Applications equitron concentric rings water baths are identical for all applications requiring gentle steaming work with glasses etc, Erlenmeyer flasks. Equitron advantages outfitted with a water level indicating device. Optional constant water level device. A removable flat drop on lid for concentric rings enables the bath to is suitable for other work also. Double walled, Insulated, Full stainless steel construction. Concentric rings in steps of 25 and 50 mm id moulded from industrial grade non, Corrosive material. A precise digital temperature indicator cum controller having resolution and control accuracy of 1 c in digital model.