高低温（湿热）试验箱中最常见的一个术语就是控制方式是BTC或者BTHC，这里指什么意思呢?
One of the most common terms in the high-temperature (wet-heat) test box is that the control method is BTC or BTHC, what does that mean?
下面我们来简单和大家解释下：
Here's a simple explanation:
BTC，中文意思就是平衡调温方式。通过智能仪表或者触摸屏智能仪表的PID来进行温度调节的一种控制方式。区别于传统的加热器启停的控制方式。
BTC, in Chinese, is a way of balancing the temperature. A control of the temperature by means of a smart instrument or a PID that touches the screen.
BTHC，中文是平衡调温调湿方式，通过触摸屏控制器里的温度PID与湿度PID来进行调节。一般的控制器里面都有对PID进行分区控制，以达到温湿度的精准度。
The BTHC, in Chinese, is balanced by the temperature PID and humidity PID in the touch screen controller. The normal controller has partition control of the PID to achieve the accuracy of the temperature humidity.
BTC与BTHC目前使用比较广泛，它们的优点是控制比较精准，通过冷热两种力量的平衡来达到恒温恒湿的状态，均匀度也比较好；缺点是在低温控制上有点浪费能耗，但是通过电磁阀的节流与旁路的控制，可以最大程度上实现节能省电。
BTC and BTHC are now more widely used and have the advantage of being more precise in their control and of achieving a constant wet state by balancing the two forces with cold heat, with a better degree of homogeneity; the disadvantage is that there is a certain waste of energy on low-temperature control, but energy saving can be achieved to the greatest extent possible through the control of the electromagnetic valve's currents and bypass roads.
这也是宏展产品的特点之一，在帮助企业完成产品试验的同时，也能为企业节省一定的能耗成本。返回搜狐，查看更多
This is one of the features of the macro-exhibit product, which also saves businesses some energy consumption while helping them complete their product trials. returned to search for more .
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