Open hardware Milliohmmeter, microohmmeter, microvoltmeter, and accurate ESR meter based on STM32F373 processor and AD8253 instrumentation amplifier (DIY do it yourself hobby construction)
Extech 380580 Battery Powered Milliohm Meter + Free Shipping
Fluke 116 100 Amp 600-Volt Digital Truerms Multimeter (Battery Included) in the Test Meters department at Lowes.com
Fluke 1587 FC 2-in-1 Insulation Multimeter with Fluke Connect | TechEdu