Fluke1503 Digital Insulation Tester 1000V. The protective yellow bumper is like new. The tester itself has no marks. 0.1 MΩ to 2000 GΩ insulation test. Resistance: 0.01 Ω to 20.00 KΩ. I do have the quick ref sheet, but I don't have the box or manual.
eBay