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ANALYSETTE 22 NanoTec Laser Particle Sizer
The ANALYSETTE 22 NanoTec is the top model in the FRITSCH Laser Particle Sizer range. Taking into consideration backward scattering, a lower measuring limit of 0.01 ėm is achieved. The total measuring range from 0.01 to 1000 ėm can be switched to 15 - 2000 ėm through beam expansion. The zoom-function resolves the particle size distribution of a sample in up to 520 measurement channels.
For particle characterisation, both the size distribution and shape parameters can be identified. The ANALYSETTE 22 is the only instrument in the world with which you can obtain a particle size distribution and particle shape analysis in a single measurement.
Advantages:
- Lower measuring limit of 0.01 ėm
- Measuring time < 2 min
- Fully automatic switching between the dispersion modules
- Easy operation, excellent ergonomics and minimal space requirements
- Zoom-function for adaptation of the measuring range to your sample
- Size and shape analysis in a single step
- High measuring convenience thanks to SOPs
- Effective, automatic cleaning of the measuring circuit
- Integration into test equipment monitoring according to ISO 9001:2000
- Laser standard ISO 13320-1 is exceeded
Design Characteristics:
- Liquid and dry measurement in the same instrument
- Compact design
- High-quality components made in Germany
- Auto-alignment for both laser beams
- Integrated measurement data collection without additional hardware
- Use of decentralised 16-bit flash processors
- Complete calculation of the Mie theory
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ANALYSETTE 22 NanoTec particle sizer configurations:



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Wet Dispersion Unit
Fully automatic, efficient rinsing of the suspension without dead space is performed within the liquid dispersion module through the use of a motor-driven 4/2-way valve. With the integrated ultrasonic bath (approx. 500 ml volume, 50 watt output), even difficult to disperse samples can be measured without additional instruments. The digital ultrasonic generator keeps the specified output optimal and constant.
The powerful centrifugal pump with a capacity of 20 litres per minute transports even heavy particles that otherwise tend to sediment. The entire liquid volume can be completely pumped through within three seconds. The pump speed can be adapted to the properties of the sample. This technology ensures precise and reproducible measuring results.
All parts in contact with liquid are made of stainless steel and Viton. All functions are computer-controlled.


Dry Dispersion Unit
The dispersion module for dry samples prepares agglomerates using mechanical and pneumatic forces. The amount of sample supplied is metered by a high-tech, amplitude-controlled vibratory feeder. The dispersion takes place in a two-phase annular gap nozzle through air fins with aerodynamic wave formation at the nozzle outlet and high flow speed in the nozzle channel.
To operate the dry dispersion unit, a connection for oil-, water- and particle-free compressed air with a pressure of at least 5 bars and an air volume of at least 8 m3/h are
required.
The fully automatic measuring sequences can be freely programmed and saved. The entire functional process is controlled by an integrated microprocessor.


Wet and Dry Dispersion Unit
The combination instrument contains both modules for liquid and dry dispersion. The preferred dispersion type can be easily selected with a software command. Changing of the dispersion type is fully automatic without the need for any action by the operator.


Small Volume Dispersion Unit
The dispersion unit for small quantities completely meets the requirements for measuring expensive samples or measuring in solvents.
150 ml of suspension volume are rinsed through fully automatically by a motor-driven 4/2-way valve with low consumption and without leaving any of the material behind. The output of the extremely powerful centrifugal pump for gentle transport of the sample can be controlled. All parts in contact with liquid are made of stainless steel, Teflon and Viton.
Depending on the model and equipment, the matching measuring cell including holder and accessories are supplied. The change of the dispersion module takes place fully automatically.
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Contact us online or call 866-435-7897 to request a quote, discuss your application or arrange a product demonstration.

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