Interview with Scott Dahlgren of 3Sigma in Charlotte, NC. 3Sigma’s cornerstone offering is it’s proprietary GeoMate™ Dry Material Feeder. This unit is ideally suited for batching applications due to it’s Pulseless feed and Instant Off capabilities. No moving parts and an industry best 3-year warranty make it the engineer’s preferred feeder for any batching system. Web site: http://www.3sigma.biz/