Description
The National Instruments NI-9238 C Series Voltage Input Module (Part Number: 783311-01) features a high-resolution 24-bit analog-to-digital converter (ADC) across its 4 differential channels, offering a precise measurement range of ±500 mV.
This module ensures robust protection with 250 Vrms continuous channel-to-channel isolation and the ability to withstand up to 1,500 Vrms surge voltages, maintaining specified isolation levels up to an altitude of 2000 meters.
Capable of high-speed data acquisition, the NI-9238 boasts a sampling rate of 50 kS/s per channel, exclusively using DC input coupling with screw-terminal connectivity for secure and reliable connections.
The input impedance of the module is greater than 1 GΩ, minimizing loading effects and preserving signal integrity, while the calibrated input noise remains low at 3.9 μVrms, ensuring high-fidelity measurements.
With a gain error of ±0.20% and an offset error of ±0.06% when calibrated, the NI-9238 delivers accurate readings essential for critical applications. Moreover, the module is compatible with a range of software, including NI-DAQmx, LabVIEW, LabWindows/CVI, and Microsoft Visual C++, facilitating integration into various systems and applications.
| Specification | Detail |
|---|---|
| Part Number | 783311-01 |
| Product Line | National Instruments NI-9238 C Series |
| Resolution | 24-Bit |
| Number of Channels | 4-Channel Differential |
| Measurement Range | ±500 mV |
| Isolation | 250 Vrms continuous channel-to-channel; withstands up to 1,500 Vrms surge |
| Altitude for Specified Isolation | Up to 2000 meters |
| Sampling Rate | 50 kS/s per channel |
| Input Coupling | DC |
| Connectivity | Screw-terminal |
| Input Impedance | >1 GΩ |
| Input Noise | 3.9 μVrms |
| Gain Error (Calibrated) | ±0.20% |
| Offset Error (Calibrated) | ±0.06% |
| Software Compatibility | NI-DAQmx, LabVIEW, LabWindows/CVI, Microsoft Visual C++ |
Question 1: What is the range of altitude up to which the National Instruments NI-9238 C Series Voltage Input Module maintains its specified isolation levels?
Answer 1: The National Instruments NI-9238 C Series Voltage Input Module maintains its specified isolation levels up to an altitude of 2000 meters.
Question 2: What are the isolation specifications and altitude limitations for maintaining those levels on the National Instruments NI-9238 C Series Voltage Input Module?
Answer 2: The continuous channel-to-channel isolation voltage rating of the National Instruments NI-9238 C Series Voltage Input Module is 250 Vrms, and it can withstand surge voltages up to 1,500 Vrms.
Question 3: What are the key features and specifications of the National Instruments NI-9238 C Series Voltage Input Module, including its input impedance and accuracy metrics?
Answer 3: The National Instruments NI-9238 C Series Voltage Input Module offers 250 Vrms continuous channel-to-channel isolation and can withstand surge voltages up to 1,500 Vrms, with specified isolation levels maintained up to an altitude of 2000 meters.
Question 4: What is the range of altitude at which the National Instruments NI-9238 C Series Voltage Input Module can maintain its specified isolation levels?
Answer 4: The National Instruments NI-9238 C Series Voltage Input Module can maintain its specified isolation levels up to an altitude of 2000 meters.
Question 5: What is the continuous channel-to-channel isolation voltage rating of the National Instruments NI-9238 C Series Voltage Input Module, and how high can the surge voltages it withstand be?
Answer 5: The National Instruments NI-9238 C Series Voltage Input Module features a 24-bit ADC across 4 differential channels with a ±500 mV measurement range, channel-to-channel isolation of 250 Vrms continuous, surge voltage withstand capability of up to 1,500 Vrms, a high-speed sampling rate of 50 kS/s per channel, an input impedance greater than 1 GΩ, low calibrated input noise of 3.9 μVrms, a gain error of ±
