National Instruments NI USB-4431, 198755E-01L Dynamic Signal Acquisition Modul
The NI USB-4431 is a five-channel dynamic signal acquisition module for
making high-accuracy measurements from IEPE sensors. The USB-4431
delivers 100 dB of dynamic range and incorporates software-selectable
IEPE (2.1 mA constant current) signal conditioning for accelerometers
and microphones. The module consists of four analog input channels for
reading from IEPE sensors with a single analog output. The four analog
input channels simultaneously acquire at rates from 2 to 102.4 kS/s. In
addition, each channel includes built-in antialiasing filters that
automatically adjust to your sampling rate. The USB-4431 is ideal for a
wide variety of portable test applications such as frequency response
audio tests or suspension shaker tests.
• One 24-bit analog output
• Four 24-bit simultaneous analog inputs
• ±3.5 V output range
• ±10 V input range
• 100 dB dynamic range
• Antialiasing filters
• TEDS read/write
• Software-selectable AC/DC coupling (0.1 Hz HPF)
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