Amplifier umbrella Melodic bridge megger testing set Impressive Lodge Center
Megger 550005B Single-Phase TTR Transformer Turns Ratio Test Set
MEGGER BR4 Bridge Megger Testing Set Br4 | eBay
Digital Insulation Resistance Tester, 1999 Counts Megohmmeter Big LCD Display DCV ACV Megohm Meter DC250/500/1000V AC750V, 200MΩ~2000MΩ Resistance Testing with Data Hold Backlit for Motor Cables: Amazon.com: Industrial & Scientific
A "Megger" 100 Volt Safety Bridge Insulator Testing Set, 36cm Long
High performance insulation testers from the originators
Megger - Page 2 - UK Vintage Radio Repair and Restoration Discussion Forum