Omega OM-DAQ-USB-2401 series USB 2.0 full-speed thermocouple/voltage input data acquisition modules are fully compatible with USB 1.1 and USB 2.0 ports. User programmable for type J, K, T, E, R, S, B and N thermocouples or voltage input, the modules feature 8 differential or 16 single-ended analog inputs and 24-bit resolution with up to 1,000 samples/sec. throughput. They are powered directly by a USB port or an external DC power supply, and include Windows software, drivers for custom programming and hardware for benchtop, DIN rail or wall mounting.