product functions& 65306;  Adopt 2-wire method, 3-wire method to measure earth resistance, grounding current, grounding voltage.          Product Features& 65306;   1.The tester body is light, easy to carry and operate.  2.With the function of judge the auxiliary grounding pile, the tester can display the resistance value of the auxiliary  grounding pile during testing, which can avoid the error caused by the excessive grounding resistance of the auxiliary grounding pole.    3.With line resistance verify function, can avoid the error caused by the bad contact of the test line.It makes the measurement of low grounding resistance more accurate and reliable in the field.  4.Measure the grounding current, equipped with current clamp, can test the current of grounding wire, detect the grounding fault.  5.Grounding voltage measurement function.            Product Specifications& 65306;                                             Display LCD                                 LCD:58mmX46mm                                             Tester Dimension                                 160mm(L)×100mm(W)×66mm(H)                                             WVeight                                 Host: about470g; Current clamp: about 190g; total weight: about 2125g (include accessories)                                             Test Indicator                                 TESTING indicator lighting, indicate that grounding ressitance is testing                                             Auxiliary Grounding Indicator                                 R P(s)R C(H) OK indicator lighting, indicates that the auxiliary grounding electrode is qualified and the testresult is accurate.