We should always check the high voltage DC power supply within the current relay, time relay setting value is correct, control is sensitive.

应经常检查高压直流电源内电流继电器，时间继电器的整定值是否正确，控制是否灵敏。

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This article introduces the method of humidity control used with Philips humidity-sensitive capacitance sensor, and the basic principle, measuring circle, work frequency, response time etc.

本文介绍了飞利浦湿敏电容传感器进行湿度控制的方法，包括它的基本原理、测量电路、工作频率、响应时间和滞后现象。

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