Description
The NI-9251 is a high-performance analog input module characterized by its part numbers 157874B-01L and 783814-01. This module falls under the C Series Analog Input category, providing a robust solution for various data acquisition needs. The module boasts an impressive input range of 3 Vrms, coupled with a high-resolution 24-Bit converter, ensuring precise and accurate measurements.
Designed for versatility, the NI-9251 features Mini XLR connectivity, allowing for easy and secure connections. Its capability to handle up to 102.4 kS/s per channel makes it suitable for a wide range of high-speed applications. With 2-Channel Differential support, users can expect reliable performance and reduced noise interference in their measurements.
This module is compatible with CompactRIO and CompactDAQ systems, offering a seamless integration for users within these ecosystems. Additionally, it provides ±30 V overvoltage protection on both channels, safeguarding the module against unexpected voltage spikes. The software-selectable AC/DC input coupling adds a layer of versatility, allowing users to tailor the module according to their specific application requirements.
The NI-9251 stands out with its low maximum idle channel noise of 8.5 µVrms, ensuring that signal integrity is maintained even in the most demanding environments. Moreover, its input resistance is 2 MΩ single ended and 4 MΩ differential, and it has an input capacitance of 940 pF from the input pin to ground, highlighting its ability to interface with a wide range of sensors and signals.
In conclusion, the NI-9251 mXLR, 3 Vrms, 24-Bit, 102.4 kS/s/ch, 2-Ch Diff, AI Module is a comprehensive solution for users seeking high-quality analog input capabilities. Its robust feature set ensures that it can meet the demands of complex data acquisition tasks, making it an invaluable tool for engineers and researchers alike.
| Specification | Details |
|---|---|
| Part Number | 157874B-01L / 783814-01 |
| Category | C Series Analog Input |
| Model | NI-9251 |
| Description | NI 9251 mXLR, 3 Vrms, 24-Bit, 102.4 kS/s/ch, 2-Ch Diff, AI Module |
| Connectivity | Mini XLR |
| Input Range | 3 Vrms |
| Resolution | 24-Bit |
| Maximum Sample Rate | 102.4 kS/s per channel |
| Channels | 2-Channel Differential |
| System Compatibility | CompactRIO and CompactDAQ |
| Overvoltage Protection | ±30 V on both channels |
| Input Coupling | Software-selectable AC/DC |
| Maximum Idle Channel Noise | 8.5 µVrms |
| Input Resistance | 2 MΩ single ended, 4 MΩ differential |
| Input Capacitance | 940 pF from input pin to ground
Question 1: What is the part number of the NI-9251 module? Question 2: What is the input range of the NI-9251? Question 3: What type of connectivity does the NI-9251 support? Question 4: What systems is the NI-9251 compatible with? Question 5: What is the maximum idle channel noise of the NI-9251? |



