperser
  * Sample and sample preparation dependent
** Compatibility depends on the wetted materials.
Please contact Bettersize to confirm compatibility with your solvent.

BT-80N
Anti-Corrosive
Wet Dispersion Unit		 The BT-80N is a cost-effective, entry-level solution that provides essential solvent compatibility for routine measurements.
  • Compact circulation tank: 50–80 mL
  • Centrifugal circulation pump with adjustable flow
  • 50 W adjustable ultrasonic dispersion with dry-run protection
  • Broad organic solvent compatibility
  • Operation modes local panel control 
Parameter Specification
Measurement range 0.02 – 2,600 μm
Stirring speed 300 – 3,000 rpm
Ultrasonic power 50 W max
Volume 50 – 80 mL
Medium Water, organic solvent
SOP No
Dimensions (LxWxH) 290 × 210 × 375 mm (LxWxH)
Weight 11 kg
  Key Component 316L Stainless-steel housing
PTFE tubing
316L Stainless-steel tank
Quartz sample cell
Ultrasonic disperser

BT-814
Small-Volume
Wet Dispersion Unit		 The BT-814 is specifically designed for measurements where sample availability is limited or material value is high. It supports dispersion in both water-based and organic solvents, providing maximum flexibility across a wide range of applications.
  • Small-volume sample cell: 8 mL
  • Broad dispersion media compatibility
  • Controlled stirring for stable dispersion conditions
Parameter Specification
Measurement range* 0.02 – 2,600 μm
Volume 8 mL
Medium Water or organic solvent
SOP No
Dimensions /
Weight /
  Key component ABS housing
Quartz sample cell
316L Stainless-steel stirrer
  * Sample and sample preparation dependent

Dry Dispersion Units

Controlled Deagglomeration for Repeatable Results

Dry dispersion introduces powder samples into the system with gases as media. The sample is delivered into the disperser by controlled vibration.

Inside the disperser, particles are accelerated by a precisely controlled high-pressure gas stream through a Venturi device. Shear forces, interparticle collisions, and particle–wall collisions break down agglomerates before measurement.

The dispersed particle stream then passes through the laser diffraction measurement zone for analysis, and is safely evacuated and collected by a vacuum unit.

Shear forces
high-velocity airflow separates loosely bound agglomerates during acceleration and transport

Inter-particle collisions:
collisions under controlled flow promote deagglomeration and dispersion stability

Particle–wall impacts:
impacts with the inlet pathway enhance agglomerate breakup before measurement

BT-912
Automatic Dry Dispersion Unit
The BT-912 is the primary dry dispersion unit for routine powder dispersion using compressed gas. It supports a wide range of powders, including friable and cohesive powders. Parameter Specification
Measurement range* 0.1 – 2,600 μm
Powder mass 0.2 – 10 g
Gas pressure 0.1 – 0.8 MPa
  • Representative sampling: 0.2–10 g for standard laboratory analysis and QC
  • Controlled feeding: adjustable hopper position and vibration frequency to stabilize obscuration
  • Flexible gas supply options: compatible dispersion for diverse dry powders
  • Fully automated sample feeding and cleaning: improves efficiency and consistency
 Funnel height 0.7 – 2.9 mm
Medium Air, nitrogen or noble gases
SOP Yes
Dimensions 276 x 189 x 243 mm
Weight 8 kg
Key Component 304 Stainless-steel funnel
304 stainless-steel feeder
Venturi disperser
Vacuum cleaner (optional)
Air Compressor (optional)
* Sample and sample preparation dependent

BT-903
Small-Volume Dry Dispersion Unit
BT-903 is the small-volume dry dispersion unit, designed for powder measurements when sample amount is limited. Samples are preloaded in a tube and introduced into the disperser by controlled gas flow and negative-pressure suction, enabling stable and repeatable sampling. Parameter Specification
Measurement range* 0.1 – 2,600 μm
Powder mass 0.02 – 1 g
  • Negative-pressure sampling: stable small-quantity feeding with 0.02 – 1 g sample dosage
  • Quick tube replacement: reduces carryover
  • Removable glass tube: easier maintenance and thorough cleaning
  • Fully automated feeding and cleaning: improves efficiency and consistency
  • Flexible gas supply options: compatible dispersion for diverse dry powders
 Tube volume 5 mL max
Gas pressure 0.1 – 0.8 MPa
Medium  Air, nitrogen or noble gases
SOP Yes
Dimensions 195 × 260 × 245 mm
Weight 5 kg
    Key Component Plastic sample tube
316 Stainless-steel tubing
Silicon tubing
Venturi disperser
Vacuum cleaner (optional)
* Sample and sample preparation dependent Air Compressor (optional)

