National Instruments PCI-6602 High-Speed & Timing Digital I/O Acquisition Card

National Instruments NI PCI-6602 Counter Timer DIO Card 8 Channels 184479H-01L

National Instruments PCI-GPIB 183617G-01

National Instruments PCI 6602 Timer Board 184479C-01

NATIONAL INSTRUMENTS PCI-6602 184479H-01L Digital I/O and Timing Module

National Instruments PCI 6602 Timer Board 184479B-01 - Tested (See Description)

National Instruments NI PCI-6602 Counter / Timer DIO Card, 8 channels

National Instruments PCI6602 PCI-6602 5 V, 8-Channel Counter/Timer Device