Fluke insulation resistance testers are not your typical insulation A rugged, compact insulation resistance tester for residential and Specifications. Insulation specifications. Measurement range: MΩ to 10 GΩ model , MΩ to MΩ model Test voltages: 50 V, V, V, V, . Remote probe, silicone test leads, test probes, large alligator clips, holster, users manual. FLUKE Insulation Tester. FLUKE...