Profile: Appropriate Technical Resources, Inc. manufactures advanced laboratory shakers and fermenters. We offer benchtop devices, centrifuges-standard, centrifuges-cooled, fermenters, flasks, freeze dryers, pcr validation system, shaking incubators, vacuum accessories and vacuum system. Our new X-controller system is microprocessor based and controls up to 16 parameters from one panel linking up to 3 units (6 vessels) with an additional analogue input & output capability, which is standard with a maximum of four inputs & five outputs per vessel.