Description
The National Instruments USB-4431 is a sophisticated data acquisition device, designed meticulously with the part number 780165-01. This high-performance device stands out with its capacity to handle 5 channels, which includes four differential analog input channels and one single output channel, making it highly versatile for various measurement applications.
One of the key features of the USB-4431 is its impressive dynamic range of 100 dB, ensuring high-quality signal acquisition with minimal distortion. The device offers specialized signal conditioning, which is software-selectable for both accelerometers and microphones, catering to a wide range of sensor types with ease.
With a sampling rate that ranges from 2 kS/s to 102.4 kS/s, the USB-4431 provides flexibility in capturing data at various speeds to meet different application requirements. This is complemented by its 24-bit ADC resolution, enabling precise data conversion for accurate measurements. The device operates in a simultaneous sampling mode, ensuring synchronized data capture across all channels.
The USB-4431 is designed to be efficient, with a power consumption of up to 2.5 W, making it an energy-conscious choice for continuous operation. Its sample rate accuracy is maintained within ±100 ppm maximum, ensuring reliable performance over time.
In terms of input and output specifications, the device supports an input range of ±10V and provides input protection up to ±60V, safeguarding the device against unexpected voltage spikes. The output signal range is specified as ±3.5V, with a minimum working load of 1 kΩ and an output resistance of 50 kΩ.
The USB-4431 excels in analysis capabilities, offering tools for Power Spectra
| Feature | Specification |
|---|---|
| Part Number | 780165-01 |
| Manufacturer | National Instruments |
| Model | USB-4431 |
| Channels | 5 (Four differential analog input, One single output channel) |
| Dynamic Range | 100 dB |
| Signal Conditioning | Software-selectable for accelerometers and microphones |
| Sampling Rate | 2 kS/s to 102.4 kS/s |
| Power Consumption | Up to 2.5 W |
| ADC Resolution | 24-bits |
| Sampling Mode | Simultaneous |
| Sample Rate Accuracy | ±100 ppm maximum |
| Input Range | ±10V |
| Input Protection | ±60V |
| Output Signal Range | ±3.5V |
| Minimum Working Load | 1 kΩ |
| Output Resistance | 50 kΩ |
| Analysis Capabilities | Power Spectra, Zoom FFTs, Fractional-Octave analysis |
| Driver Software | NI-DAQmx |
| Recommended Warm-up Time | 15 minutes |
| External Calibration Period | At least once a year |
| Weight | 1.5 lbs |
| Dimensions | 5.6 x 7.1 x 1.5 in. |
| Operating Temperature
Question 1: What’s the part number of the National Instruments USB-4431? Question 2: How many channels does the USB-4431 have? Question 3: What is the dynamic range of the USB-4431? Question 4: What is the max sample rate of the USB-4431? Question 5: What is the ADC resolution of the USB-4431? |


