Mastersizer 3000+ Pro

The Smartest Way to Measure Particle Size

The Mastersizer 3000+ Pro is a mid-tier laser diffraction device for particle size analysis when a vast size range is not required. This instrument provides accurate size measurements ranging from 0.1 to 1000 microns and has a more advanced software experience with Mastersizer Xplorer and automatic dispersion options.

Image Credit: Malvern Panalytical


The Mastersizer 3000+ Pro produces the finest quality data for applications that require micron-scale scaling capabilities and the sophisticated software choices of Mastersizer Xplorer.

  • Robust and dependable sizing performance in the range of 0.1-1000 µm, ideal for users that do not require sub-micron or millimeter scale size information.
  • The user-friendly software includes tools for automated measurement setup, method creation, and live data monitoring. Includes new Data Quality Guidance and SOP Architect functionality.
  • Various manual and automatic attachments for measuring suspensions, emulsions, and powders provide flexibility to match specific sample needs.
  • Smart Manager provides real-time health monitoring to save downtime and enhance the particle size experience.
  • Upgrade option to Mastersizer 3000+ Ultra
Mastersizer 3000+: Class leading performance with added intelligence


Source: Haydale Limited

Particle size Suspensions, emulsions, dry powders
Principle Laser light scattering
Analysis Mie and Fraunhofer scattering
Data acquisition rate 10 kHz
Typical measurement time <10 sec
Dimensions (W, D, H) 690 mm x 300 mm x 450 mm
Weight 30 kg
Red light source Max. 4 mW He-Ne, 632.8 nm
Blue light source None
Lens arrangement Reverse Fourier (convergent beam)
Effective focal length 300 mm
Arrangement Log-spaced array
Angular range 0.032 - 60 degrees
Alignment Automatic
Particle size 0.1 - 1000 µm *
Number of size classes 100 (user adjustable)
Accuracy Better than 0.6% **
Precision / Repeatability Better than 0.5% variation *
Reproducibility Better than 1% variation *
System compliance
Laser safety Class 1, IEC60825-1:2007 and CFR Chapter I: Sub-chapterJ: Part 1040 (CDRH)
Regulatory testing RoHS and WEEE-compliant, CE / FCC-compliant. Meets requirements of the European Low Voltage Directive
Power 100/240 V, 50/60 Hz 50 W (no dispersion units connected) 200 W maximum (2 dispersion units connected)
Humidity 80% maximum for temperatures up to 31 °C, decreasing linearly to 50% at 40 °C. Non condensing.
Operating temperature (°C) +5 °C to +40 °C
Product storage temperature -20 °C to +50 °C
Ingress Protection (IP) rating IP41B
Patents The Mastersizer optical bench is protected by patents based on applications WO2013038161, WO2013038160 and WO2013038159. 

* Sample and sample preparation dependent 
** Accuracy defined for the measurement of monomodal latex standards. This specification accounts for the manufacturer’s uncertainty in the latex size. Sample and sample preparation dependent.  

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