Automated Sample Divider

What is the Automated Sample Divider?

An automated sample divider performs feeding, splitting and collection under program control. It improves consistency and throughput and suits busy modern laboratories and plants processing many samples by a fixed procedure every day.

Overview

An automated sample divider combines a controlled feeder, a splitting mechanism and vessel indexing under software control. The operator selects or programs the dividing ratio, feed rate and number of portions, and the machine performs the split, rotation and collection without manual intervention. Sensors monitor feed level and position so that each portion receives an equal share, and batch records document the settings. Automation reduces operator variability and handling, which is valuable where many samples must be prepared by the same procedure, and it allows dividers to be integrated into larger sample preparation lines with drying, crushing and milling steps.

How does it work?

A sample divider reduces a large sample to a smaller one that has the same composition as the original. Riffle dividers pour material through a series of alternating chutes that direct it into two equal trays, and the process is repeated until the required mass remains. Rotary dividers feed material onto a rotating cone or disc so that particles are distributed evenly around collection vessels in turn. Slurry dividers split flowing suspensions using chutes, cutters or rotating scoops. Vibratory dividers spread the material in a uniform layer before splitting. Because division depends on the geometry of the device rather than on manual selection, bias is reduced and reproducibility is improved.

What are the key features?

• Programmed feed rate and dividing ratio
• Automatic vessel indexing and collection
• Sensors for even portioning
• Batch records of settings and results
• Integration with larger preparation lines

What are the technical specifications?

A typical automated sample divider configuration offers max particle size of Up to 20 mm, sample capacity of 1–50 kg, number of vessels of 8–24, dividing ratio of Programmable, feed rate of Adjustable, 5–100 kg/h and feeder type of Vibratory or screw. Values are indicative of the product class; the exact figures for each configuration are confirmed on the quotation and the calibration documents supplied with the instrument.

Which applications is it used for?

The Automated Sample Divider is used in high-throughput ore and mineral sampling, cement and aggregate quality control, contract laboratory sample preparation and integrated automated preparation lines. Across the wider Sample Dividers class, laboratories also deploy it for mining and ore sample splitting, agricultural soil and grain sampling and cement, aggregate and mineral analysis.

Which standards and certifications apply?

Relevant standards and methods include ISO 3310-1, ASTM E11, ISO 6497, ISO 2591-1 and IEC 61010-1. Certification candidates for this model are CE and ISO 9001 manufacturing; each is to be confirmed for the specific configuration before shipment, and certificates are supplied only where they have been issued.

Reduce particle size and mix the sample before dividing, because a divider cannot make a non-uniform sample representative. Feed at a controlled, even rate and do not overload the device, since excess material causes uneven splitting. Repeat the division in stages to reach the required mass rather than trying to split too far in one pass. Clean the divider thoroughly between samples, and use inert or easily cleaned materials where trace analysis is involved. Verify the performance of the device by dividing a sample and checking that replicate sub-samples give consistent analytical results, and record the procedure in the method.

How do I select the right Automated Sample Divider?

Choose an automated sample divider for high-throughput or regulated work where consistency and records matter. Confirm the capacity, vessel number and ratio suit the procedure, and that the feeder handles the material. Check that batch records can be exported and that the divider integrates with upstream and downstream equipment.

How does it compare with other Sample Dividers variants?

Choose a divider according to the sample form and mass. Riffle dividers suit free-flowing dry powders and granules and are simple and reliable, but they must not be overloaded or the chutes will bias the split. Rotary dividers handle larger masses and are less sensitive to particle size, and they can be automated. Slurry dividers suit suspensions and process streams where the sample must be split while flowing. Vibratory dividers spread cohesive or fine material so that a uniform layer is fed to the splitter. Confirm the feed size the divider accepts, the dividing ratio, whether the sample is dry or wet, and the required throughput. The device should be easy to clean to avoid cross-contamination.