Description
The NI-9238 is a high-performance C Series Analog Input module, designated with the part number 783311-01. This module is specifically designed for precision measurement applications, featuring 4 differential analog channels that provide accurate data acquisition capabilities.
The NI-9238 operates within a measurement range of ±500 mV, ensuring versatility in various measurement scenarios. It boasts a maximum continuous input with 250 Vrms channel-to-channel isolation, significantly reducing the risk of channel cross-talk and ensuring the integrity of measurement data.
Additionally, this module can withstand surge voltages up to 1,500 Vrms, offering exceptional protection against unexpected voltage spikes that could potentially damage the equipment. With a sampling rate of 50 kS/s per channel, the NI-9238 allows for high-speed data acquisition, making it suitable for dynamic measurement tasks.
Each channel of the NI-9238 provides a resolution of 24-bit, ensuring detailed and precise measurements. The module employs DC input coupling and features a screw-terminal connectivity, facilitating easy and secure connections to measurement sources. Its input impedance is greater than 1 GΩ, which minimizes the loading effect on the measured signal.
The NI-9238 excels in low-noise performance, with an input noise level of just 3.9 µVrms, ensuring high-fidelity measurements. The module’s gain error is limited to ±0.20%, and the offset error is within ±0.06%, highlighting its accuracy and reliability in measurement applications.
With a weight of 5.15 oz, this module is lightweight yet robust, designed for long-term use in industrial environments. It operates within a wide temperature range of -40 °C to, ensuring reliable performance under various environmental conditions. The NI-9238 is
| Specification | Detail |
|---|---|
| Part Number | 783311-01 |
| Model | NI-9238 |
| Category | C Series Analog Input |
| Channels | 4 differential analog channels |
| Measurement Range | ±500 mV |
| Maximum Continuous Input | 250 Vrms channel-to-channel isolation |
| Surge Voltage | Up to 1,500 Vrms |
| Sampling Rate | 50 kS/s per channel |
| Resolution | 24-bit per channel |
| Input Coupling | DC |
| Connectivity | Screw-terminal |
| Input Impedance | >1 GΩ |
| Input Noise | 3.9 µ Vrms |
| Gain Error | ±0.20% |
| Offset Error | ±0.06% |
| Weight | 5.15 oz |
| Operating Temperature | -40 °C to
Question 1: What is the part number of the NI-9238? Question 2: How many channels does NI-9238 have? Question 3: What is the input range of the NI-9238? Question 4: What is the resolution of the NI-9238? Question 5: What is the maximum input noise of the NI-9238? |


