测量范围                                                         接地电阻：0~1999Ω

                                                                     接地电压：0~200V

测量度                                                       接地电阻：

                                                                        土2%rdg土0.1Ω（20Ω）

                                                                         土2%rdg土3gt

                                                                          （200Ω/2000Ω）

接地电压                                                                土1%rdg土4dgt

电源                                                                      6节1.5V R6P

                                                                                         (SUM-3)电池