Hioki Insulation Tester, 4GOhm, ±5 %, IP40

With bar graph display. 5-range testing voltage 50 V/100 MOhm to 1000 V/4000 MOhm. Stable & medium-speed digital readings, response time at PASS/ FAIL decision 0.8 second (IR4057-20 0.3 s). Drop-proof on concrete from 1m (3.28 feet). Bright LED luminous LCD, Test lead with bright LED lamp to illuminate near hand (Optional). Continuity check via 200 mA testing. Built in AC/DC voltage meter, useful for testing solar power generation systems and electric vehicles.