Fluke® FLUKE-1503 Insulation Resistance Tester, 600 VAC/VDC, 0.01 Ohm to 20 kOhm Resistance, +/-(2% + 3) Accuracy, Graphic to Backlight Display, Safety Rating: CAT IV 600 V

Overview features specifications models and accessories more info the Fluke® 1507 and 1503 insulation testers are compact, rugged, reliable, and easy to use. With their multiple test voltages, they are ideal for many troubleshooting commissioning, and preventative maintenance applications.