測量范圍                                                         接地電阻：0~1999Ω

                                                                     接地電壓：0~200V

測量精確度                                                       接地電阻：

                                                                        土2%rdg土0.1Ω（20Ω）

                                                                         土2%rdg土3gt

                                                                          （200Ω/2000Ω）

接地電壓                                                                土1%rdg土4dgt

電源                                                                      6節1.5V R6P

                                                                                         (SUM-3)電池