Parr Instrument GmbH was founded in 1993. We are worldwide the only subsidiary of Parr Instrument Company, USA. Parr designs and manufactures pressure reactors and tubular reactors in special alloys and sizes for the study of catalytic and non-catalytic reactions in batch, continuous-flow, and high throughput for the chemical, polymer, biofuels, hydrometallurgical, pharmaceutical, petroleum, and petrochemical industries. Parr has an extensive line of sample preparation vessels and is also specialized in Combustion Calorimeters. Learn about our Rotating Cylinder Electrode (RCE) System and Rotating Cage Apparatus each designed for evaluation of corrosion studies as described in ASTM G170. Parr also offers a variety of pressure vessels, for use with corrosion probes and for coupon testing