Module Selection

Easy Module Selection

The Bettersizer 2600 Plus features both wet and dry dispersion units for effective particle dispersion, along with a dynamic imaging module to expand the measurement range and perform particle shape analysis. Our decision tree* for module selection helps users choose the right dispersion unit and determine if the dynamic imaging module is necessary.

Applications


Pigments


Coffee


Chocolate

Ceramic Powders

Lithium Batteries

Powder Coatings

Abrasives

Mineral Pigment

Pharmaceuticals

Powdered Milk


Cement


Coffee 2


Lactose

Pharmaceuticals 2

Chinese Medicine

Technology

Laser Diffraction

Software

 Smart and Powerful Software 

Bettersizer Software is designed to optimize the entire particle size measurement workflow, covering every stage from sample preparation and measurement control to data analysis and report generation. Seamlessly integrated with the Bettersizer 2600 Plus, it streamlines routine operations through a high level of automation, reducing manual intervention while improving efficiency and result consistency.

  • Real-time laser diffraction view: monitors obscuration and signal status while updating the particle size distribution during the run.
  • Dynamic imaging window: supports image-based testing to add particle shape information alongside size results.
  • Individual particle view: provides image-level review of captured particles
  • Imaging size results: displays image-derived particle size distributions for verification and extended coverage.
  • Shape scatter plots: visualizes size–shape relationships to distinguish particle distribution and shape trends.
  • Test record table: organizes run history and key parameters for traceability, comparison, and reporting.

Smart Dispersion Control SOP-Based Automation Flexible Measurement Modes


“Auto Dispersion Setting” automatically determines the optimal dispersion time based on real-time repeatability. It stops when the user-defined repeatability target is met, or selects the best-repeatability interval at the maximum time.


SOPs standardize the full workflow beyond basic stirring, ultrasonics, and circulation. Automated functions can include auto dilution to maintain target obscuration, automatic dispersant addition, and report generation/printing, improving consistency across operators and laboratories.


Users can select laser diffraction, dynamic imaging, or combined LD and imaging modes to match sample characteristics and reporting needs, enabling both particle size and shape characterization within a unified workflow.

Software Features Across the Testing Workflow

 1. Automatic Pre-processing  2. Automated System Preparation 3. Real-time Testing 4. Data Evaluation and Reporting

Users can easily create new tests based on laser diffraction and dynamic image analysis methods. The software supports both automated and manual control, providing flexibility for various sample types and testing conditions.

The SOP offers a streamlined solution for standardized and automatic testing, ensuring operator-independent results that are consistent and reliable.

 The Bettersizer software significantly enhances data quality by automating critical instrument functions like system cleaning, optical alignment, and sample dispersion. These automated processes ensure optimal instrument performance, leading to increased precision, accuracy, and reproducibility of results. During the testing process, Bettersizer software delivers real-time insights into particle size distribution and shape. These immediate results provide valuable information on test progress and outcomes, enabling precise adjustments to achieve optimal results. The Bettersizer software excels in delivering comprehensive data analysis and report generation capabilities. The software allows users to customize and edit reports to meet specific requirements, including various data points, charts, and graphical representations, to create clear and informative reports. The data evaluation tools can help in assessing the result quality.
Combined Test
 Automatic Dispersion Settings
 Imaging Analysis Window
 Data Interface
New SOP Screen
 Auto-alignment
 Laser Diffraction Analysis Window
 Data Evaluation

Reporting and Data Export

Highly Customizable Report


● Complete and detailed data: Frequency and cumulative distribution curves, simplified and complete distribution table, etc.
● Editability: Users can easily edit the reports and change the font, layout, format, etc.
● Convertibility: Users can switch the formats of reports freely among PDF, Excel, Text, etc.

