Dynisco L.L.C., also known as Dynisco Instruments & Polymer Test, provides pressure and temperature sensors, and analytical instruments. The company offers melt pressure transducers and transmitters, and instrumentation; pressure gauges; rupture disks; industrial and injection molding pressure sensors; melt flow indexers; and polymer evaluation products. It also offers online and laboratory capillary rheometers, online slit rheometers, and online infrared analysis; and impact, coefficient of friction, contact angle, and film tensile testers, as well as other small test devices. In addition, the company offers various services and technical support, including repairs, replacement parts, installation services, on-site equipment diagnostic, training for equipment operation, and preventive care. Its products are used in plastic extrusion, rubber, polymer and chemical processing, oil and gas, industrial test and control, process, sanitary, food and medical, and water/wastewater industries. The company was founded in 1953 and is headquartered in Franklin, Massachusetts. As of December 15, 2006, Dynisco L.L.C. is a subsidiary of Roper Industries, Inc.