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Protek 506 Advanced digital 3-3/4 digit dual-display multimeter with RS-232 from Cole-Parmer
Protek A450 Electronic FET VOM Protek A450 | TEquipment
Protek 6300 LCD Digital Multimeter Voltmeter Tester 5 In 1 Works Free Shipping | eBay
Professional Protek Automotive Multimeter Meter D-988 & pu-988 inductive pick up | eBay
Protek 260TR Handheld Analog Multimeter
Professional Protek Automotive Multimeter Meter D-988 & pu-988 inductive pick up | eBay
Protek 6500 Count Multimeter, 50,000 count and 50 segment bar graph backlit display, Basic DC accuracy
4000 | Protek Instrument
D707T | Protek Instrument
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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)