Fluke 1625-2 GEO Earth/ground resistance tester — 4-pole fall-of-potential + 2-clamp + DC stake. Substation + lightning ground audit.
| IP rating | IP67 (rugged models) |
| Approval | UL 61010 / IEC 61010 CAT IV 600V / CAT III 1000V |
| Standards | IEC 61010, IEC 61010-1, IEC 61010-2-033 |
| Approvals | UL |
| HS code | 9030.33 |
| Number of poles | 4P |
| IP rating | IP67 (rugged models) |
| MOQ | 1 |