National Instruments NI PXI-2503 Multiplexer Switch Card

National Instruments NI PXI-2566 16 SPDT Relay Module Card

National Instruments PXI-2503 Relay MultiPlexer (For Parts)

Nationl Instruments NI PXI 2503

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National Instruments NI PXI-2566 Relay Switch Card, 16ch SPDT

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10676 NATIONAL INSTRUMENTS NI PXI 2503 RELAY MULTIPLEXER