Profile: Parr Instrument Company manufactures calorimeters, stirred reactors & pressure vessels, low pressure glass & metal reactors, continuous flow tubular reactors, custom reactor systems, cell disruption bombs, sample preparation equipment and hydrogenation equipment. We offer automatic isoperibol calorimeter, digital thermometer, reactor controller, floor stand reactors, detonation calorimeter system, remote interface 6000 series calorimeters and barcode support packages calorimeters.