Up for sale is a professional-gradeRobin K3323 Analogue Insulation Tester. 1x Robin K3323 Tester (Pristine condition). Three Test Ranges: 25V / 10 MΩ, 50V / 10 MΩ, and 100V / 20 MΩ. The Story Behind This Find: This unit was recently discovered during a garage clearance.
eBay