Use this electronic water bath with Peltier thermostat to control the temperature of refractometers, Polari meters, and other temperature-critical equipment. The bath is easy to operate with three-button control. Simply connect tubing, fill to the line with distilled water, and switch on to operate. Small footprint saves laboratory bench space. What's Included: 5-ft (1.5 m) universal power cord. Controls the temperature of refractometers, Polari meters, and other equipment Temperature control to +/-0.2°C Powerful control from a small footprint.