Tezalon's bioreactor controller for fermenter vessels up to 20 liters. Includes 4 peristaltic pumps. Sensors: temperature, antifoam, pH and dissolved oxygen plus 2 spares. Four mass flowmeter for air, O2, CO2 and N2. Bioreactor heating blanket and Scale included. Process sequencing and data collection. Agitation speed and impeller configured for fermentation.