Fluke 15b+ 4000 Counts Ac/dc Voltage,current,capacitance,ohm Auto/manual Range Digital Multimeter Meter - Multimeters - AliExpress
Fluke 1507-NIST Insulation Resistance Tester, 50 to 1000 V,
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