Farrar Scientific's new PLC control rate chamber with optional process probe monitoring enables rapid freeze/thaw process for Bio Processing applications, greatly reducing the freeze or thaw conditioning time from days or weeks to hours. The new PLC Control Rate Chamber Model 4002-LC Air cooled or 4102-LC Water cooled can rapid freeze/thaw from +40C to -80C. The PLC controlled rate chamber enables fast, uniform bulk freezing and thawing of Protein or products contained in a variety of containers, (bags, bottles or any size containers) such as single use system (SUS), polycarbonate vessels or polypropylene vessels.