- 18-bit, up to 625 kS/s, up to 32 analog input channels
- 16-bit, up to 2.8 MS/s, up to 4 enhanced analog output channels
- Up to 48 digital I/O (up to 32 at up to 1 MHz); 32-bit counters
- Screw or 68-pin connectivity
- NI signal streaming for bidirectional high-speed data streams over USB
- High-performance NI-DAQmx driver software and LabVIEW SignalExpress LE included
National Instruments M Series high-accuracy multifunction USB data acquisition (DAQ) devices are optimized for high accuracy at fast sampling rates. They incorporate the NI-PGIA 2 custom amplifier and NI-MCal self-calibration designed for low noise, fast settling to 18 bits, and maximum accuracy. An onboard lowpass filter rejects high-frequency noise and prevents aliasing, helping to deliver a resolution equivalent to more than 5½ digits for DC measurements, with an absolute accuracy of 980 µV at the ±10 V range and 28 µV at ±10 mV. High-accuracy National Instruments USB-628x M Series devices also have an extended two-year calibration interval.
With the enhanced analog output on NI USB-628x devices, you can now define custom offset and range settings. This means you can maximize the 16 bits of output resolution around a fixed DC offset, increasing the accuracy of analog waveforms.
Unlike typical multifunction USB data acquisition devices, NI USB M Series DAQ devices incorporate NI signal streaming, a patent-pending technology that combines three innovative hardware- and software-level design elements to enable sustained high-speed and bidirectional data streams over USB.
The NI USB-6281 and USB-6289 devices are available in a board-only design specifically for OEM applications. Follow the OEM link below for more information.
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