Frequency Devices Products at IRIS Show Frequency Devices is teaming up with TMS Inc to showcase products at the Instrumentation Representatives Information Services Shows in both Cleveland and Pennsylvania. TMS is a representative for Frequency Devices products in Indiana, Kentucky, Michigan, Ohio, West Virginia and Western Pennsylvania. For more information go to their web site at http://www.tms-rep.com/ The IRIS show is a show for Electronic Test Equipment and Instrumentation field. For more information go to the shows web site at http://www.irisshow.com/