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Sample Dispersion Unit, Malvern Instruments Hydro 2000S, Refurbished

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Sample Dispersion Unit, Malvern Instruments Hydro 2000S, Refurbished

Specifications:
– Sample volume: 50-120ml
– Particle size: Up to 600µm – sample dependent
– Dispersion mechanism: Centrifugal pump, stirrer and ultrasonic probe
– Dimensions (W, D, H): 352mm x 355mm x 332mm
– Power: 100-240V AC 50-60Hz

Description

The Malvern Instruments Hydro 2000S is a fully automated wet sample dispersion unit for small volumes for the Malvern Mastersizer particle size analyzer. The 2000S features: 50-120ml dispersant volume; a continuously variable pump and stirrer ensuring bias-free sampling of dense materials; a continuously variable sonication probe for agglomerate dispersion; is compatible with autosampler option; and has full software control of all measurement functions.

Specifications:
– Sample volume: 50-120ml
– Particle size: Up to 600µm – sample dependent
– Dispersion mechanism: Centrifugal pump, stirrer and ultrasonic probe
– Dimensions (W, D, H): 352mm x 355mm x 332mm
– Power: 100-240V AC 50-60Hz

The dispersion unit comprises a tank that holds one litre of sample/dispersant
liquid. A stirrer, controlled from the software, agitates the sample and stops it
from settling or separating out. The pump, controlled from the software, forces
the sample from the TO CELL port of the dispersion unit to the flow cell
located in the optical bench, via the sample tubing. The pump and stirrer can be
independently controlled.
The sample is pumped through the flow cell and then returns to the tank via the
sample tubing and the FROM CELL port.
An ultrasonic probe is provided to aid sample dispersion and can also be used to
remove bubbles from the flow path.
The dispersion unit contains two fluid handling valves controlled from the software:
A motor-driven drain valve that allows the tank to be drained.
A dispersant valve that opens to allow clean dispersant into the tank.
The operation of the Hydro 2000S is virtually identical, except that it has a combined
pump/stirrer mechanism and a smaller (150ml) tank capacity.

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