| Country of Origin | Hungary |
|---|---|
| Brand | National Instruments |
| Number of Channels | 8 |
| Model | NI 9421 |
| MPN | NI-9421, NI 9421, 9421 |
| DAQ Module Type | Digital I/O |
Check the listing for details. National Instruments NI 9421 8-Ch,Digital Input, Sinking Module Dsub. Condition: Used, Made in Hungary. Listed at 225.00 USD. The current signals associated with DI are limited by the NI 9421. In addition, the NI-9421 has 8 digital input channels and Sinking Inputs. Each channel is compatible with 12V, 24 V digital I/O logic levels.