规格：                                                                                                                                                                               

测量范围和精确度 (在 23 o C and 45-75%RH )

功 能                范 围                                                             准确度                                                  过载保护

大地电压       0 ~ 399.9V (50Hz, 60Hz) ± (1%位数+4位数)        400Vrms / 1 分钟

接地电阻       0 ~ 39.99 Ω                                  ± (2%位数+0.2 Ω )        250Vrms / 10 秒

                                 0 ~ 399.9 Ω                                  ± (2%位数+3位数)  

                                  0 ~ 3999 Ω                                                                                          

电池耗电