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This product is an accessory for the following products:

Extech PQ3350 3-Phase Power & Harmonics Analyzer
Power measurements of single and 3-phase/3-wire or 3-phase/4-wire systems
$2,750.00
Extech PQ3470 3-Phase Graphical Power & Harmonics Analyzer
3-phase data logger that saves data on an SD card in Excel format
$3,329.00