National Instruments USB-6251 16 AI (16-Bit 1.25 MS/s) 2 AO (2.86 MS/s) 24 DIO USB Multifunction I/O Device
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Used Excellent Condition Original Ni Usb-6501 Usb 6501 Data Acquisition Card Daq 24-line Diginal I/o Labview, Or Replacement - Instrument Parts & Accessories - AliExpress
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