As per IP 31 the apparatus Consists of Brass Sleeve and case with metal cup and a glass Boiling tube with Cork fitted to a bath 600 ml beaker is provided. The assembly is kept on heater with energy Regulator control and stand with F.H.P. elect Stirrer. As per IP 132 the unit Comprises a glass beaker with fiber Cover together with glass test tube with three indentations to receive Chromium plated brass cup cork for tube and a 1.5 mm diameter Brass rod. The assembly is kept on heater with energy regulator and stand with F.H.P. motor stirrer.
