NI-9205
May 15, 2026

NI-9205

The NI-9205 is a high-density multiplexed analog input C Series module for CompactDAQ and CompactRIO systems. It provides 32 single-ended or 16 differential voltage input channels with 16-bit resolution, designed for medium-speed, multi-channel DC and low-frequency signal acquisition in industrial, laboratory, and test applications.

Description

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NI-9205

National Instruments C Series Analog Input Module

General Description

The NI-9205 is a high-density multiplexed analog input C Series module for CompactDAQ and CompactRIO systems. It provides 32 single-ended or 16 differential voltage input channels with 16-bit resolution, designed for medium-speed, multi-channel DC and low-frequency signal acquisition in industrial, laboratory, and test applications.

Key Specifications

  • Channels: 32 single-ended / 16 differential (software configurable)

  • Resolution: 16-bit

  • Aggregate Sampling Rate: 250 kS/s

  • Programmable Input Ranges: ±10 V, ±5 V, ±1 V, ±0.2 V

  • Input Impedance: > 1 GΩ

  • Bandwidth: 370 kHz

  • Settling Time: 4 µs (±8 LSB), 8 µs (±2 LSB)

  • CMRR: 100 dB (DC–60 Hz)

  • Overvoltage Protection: ±30 V per channel

  • Isolation: Channel-to-earth isolation

  • Connection Options: Spring terminal, D-SUB connector versions

  • Operating Temperature: -40 °C to +70 °C

  • Driver Compatibility: NI-DAQmx, compatible with LabVIEW, Python, C/C++

Main Features

  • High channel density saves chassis slot space

  • Software-selectable single-ended or differential input mode

  • Programmable voltage ranges for small and large signal measurement

  • High input impedance avoids loading sensor outputs

  • Built-in overvoltage protection for rugged industrial use

  • Channel-to-earth isolation reduces ground loops and noise interference

  • Wide operating temperature for harsh field and factory environments

Applications

  • Multi-channel sensor data acquisition

  • Industrial process monitoring and voltage measurement

  • Structural vibration and low-frequency signal logging

  • Automotive and aerospace component testing

  • Educational and research laboratory measurement systems


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