Citations

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Outstanding service

I have been using Meritics for a number of years and they always provide outstanding service and support.
They have a rapid response turnarounds and are very knowledgeable of the techniques and products they provide.

LeanneB-375

Good service, very helpful

We use Meritics for the PM service and installation of all our FlowCams . Megan has been coming to our site for a number of years. She is very efficient in her work, but most of all Megan is very helpful. We have had issues with one of instruments after the install and Megan did her utmost to try and solve it while on site, even though it wasn’t solved Megan has been in contact with the supplier of the instrument to try and solve this problem for us.

SophieH-2201

Job done in a friendly manner

Booking engineer visits is always easy. David Lowe, Meritics engineer is always very friendly.

ThierryN

Service/calibration visit

Excellent service, arrived on time, polite, friendly and informative.

NathamM-270

5 Stars

Excellent service from an excellent company. Would recommend them to anyone.

BarryH-480

Good Service

David, our service engineer as usual was good at communicating and setting up the recent service appointment, he arrived on time, did the service promptly and informed me of any problems. Friendly and helpful

TomA-446

Superb and prompt service

I have used this company through the laboratory I work for frequently. We specialise in soil analysis, and Meritics were chosen as they have extensive knowledge of the instruments we use. We have several laser particle diffraction analysers with a service contract, and service is always very prompt and meticulous….

JamesG-2483

Good experience over two years

Meritics have covered the annual servicing of our Multisizer 4e instrument since we purchased it from them just over two years ago. The application scientist who performed the servicing was friendly, knowledgeable, and extremely helpful, happily answering a barrage of questions about how best to use and maintain the instrument. All my interactions with Meritics staff have been positive. I would happily recommend them.

RajG-62

Fully committed to customer service

Service second to none, both units serviced and all questions answers by engineer while on site.

RichardA-786

Highly recommend Meritics for equipment purchases and aftercare services

After owning one of our instruments for over 8 Years which was purchased from Meritics, it suffered its first breakdown. Upon contacting Meritics, I was instantly put through to an engineer who was very helpful. Upon inspection of the manual, it was decided that it would be more cost effective to have a Meritics engineer visit. The Meritics staff were very communicative and kept me up to date.

Excellent Service

Lovely, friendly and extremely helpful. David and his team are always on call with advise and are very easy to work with and are always happy to help.

NaomiT-64

Service of lab equipment

Excellent service. Friendly and professional service was provided in a timely manner to the expected standard.

NathanM-270

Excellent

Excellent communication. Updates given well in advance. Very polite staff and engineers.

NathanM-270

Multisizer 4e install at pharmaceutical company

2 people helped with the install of a Multisizer 4e. They were both very professional and friendly, answering any questions that I had. The installation was quick and the attention to good documentation practice was exceptional.

Chloel-9

Service of Beckman Coulter instruments

Always a pleasure to welcome the Meritics service engineer, who is knowledgeable, personable and extremely competent.

NeilT-394

Professional

Friendly and collaborative staff, provided a very good service.

SamK-403

Professional, Customer-oriented, fast service

We had issues with one of the aperture tubes provided by Meritics on a Friday afternoon, while very pressed for a review deadline. Meritics handled our inquiries very fast and professionally and helped us out by shipping us their spare tube to use in the mean time free of charge, while we waited for our new tube to arrive. Communication was very pleasant.

VeerleB

Very helpful and prompt

I emailed for some technical help and also to get some spares and both the engineer (David) and purchasing (Sophie) were very prompt to respond and helpful. We do have a service contract but I appreciated being able to email the engineer directly.

AlexH-474

Excellent Service

Used Meritics to conduct particle size distribution by laser diffraction. Service as last time, is very quick, well priced and professional.

I would highly recommend

GavinR-101

Excellent and Friendly Service

Always a pleasure to deal with the people at Meritics Ltd. They understand the importance of our work and the fact that our research projects have deadlines that need to be met. Consequently, problems are dealt with very quickly and professionally and they are willing to go that one step further to make sure their supply chain problems don’t become our problems. Thank you to the team for their support. It is greatly appreciated.

JanetH-255