EC&M UT521 Earth Resistance Tester Demo 1.0

Engr Jun Carbonell demonstrates the usage of Earth Resistance Tester in the Philippine telco environment.

[@jamesianbracero1005]

thank u sa video sir

[@regineannsalgarino5266]

Thank for sharing

[@paanovlog3296]

sana masagot sir about po sa insulation test po sa lightings po and power lines ano po ang passing megger test ilang mega ohms poba dapat hindi sila baba or tataas?