电子电位差计的稳压电源,虽因不同型号的仪表而异,但其基本结构和电路原理是相同的。为了有条理地找出故障的部位和原因,可按以下步骤进行检查(这里以XWD型电位差计的电源为例,电路原理图参见使用说明书)。 1.输出端没有输出,U_(DO)无电压;输出端有输出,输出电压稳定,但U(DO)≠43.2V, Electronic potentiometer of the regulated power supply, although due to different types of instruments vary, but its basic structure and circuit principle is the same. In order to systematically locate the fault location and the reasons, you can check the following steps (here XWD type potentiometer power supply as an example, the circuit schematic see the instruction manual). 1. Output is not output, U_ (DO) no voltage; the output has output, the output voltage is stable, but U (DO) ≠ 43.2V,