National Instruments NI 9421, Digital Input Module, 24V 8ch, Spring Terminal

NEW National Instruments NI 9229 Analog Input Module NI-9229 779785-01

National Instruments NI-9421 8-Ch 24V Digital Input Module, For Parts/Repair

NI‑9421, 24 V, 8-Channel (Sinking Input), 100 µs C Series Digital Module

US Free TAX NEW NI NI-9421 NI 9421 C-series 8-Channel Sinking.

USED National Instruments NI 9421 Digital Input Module DSUB 8-CH Digital Output

NEW National Instruments NI 9421 NI-9421 FAST SHIPPING

NEW National Instruments NI 9421 NI-9421 8-Channel Sinking Input