The National Instruments USB-6255 is a versatile multifunction I/O device designed for high-performance data acquisition. With models identified by part numbers 779959-01, 779958-01, 779958-04, and 779959-04, this device features an impressive 16-bit resolution and supports 40 differential or 80 single-ended analog input channels. The USB-6255 is equipped with an onboard amplifier that ensures minimizing settling times at high scanning rates, allowing for an aggregate multichannel sampling rate of 750 kS/s and a single-channel sampling rate of 1.25 MS/s. Additionally, it offers a minimum of 24 digital I/O lines and seven programmable input ranges, making it highly adaptable for various applications including portable data logging, environmental monitoring, and in-vehicle data acquisition. The device supports advanced triggering capabilities, incorporating analog triggers such as Start, Reference, and Pause Trigger with 10-bit resolution, which operate in both Analog Edge and Analog Window Triggering modes. With an input impedance of 820 Ω, the USB-6255 is designed for ease of integration and reliability in academic labs and embedded OEM applications. It has a recommended calibration interval of two years and comes with optional user manuals and maintenance documentation available for download. The dimensions of the device are 10.5 in. × 6.73 in. × 1.75 in., and it weighs 2 lb 11 oz. For pricing, please contact a sales representative.