Thermo Scientific Precision Circulating Water Baths Microprocessor-controlled Baths Combine Operational Simplicity With Excellent Temperature Uniformity. Our Precision Circulating Water Baths are ideal for applications where temperature uniformity and control are critical, such as enzymes and serology. Available in three different models, these high performance baths range in capacity from 19 liters to 89 liters and include a stainless steel diffuser shelf and a gable cover as standard equipment. Microprocessor control with digital LED display • Water flow directed around bath perimeter • Elevated sample platform for more thorough circulation • Easy-to-maintain, corrosion resistant construction • Over-temperature protection capability • Single switch control for heater and circulator pump • Stainless-steel gable cover and diffuser shelf are standard equipment • Meets ASTM E715 Class IIA standards for uniformity • UL listed (120 V) • Free Duck!