Amazon.com: Fluke 1507 Digital Megohmmeter Insulation Resistance Tester, For Advanced Industrial and Electrical Insulation Testing, Offers Multiple Insulation Test Voltages: 50 V, 100 V, 250 V, 500 V, and 1000 V : Industrial & Scientific
Fluke 1507 Problem
Tools
Fluke - 1507CAL 1507 Digital Megohmmeter, 50/100/250/500/1,000V Test Voltages, with a NIST-Traceable Calibration Certificate with Data: Amazon.com: Tools & Home Improvement