Features 1, imported compressor refrigeration, good effect, low energy consumption, no three-phase power. 2, cold baths and bath cylinder temperature using intelligent control system, relaxed setting. 3, distillation power regulation controlled by the keyboard, 0 ~ 1000W continuously adjustable. 4, the front convoluted tubule single tube distillation tester, observe and operate in the same field of view, user-friendly test.