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National Instruments 64-Channel Relay Driver - NI PXI-2567 w/Warranty

HP / Hewlett Packard 44470A Relay Multiplexer w/ Connector Module (3 in stock)

National Instruments Multiplexer Module - NI PXIe-2527

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National Instruments128-Channel Reed Relay Multiplexer Matrix - NI PXI-2530