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$5,980.00 SP-230  Gilson Spinning Riffler, w/ Collection Unit & Hopper
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Gilson Spinning Riffler, w/ Collection Unit & Hopper
 
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SP-230, Gilson Spinning Riffler
 

SP-230 Gilson Spinning Riffler

Spin riffling is the method of choice for sampling accuracy and reliability of the highest order with dry materials. Gilson’s expertise in sampling and analyses of powders and granular material is utilized to produce this nextgeneration Spinning Riffler. The SP-230 features a custom designed touchscreen controller/display, minimal moving parts and an outer case designed for easy clean-up and maintenance. Operation is quieter and safer thanks to an isolated motor and vibrator, automatic belt-drive system and sample vessel enclosure. Both rotation speed and vibration level are displayed on and precisely controlled from the touch screen.

The Gilson Spinning Riffler virtually eliminates operator error and bias associated with other types of sample dividing. The accuracy of spin riffling has been demonstrated in the 1968 M.Sc. thesis of A. A. Khan, Bradford University. Sampling tests based on a 60/40% mixture of coarse and fine sands produced the following comparisons:

A built-in vibratory feeder provides a constant flow of material from a stainless steel hopper with 1L capacity. A durable urethane-based resin dividing head sharply separates flowing material into as many as sixteen 60ml glass sample vessels. Standard Tube vessels may be used, or vials with screwtop caps in different sizes of amber or clear glass are available. The vials enable freshly divided samples to be capped and stored immediately, with minimal handling and little chance for contamination. Either type of vessel is contained within the drum during operation to minimize exposure of moving parts and contain spillage. The number of final fractions can be controlled by simply leaving tubes or vials out of the drum. Excess material will then flow directly into the drum. Rotation speed is continuously variable between 0—20rpm and the vibration amplitude of the feeder is variable as well. All adjustments are controlled and displayed on the touch screen. The unique, digitally controlled stepper motor turns a toothed belt and cogged drive wheel. Speed control is very accurate with no slippage under normal loads. A separate motor operates the vibratory feeder at 60Hz frequency and digitally controlled variable amplitude. A “sleep” mode conserves power when the unit is not operating. Main power supply voltage is automatically sensed, allowing any AC input from 85—264V, and 47—63Hz single phase. A power cord is supplied for use with standard North-American outlet configurations. Power cords for other configurations are readily available locally.

The SP-230 includes a sixteen-port Dividing Head, a set of sixteen Standard Tube Sample Vessels, a Sample Drum to contain the vessels and a Holder Plate for positioning the vessels in the drum. All are listed below as separate accessories for more efficient sample processing or as replacements. Glass Sample Vials with threaded tops and included caps are also available. Dimensions with Hopper in place: 13x20.5x23in (330x521x- 584mm), WxDxH. Est. Ship Wt.: 45lb (20kg).

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