This Constant Temperature Hydrometer Bath is a thermostatically controlled water bath with 500W copper immersion heater and hydraulic thermoregulator for operation at temperatures of up to 210 ¬± 2°F (99° ¬±1°C). Holds one 2"x15" (51x381mm) hydrometer jar - top of jar extends 1 1/2" (38mm) above the top of the bath for easy viewing of the hydrometer. Insulated double-wall construction with stainless steel tank and shelf and finished steel exterior. Has variable speed control for magnetic stirrer, temperature control dial, and on/off switches for motor and power. Bath Medium: 2 gal (7.57L) water. Shipping Weight: 35 lbs (15.9kg). Dimensions: 5 Cu. ft.