RCZ-1A is Single-Cup dissolution tester, which is a new designed production to carry out drug education in medical schools and research institutions to conduct scientific research and experimental. the technical specifications of the tester in line with the 2005 national pharmacopoeia version. also the tester have automatic temperature control and electronic speed control system The main technical parameters: Accuracy of temperature control 37±0.5 ºC The range of rotation speed 50, 100, 150,200 r.p.m The coaxial tolerance of Rotation shaft VS Dissolution cup<1 mm