Description
The NI-9238 is a part of the C Series Analog Input category, identified by the part number 783311-01. This module is designed to offer a 4-Channel Voltage Input, specifically in a differential mode. It is capable of handling a measurement range of ±500 mV, ensuring precise data acquisition for a variety of applications.
One of the key features of the NI-9238 is its channel isolation, which stands at 250 Vrms continuous, with the capability to handle up to 1,500 Vrms surge. This ensures that the module can operate safely and reliably in environments where electrical surges may occur. Moreover, the module boasts a sampling rate of 50 kS/s per channel, combined with a 24-Bit resolution, making it highly suitable for capturing high-quality data.
For connectivity, the NI-9238 utilizes a screw-terminal approach, which simplifies the installation and connection process. The module’s input coupling is DC, and it features an input impedance of over 1 GΩ, further enhancing its performance capabilities. Additionally, the module maintains a low input noise level at 3.9 μVrms, ensuring that the data captured is both accurate and reliable.
The NI-9238 also exhibits a minimal gain error of ±0.20% and an offset error of ±0.06%, underscoring its precision in measurement. It is compatible with various software platforms, including NI-DAQmx, LabVIEW, LabWindows/CVI, and Microsoft Visual C++, offering flexibility in terms of data analysis and processing.
Lastly, the module’s weight is 5.15 oz, making it lightweight and easy to integrate into a variety of setups. With its combination of high precision, reliability, and compatibility, the NI-9238 is
| Specification | Detail |
|---|---|
| Part Number | 783311-01 |
| Category | C Series Analog Input |
| Model | NI-9238 |
| Channels | 4-Channel Voltage Input, Differential |
| Measurement Range | ±500 mV |
| Channel Isolation | 250 Vrms continuous, up to 1,500 Vrms surge |
| Sampling Rate | 50 kS/s per channel |
| Resolution | 24-Bit |
| Input Coupling | DC |
| Connectivity | Screw-terminal |
| Input Impedance | >1 GΩ |
| Input Noise | 3.9 μVrms |
| Gain Error | ±0.20% |
| Offset Error | ±0.06% |
| Software Compatibility | NI-DAQmx, LabVIEW, LabWindows/CVI, Microsoft Visual C++ |
| Weight | 5.15 oz |



