The instrument consists of two parts: controller and booster. The structure and function of the two parts are as follows:

1.   The layout of each part of the controller panel is shown in Figure 1, and the function    description of each part is as follows:

                         Figure 1 Schematic diagram of controller panel

→－Grounding terminal: it is connected with the earth when in use.

"Switch" - power switch: built-in indicator light, on when on, off when "AC220V" - power input socket, built-in fuse.

“Printer” - print test reports.

"Capacitive touch screen" - display test data and output waveform, and can be operated directly on the screen by hand.

"USB" - its function is used to communicate with the upper computer. "Stop" - for emergency stop test.

2. Structure diagram of booster

Figure 2 Schematic diagram of booster structure