KOEHLER K26200 Constant Temperature Hydrometer Bath, 115V/60Hz. For density, relative density (specific gravity) or API gravity determination of crude petroleum, liquid petroleum products and mixtures of petroleum and non-petroleum products. 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" x 15" (51 x 381mm) hydrometer jar — top of jar extends 1.5" (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. 115V/60Hz.