Fluke-1653b-Multifunction-insulation-tester-Fluke-FLUKE-1653B-The-complete-tester-for-advanced-users-&-virtually-all-electrical-wiring-installations-from-domestic-to-commercial-&-industrial-This-is-the-instrument-that-has-it-all-all-the-test-functions-you-need-including-phase-rotation-test-to-in-built-memory-for-documenting-results-The-Fluke-1653B-makes-it-the-complete-solution-for-professionals-who-need-to-have-the-best-tool-available-BR-BR-The-Fluke-1653B-is-a-multifunction-