Constant temperature water bath is designed for research work at desired temperature with high accuracy. The water bath controls the temperature by using micro-controller based temperature controller with an accuracy of 0.2 degree c. The water bath is provided with a circulating pump to ensure uniform temperature. The water bath has smooth acrylic tray for accommodating plasma bags. The water bath utilises audiovisual alarm if temperature deviates from preset temperature. The water bath features rounded corners for better water circulation, improved uniformity and easier cleaning. The water bath is provided with polyurethane foam insulation which improves temperature stability and energy efficiency. Constant temperature water bath is available in high strength cabinet construction with 304 stainless steel interior tanks that can withstand the most critical applications in demanding laboratory environments.