Pentrix L21

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20 kHz Spectrum Analzyer Pentrix L21 front view Compatible with [[500-series scopes(?)]] Produced from {{{introduced}}} to {{{discontinued}}} Manuals Manual needed. (All manuals in PDF format unless noted otherwise) [[Category:Introduced in {{{introduced}}}]]

The Pentrix L21 is a low frequency spectrum analyzer plug-in.

Specifications