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Microtrac CAMSIZER X2 Particle Size and Shape Analyzer

The CAMSIZER X2 is a powerful, extremely versatile particle size and shape analyzer with a wide measuring range.

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Details

Brand

Country of origin

Germany

Measurement ranges

Module „X-Dry“ with „X-Fall“ 10 µm to 8 mm
Module „X-Dry“ with „X-Jet“ 0.8 µm to 5 mm
Module „X-Flow“ 0.8 µm to 1 mm

Measurement principle

Dynamic Image Analysis (ISO 13322-2)

Measurement time

approx. 1 to 3 min. (depends on the required measurement statistics)

Number of cameras

2

Sample volume

<20 mg – 500 g (depends on sample type and measurement mode)

Measurement speed

>300 images/sec

Size of detection analysis area

approx. 20 x 20 mm

Resolution

0.8 μm per Pixel

Particle size

Smallest diameter, length, mean diameter etc.

Particle shape

Aspect ratio (breadth to length), symmetry, sphericity, convexity etc. (ISO 9276-6)

Compressed air supply

approx. 6 bar

Compressed air consumption

approx. 25 – 140 l/min (depending on dispersion pressure selected)

Dimensions (H x W x D)

33.46×22.83×22.44in / 850×580×570mm

Weight (without PC)

110lbs / 50kg

Description

 

The CAMSIZER X2 is a powerful, extremely versatile particle size and shape analyzer with a wide measuring range that combines state-of-the-art camera technology with flexible dispersion options. Based on the principle of Dynamic Image Analysis (ISO 13322-2), the CAMSIZER X2 provides precise particle size and shape information of powders, granules and suspensions in a measuring range from 0.8 μm to 8 mm. The CAMSIZER X2 produces a particle flow which is characterized by an optical system with high resolution. An ultrabright LED stroboscopic light sources and two high-resolution digital cameras achieve a frame rate of more than 300 images per second which are evaluated in real time by a powerful software. Thus, the CAMSIZER X2 captures the images of hundreds of thousands to several millions of particles with highest accuracy within only 1 to 3 minutes. The CAMSIZER X2 provides a wide selection of particle information which allows for comprehensive and reliable characterization of the sample material. It is suitable for use in R&D as well as for routine tasks in quality control.

 

EXTREMELY WIDE MEASURING RANGE DUE TO DUAL CAMERA TECHNOLOGY

 

Microtrac’s unique dual camera technology is a landmark in the development of Dynamic Image Analysis (DIA). By simultaneously employing two cameras with different magnifications, extremely wide dynamic measuring ranges are archieved. This is accomplished without hardware adjustments or modifications and without compromising accuracy. Each camera is specialized for one measuring range.

The ZOOM camera analyzes fine particles with highest precision whereas the BASIC camera detects the larger particles with excellent statistics. A special algorithm combines the information provided by both cameras and delivers the exact size distribution in a possible range of more than three decades!

This arrangement resolves a significant drawback of many image analysis systems that employ only one camera, e. g. microscopes. Such instruments either cannot correctly report the fine particles in wide size distributions, or the large particles are not captured due to the small field of view.

 


MODULAR X-CHANGE SYSTEM

 

Correct sample preparation and dispersion of the particles before they pass the measurement field are as important as the actual analysis. Particularly for fine powders which tend to agglomerate, sufficient dispersion is crucial to the reliability of the measurement results. Therefore, various modes of sample feeding help to achieve separation of the agglomerates without destroying individual particles. Our Modular X-Change System fulfils this requirement in a perfect way.

 

ELABORATE DESIGN FOR MAXIMUM FLEXIBILITY

 

The CAMSIZER X2’s modular “X-Change” system offers three alternative dispersion options, permitting the selection of the optimum method for each sample type. The user may choose between wet dispersion with X-Flow or dry measurement either in free fall with X-Fall or in an air flow with X-Jet. The modules and cartridges are quickly and easily exchanged which makes working with the CAMSIZER X2 convenient and safe.

 

 

DISPERSION BY COMPRESSED AIR

The X-Jet module disperses the sample via a Venturi nozzle and is suitable for the effective analysis of powders. The actual measurement of the particles takes place in the air stream. Dispersion pressure may be set between 0 kPa and 460 kPa. This ensures optimum analysis conditions for all sample types.

 

 

DISPERSION IN LIQUIDS

CAMSIZER X2 also offers the option to analyze particles in liquids with the X-Flow module. The suspension flows in a closed circle through a glass cell where the cameras record the particle images. The integrated ultrasonic unit further aids in the dispersion process. 

 

 

DISPERSION BY GRAVITY

The X-Fall module is used for non-destructive measurement of sensitive samples in free fall to minimize particle breakage. The sample can be recovered after the analysis.

