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To accommodate materials of different flow ability the Rotary Micro Riffler has two sets of controls: one for the delivery rate and the second for the rotation rate of the collectors. By varying these two controls, accurate divisions of any powder may be achieved, regardless of particle size or density, in a reasonable time.

To divide a sample, up to 120 cm3 of powder is loaded into the vibrator bowl. The vibrator bowl automatically feeds the collector, and the test tubes rotating below the feed chute. After all of the material has been delivered into the test tubes, further reduction in sample size may be accomplished by emptying the contents of one or more of the test tubes into the bowl and repeating the procedureuntil the desired sample size is achieved.
ROTARY POWERED MICRO SAMPLE SPLITTER
Physical measurements, such as particle size, surface area, density, as well as chemical analysis of crushed ores for example, often require reduction of large quantities into smaller samples. 

Therefore it is necessary that the powder sub-sample used for analysis be representative of the initial lot or batch for reproducible and valid data. Both of the Quantachrome Rifflers are designed to accurately and reproducibly prepare representative powder samples, from larger laboratory or bulk quantities, using the statistically superior method of spin, or rotary, riffling.
VIBRATOR BOWL
DELIVERY CHUTE
ROTATING SPLITTER
VARIABLE COLLECTOR SPEED
FEED RATE CONTROL
FIXED COLLECTOR SPEEDS
​The Rotary Micro Riffler easily and automatically divides samples into eight (8) smaller representative samples for analysis. By repetitive divisions of the collected smaller samples, the desired final sample size can be easily obtained.
​The Rotary Micro Riffler has two 
basic components: a circular 
vibrating bowl, and a sample collector. 

The vibrating bowl is amplitude variable, and controls the delivery 
rate of the initial powder sample. 
The collector consists of a rotating splitter, holding eight test tubes. 

The size of the test tube may be varied to accommodate the initial sample size. Test tubes afford simple filling, emptying and cleaning.
SPEED MODE SELECTOR
FEEDER ON/OFF SWITCH
POWER SWITCH
BRUSH
SPECIFICATIONS:

Vibrator Bowl: Aluminum (Nickle-Plated Available)
Max. Capacity: 120 cm3

Collector Tube Volumes: 4 cm3 and 15 cm3
Max. Particle Size: 2.5 mm
Electrical: 110-120V or 220-240V, 50/60 Hz
Height: 33 cm (13 in.) Width: 20 cm (7.75 in.) Depth: 18.5 cm (7.25 in.) Weight: 7.3 kg (16 lbs.)

677 02030 ROTARY MICRO RIFFLER
QUOTATION /  INFORMATION REQUEST
QTY            REF #                DESCRIPTION
677 020302201 ROTARY MICRO RIFFLER 220 V 50 HZ
677 020301 ROTARY MICRO RIFFLER 110 V 60 HZ
BROCHURE ROTARY MICRORIFFLER
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