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MATRIX Power Meter, AC/DC Power Factor Meter High Precision Digital Parameter Current and Voltage Test Power Meter with Upper and Lower Limit Set and Sound Light Alarm Function (15Hz-650Hz), MPM-1010: Amazon.com: Industrial
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MATRIX Power Meter, AC/DC Power Factor Meter High Precision Digital Parameter Current and Voltage Test Power Meter with Upper and Lower Limit Set and Sound Light Alarm Function (15Hz-650Hz), MPM-1010: Amazon.com: Industrial
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