The RC12A dissolution tester, a patented product, is a new type of drug dissolution tester designed in accordance with the requirements of the Chinese Pharmacopoeia and the United States Pharmacopoeia. The instrument adopts a double row 12 cup 12 rod structure, which can perform two batches of drug dissolution tests simultaneously. The instrument head is electrically raised and lowered, with a large LCD display screen and menu based operation. The rotation of the instrument's rotating rod, the lifting and lowering of the machine head, and the timing of the test are each independent