特点：Features 　　1. 每个气道都可同时或独立控制，升降高度可根据试管高度自由调节。 　　Every air passage is capable of operating simultaneously or independently. The users can adjust freely according to the height of tube. 　　2. 选取智能温控器，数字显示，PID调节，温控范围从室温+5-150℃，完全满足实验需要，且设有上限温度报警功能，使操作更加安全。 　　Choose intelligence temperature controller with a digital display, PID control, the range of temperature is from ambient+5℃ to 150℃. it is able to fulfill experiment requirement. Built-in heat-triggered protector can make the operation more securely. 　　3. 经过表面氧化处理的加热块清洁美观，使用寿命更长，可根据要求定制不同孔径模块，满足使用者需求。 　　Anodized aluminum heating blocks are clean and beautiful, extending using life. We can offer different size holes of the block according the demand.