Autosampler 2000 - Automated Particle Size Distribution Measurements

 

For laboratories with high sample throughput, the real value of using SOPs is seen when fully automated particle size distribution measurements are made without operator intervention. Automatic preparation and dispersion of samples for the Mastersizer 2000 gives true intervention-free operation to free key personnel for other tasks.

The Autosampler has a capacity of 36 samples and the ability to hold either wet or dry sample material. It is equipped with a bar code reader to identify the contents of each sample pot and automatically apply the appropriate measurement protocol for the dispersion. Optimum sample conditioning is achieved with the ability to add correct doses of different additives and dispersants.

• Sample recognition.
  By built-in bar code reader.
• Sub-sampling Mechanism.
  In-pot addition and mixing of dispersant and up to 2 additives. Isokinetic sampling ensures exceptional accuracy of sample extraction. Auto concentration assures reliable adjustment of sample concentration to optimize sample particle size distribution measurement. Auto wash between particle size distribution measurements eliminates cross contamination.
• Dispersion Type.
  Wet, for operation with Hydro S or Hydro G sample dispersion units.
• Sample handling capability.
  Disperses and prepares suspensions, emulsions or dry powders.
• Capacity.
  36 samples.
• Sample scheduling.
  Via scheduling software – samples prioritized by on-screen "dragging and dropping". Color coding of sample measurement status allows at-a-glance assessment of work in progress. Off-line scheduling allows preparation of sample trays in advance for uninterrupted operation of the Autosampler.
• Operation
  Automatic via SOPs
• Typical Applications
  Minerals, fillers, soils, pharmaceuticals, cement, chemicals, pigments.
• Solvent Compatibility
  The circulation path consists of the following materials : Viton ® fluorastomer (seals, and sample flow valve), glass, 316 stainless steel and PTFE/Peek ®

Specification

The Autosampler is equipped with a bar code reader to identify the contents of each sample pot and automatically apply the appropriate measurement protocol to determine the particle size distribution.

Parameter

Specification

Dispersion type:

Wet.

Typical applications:

Minerals, Fillers, Chemicals, Foodstuffs, Emulsions.

Dispersion Mechanisms:

Independent stirrer.

Modes of operation:

Automatic via SOPs.

Weight:

32 kg.

Dimensions:

Width: 550 mm.
Height: 560 mm.
Depth: 365 mm.

Power:

100-120 V/200/240 V AC, 50/60 Hz, 240 VA.

Maximum size of particles:

1000 – 1500 microns dependent on
particle shape and density.

Chemical compatibility

This section lists all materials that come into contact with the sample and dispersant in the normal operation of the unit.

Parameter

Specification

Materials in contact with the dispersant:

316 stainless steel.
P. F. A. tubing.
Carbon impregnated PTFE
Tygon tubing (grade F-4040-A).
Nitrile rubber.
Polypropylene.

Materials in contact with the dispersant in the shower line:

316 stainless steel.
PFA tubing.

Materials in contact with the additives:

Carbon impregnated PTFE
PFA tubing.
Viton.