Photo 1 of MATRIX Power Meter MPM-1010, Watt Meter 15Hz-650Hz, High Precision Bench Digital AC Power Meters, Voltage Current Power Factor and Frequency Meter with Upper and Lower Limit Set and Sound Light Alarm

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Photo 1 of MATRIX Power Meter MPM-1010, Watt Meter 15Hz-650Hz, High Precision Bench Digital AC Power Meters, Voltage Current Power Factor and Frequency Meter with Upper and Lower Limit Set and Sound Light AlarmPhoto 2 of MATRIX Power Meter MPM-1010, Watt Meter 15Hz-650Hz, High Precision Bench Digital AC Power Meters, Voltage Current Power Factor and Frequency Meter with Upper and Lower Limit Set and Sound Light AlarmPhoto 3 of MATRIX Power Meter MPM-1010, Watt Meter 15Hz-650Hz, High Precision Bench Digital AC Power Meters, Voltage Current Power Factor and Frequency Meter with Upper and Lower Limit Set and Sound Light Alarm