NEW National Instruments NI PXI-6509 Industrial Digital I/O Card Module

New National Instruments NI 9476 Sourcing Digital Output Module

USED National Instruments NI PXI-6509 Industrial Digital I/O Card Module Tested

NEW National Instruments NI 9401 Digital I/O DAQ Module 8-Channel US Free TAX

National Instruments PXI-6527 NI DAQ Card, Isolated Digital I/O, Relays Was $199

New In Box National Instruments NI PCI-DIO-96 777387-01 PCI I/O Interface Card

NEW National Instruments NI PXI-6508 96-Channel Digital I/O Module

National Instruments NI-9401 C Series Digital Module