In the below room temperature test, opening the refrigeration apparatus also switch, automatic temperature and the set temperature range constant.
在进行低于室温的试验时,打开制冷开关,仪器也同样进行自动控温并在设置的温度点范围内恒定。
2
Based on the thermoelectric refrigeration principle and PID parameter self-tuning control technique, a temperature controller for semiconductor laser's environment test is designed.
基于热电制冷原理和PID参数自整定理论,本论文设计了一种半导体激光器环境的温度控制仪。
3
The simulative variable load food test chamber is designed according to the constant change of heat load in the process of food refrigeration.