Protek 6300 LCD Digital Multimeter Voltmeter Tester 5 In 1 Works Free Shipping | eBay
Protek B940 4000 count Bench Digital Multimeter with RS232 Interface Protek B940 | TEquipment
Protek 608 Digital Multimeter | TEquipment
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)