Fluke 1577 Insulation Multimeter 1000V True RMS 600v 40 110% of lΔn Size:0.8KG 40 110% of lΔn (×1 2) — Trip Time Accuracy ±1%rdg±3dgt (×5) Loosen the switch anti clockwise and insulation safely and accurately 0% 40% (40°C – 55°C) Operating altitude 2000 m Safety Specifications General IEC 61010 1: Pollution Degree 2 Measurement IEC 61010 2 033: CAT IV 600V CAT III 1000V Mechanical and General Specifications Size 203 x 100 x 50 mm (with holster) Weight 624 g Warranty 3 years Battery life alkaline Meter use 1000 hours Insulation test use Meter can perform at least 1000 insulation tests with fresh alkaline batteries at room temperature