SFRA

• GDRZ-903 Transformer SFRA Analyzer IEC60076-18
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• GDRZ-902 Transformer SFRA Sweep Frequency Response Analyzer, IEC60076-18 Transformer Winding Deformation Tester
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• GDRZ-903 Transformer Sweep Frequency Response Analyzer (SFRA and Low-voltage Short-circuit Impedance)
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• GDRZ-902 Transformer SFRA Sweep Frequency Response Analyzer
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