PXIe-4331 8-Ch Bridge Analog Input, 102.4kS/s (781345-01)

102.4 kS/s, 24-Bit, 8-Channel PXI Strain/Bridge Input Module
The PXIe‑4331 is a high-speed input module that provides integrated data acquisition and signal conditioning for dynamic strain, load, and pressure measurements. This module includes increased accuracy, high data throughput, and synchronization features, making it ideal for high-density measurement systems. To remove noise, the PXIe‑4331 offers antialiasing and digital filters per channel. Each channel also features an independent, programmable excitation voltage. Additionally, the PXIe‑4331 provides remote sensing, internal bridge completion, and shunt calibration options per channel.

Key product

Input Characteristics
Number of channels …………………… 8 analog input channels
ADC resolution …………………………. 24 bits
Type of ADC ……………………………. Delta-Sigma (with analog
prefiltering)
Sampling mode …………………………. Simultaneous
Input ranges
Vex ≤ 2.5 V …………………………… ±100 mV/V
Vex ≥ 2.75 V …………………………. ±25 mV/V
Common-mode voltage
input range (Vcm) ………………………. ±2 V
CMRR (DC to 1 kHz)………………… 85 dB
FIFO buffer size………………………… 1,023 samples
Data transfers ……………………………. Direct memory access (DMA), Programmed I/OSample rates (fs)
NI PXIe-4330…………………………1 S/s to 100 S/s
in 1 S/s increments,
100 S/s to 25.6 kS/s
in 100 S/s increments
NI PXIe-4331…………………………1 S/s to 100 S/s
in 1 S/s increments,
100 S/s to 102.4 kS/s
in 100 S/s increments

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