Accurate determination of the value of load of peanuts is contingent upon obtaining a representative sample. Devices have been approved to extract a representative sample from a static load and from peanuts as they flow through an elevator downspout. A device that rotates a diverter through the flowing stream of peanuts to divert a small sample of peanuts for grading was mounted on the discharge of a belt conveyor. Tests were conducted in which the slot width was varied from 32 to 95 mm and sampling interval ranged from 20 to 120 s. The total mass of peanuts collected in a sample was recorded. After filling the trailer, a sample was retrieved using the conventional pneumatic sampler. Both grade samples were evaluated and quality parameters were compared. The percent foreign material and loose shelled kernels were lower in the spout samples (3.5% and 2.5%) compared to that observed in the pneumatic samples (4.2% and 3.3%). Foreign material also tended to decrease in the spout sample as the slot width increased. There were no significant differences in percent total sound mature kernels, other kernels, and hulls, thus making the peanut value the same regardless of sampling method. As expected, the amount of peanuts collected per swath increased as width of the slot increased, but was not affected by the sampling interval. Equations were developed to estimate the total sample size if the sampling interval, slot width, and total amount of peanuts passing through the sampler.