.箱体保温材料采用聚氨酯部位的发泡塑料发泡,对外界热(冷)源具有较强的抗干扰能力。2.工作腔设有风道,温度分布均匀。3.内壁采用不锈钢制作,具有良好的耐腐蚀性能。4.加热系统在环境温度为5℃时可加热至50℃。5.制冷系统冷却至环境温度32℃期间5℃。 6. The universal spring test bottle rack is especially suitable for the cultivation equipment of biological samples for a variety of comparative tests. 7. Stepless speed regulation and safe operation. 8. Temperature control accuracy, digital display.