Protek 260TR Handheld Analog Multimeter - Custom-Cal Global Tech Solutions, LLC
Protek B940 4000 count Bench Digital Multimeter with RS232 Interface Protek B940 | TEquipment
multimeter - Protek 506 DMM: What capacitor is that? - Electrical Engineering Stack Exchange
Protek 6500 Digital Multimeter, 50,000 count and 50 segment bar graph backlit display, basic DC accuracy is ±0.03%, RS232 interface with software and cable, AC and (AC+DC) TRUE RMS measurement.(6500 Protek6500 Protek-6500 Protek 6500)
Protek 4005 True RMS 5½ Digital Multimeter - Custom-Cal Global Tech Solutions, LLC
I probably paid too much for this Protek 506, but it took my fancy.
Protek 667c - three-phase clamp digital multimeter - works great, w/case & leads | eBay
Protek 6800 Digital Multimeter 80,000 Count Dual Display, AC and AC+DC TRUE RMS measurements,