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Rocklabs Standalone RSD

The Rocklabs Standalone RSD (Rotating Sample Divider) is designed to split out a representative portion of the sample with a proportion of 2-50%.

Big inputs and accurate outputs for seriously reliable results.

The Rocklabs Standalone RSD (Rotating Sample Divider) is designed to split out a representative portion of the sample with a proportion of 2-50%.
Featuring sealed bearings the Standalone RSD has two splitting options available. The first is a single split & remainder. The second option is a duplicate split & remainder, with a bypass bin available for option two.
Taking a representative split is not as simple as many people believe. Rolling on a mat, multiple grabs or riffle splitting do not produce accurate results. A classic study conducted at Bradford University demonstrated that a rotating sample divider provided the best results.

Benefits:

Robust design
Easy operation
Dust extraction port
Two splitting options
Sealed bearings

Specifications
Motor power	0.18kW, single phase
Maximum input particle size	10mm
Width x Height x Depth	1000 x 960 x 800mm
Weight	135kg
Hopper capacity	25kg
Dust extraction	1 extraction port available
Options	Options Sample bins: Option 1 – Single split + Remainder Option 2 – Duplicate Split + Remainder * Bypass bin available for Option 2
Warranty	ROCKLABS Bench Top RSD is sold with a 2000-operating-hours or one year warranty (whichever comes first), covering all parts (excluding wear parts) and labour if used under laboratory conditions.
Comments on taking a representative split	Taking a representative split from a large sample is not as simple as many people believe. Rolling on a mat, multiple grabs or riffle splitting do not produce accurate results. A classic study* conducted at Bradford University demonstrated that a rotating sample divider provided the best results. * Critical evaluation of powder sample procedures. Allen T and Khan A. A, The chemical Engineer, May 1979, pp108 - 112
Dividing	Standard deviation of samples %
Cone and quartering	6.810
Scoop sampling	5.140
Riffle splitting	1.010
Table sampling	2.090
Rotating splitting	0.125
Random Variation	0.076

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