 

 

AIR PRESSURE DISPERSION WITH X-JET

Many materials tend to agglomerate due to surface forces. The X-Jet module effectively disperses the particles in an air flow while passing through a Venturi nozzle. The dispersion pressure can be set as required for individual particles. For sensitive granules, for example, reduced pressure ensures non-destructive measurement. After passing the measurement field, the sample is automatically removed from the analyzer by a vacuum cleaner.

 

WET MEASUREMENT WITH X-FLOW

The wet module X-Flow analyzes suspensions in a size range from 0.8 μm to 1 mm. The sample moves within a closed loop from the dispersion bath to the flow cell where the camera system captures the particle images. X-Flow comes with an ultrasonic bath and strong centrifugal pump to ensure efficient dispersion. Suitable dispersion media are water, alcohol, and also nonpolar organic solvents.

 

GRAVITY DISPERSION WITH X-FALL

Flowable, unagglomerated samples can be analyzed by using the X-Fall module. The measurement is non-destructive because the particles directly fall from a chute through the field of view. X-Fall is suitable for particle sizes up to 8 mm; the detection sensitivity for over-sized grains is extremely high. In contrast to dispersion by air pressure, the sample can be recovered after the measurement with X-Fall.



COMPARABILITY TO SIEVE ANALYSIS AND LASER DIFFRACTION

 

„Size“ is only defined unambiguously for spherical particles: the diameter is identical in all directions and orientations. For non-spherical particles, however, the dimensions can vary strongly, depending on the orientation and direction of measurement. Traditional sieve analysis, for example, separates particles on a wire mesh sieve stack with different aperture sizes into fractions.

 

 

The smallest possible sieve aperture that a particle can pass is defined by the particle’s smallest projection area. Hence, sieve analysis measures particles in a preferential orientation and provides information which is mostly based on the width of the particle. Particle size analysis with Laser Diffraction (LD) relates all measuring data to the diameter of a spherical particle model. Only dynamic image analysis offers different size definitions which can be ascertained simultaneously. This makes the results comparable to those obtained with other techniques. The outstanding strength of DIA is the possibility to measure width and length of a particle and to provide a size distribution based on these parameters. The particle width (red curve) can easily be compared to sieve analysis results.


ACCESSORIES AND OPTIONS

 

Microtrac offers a variety of hoppers and chutes for special applications. Dispersion nozzles and cuvettes are available in different aperture sizes to ensure optimum conditions for each measurement. Calibration of the CAMSIZER X2 only takes one minute and can be carried out by using a high-precision reference reticle.

 


HOPPERS AND CHUTES

To achieve optimum feeding conditions, even for adhesive powders, we offer different chutes made of either stainless steel or aluminium hard-coat. 
The hoppers can be made of aluminium or stainless steel and can hold up to 0,6 l of sample. The hopper is adjustable in height which promotes uniform flow of the sample.



DISPERSION NOZZLES

There are nozzle sets with different sizes of the orifice available for the X-Jet module. The standard aperture is 14 mm x 4 mm which is suitable for most samples to be analyzed. For very large or very small particles, other nozzle sizes can be advantageous.



REFERENCE OBJECT

By using a high precision reference object made by electron lithography, which simulates differently sized particles, the CAMSIZER can be recalibrated in a few seconds at any time. This means that the requirements of modern test agent monitoring are fulfilled.



PROTECTIVE HOOD (X-JET, X-FALL)

The protective hood prevents the release of dust to the environment during the measurement. It can be flushed with inert gas for samples that should not be too long exposed to the ambient air. Furthermore, the hood will reduce the noise level by more than 5 dB. 


FREEFALL SHAFTS (X-FALL)

For the X-Fall module, the standard aperture is 7 mm x 14 mm, for larger particles a freefall unit with 14 mm x 14 mm is available.


CUVETTES (X-FLOW)

Three high quality quartz glass cuvettes are available for the X-Flow module. The cuvettes have different gap widths of either 4 mm (standard), 2 mm or 1 mm.


PARTICLE ANALYZER CAMSIZER X2 TYPICAL APPLICATIONS

 

Many properties of bulk materials, like flowability, solubility, filtration efficiency, reactivity, abrasiveness, and taste, are significantly influenced by particle size. Therefore, particle size determination is commonly used as a part of quality control in many different industries.

 

 

 

metal powder

 
  • metal and ore powders
  • cement
  • chemicals
  • activated carbon
  • detergents
  • construction materials

 

chemicals

 
pharmaceutical powders / granules 
/ fine pellets glass 
/ glass beads
  • plastic fibers
  • plastic powders
  • wood fibers
  •  

 

coffee

 
  • food
  • salt 
  • sugar
  • refractory materials
  • abrasives
  • sand