1：接地端
1: Grounding end
2：打印机：打印测量数据和波形
2: Printer: Print measurement data and waveform
3：液晶屏幕
3: LCD screen
5：输出电压接线柱
5: Output Voltage Pillar
6：输出指示灯
6: Output indicator
7：电流测试钳插座
7: Current test clamp socket
8：测量输出开关
8: Measurement Output Switch
9：复位按钮
9: Reset button
10：功能选择：用于显示屏上各项功能选择
10: Function Selection: Used for Function Selection on Display Screen
11：电源开关
11: Power Switch
12：电源插座：输入：AC:220V 50Hz
12: Power socket: input: AC: 220V 50Hz
13：保险管。
13: Safety.