性欧美老肥妇喷水,性欧美大战久久久久久久久,日日猛噜噜狠狠扒开双腿小说,亚洲乱码国产乱码精品精姦,天天做天天爱夜夜爽毛片

It is applicable to the professional equipment necessary for constant temperature cultivation in medical and health, medicine, biology, chemistry, agricultural science and other scientific research departments.

Product features

1. The stainless steel studio is made of bacteria proof stainless steel water jacket structure by argon arc welding, which is durable;

2. The microcomputer intelligent temperature controller displays the set temperature and the temperature in the box at the same time, and has the functions of parameter memory and incoming call recovery protected due to power failure, crash state and data loss. With overtemperature, sensor failure, leakage, overcurrent, high and low water level protection alarm function, timing function, stop heating when the water level is low;

3. The independent temperature limit alarm system automatically interrupts when the temperature limit is exceeded to ensure the safe operation of the experiment without accidents (optional);

4. The outer door is equipped with observation window or double door structure, which is convenient for observation and does not affect the temperature in the box;

5. In addition to the above functions, the upgraded LCD intelligent temperature controller also has more accurate temperature control, temperature fluctuation ± 0.3 ℃, can be equipped with RS-485 interface, can be connected to printer or computer, and can record the changes of temperature parameters;