Description
The USB-6341 is a versatile data acquisition device from National Instruments, recognized for its high-quality instrumentation hardware. This model is identified by several part numbers, including 781438-01, 782251-01, 782250-01, and 782254-01, ensuring a range of options for specific requirements.
It features 16 single-ended or 8 differential analog input channels, providing flexibility for various measurement needs. These channels are supported by a 16-bit ADC resolution, ensuring high-precision data capture. The device also includes 2 analog output channels, making it suitable for tasks that require both input and output operations.
With a maximum sample rate of 500 kS/s, the USB-6341 is capable of handling high-speed data acquisition, making it an ideal choice for a wide range of applications. Its timing resolution is set at 10 ns, with a timing accuracy of 50 ppm, providing precise control and synchronization of data sampling.
The device’s input coupling is DC, and it supports a variety of input ranges, including ±0.2 V, ±1 V, ±5 V, and ±10 V, alongside a working voltage of ±11 V. This range of input specifications caters to diverse measurement requirements, ensuring adaptability across different applications.
Its input impedance can be switched between 10 GΩ and 1,200 Ω in parallel with 100 pF, providing flexibility in handling various signal types. To achieve optimal performance, a recommended warm-up time of 15 minutes is advised.
Maintaining the USB-6341’s accuracy and reliability requires calibration at least every 2 years, ensuring long-term precision and performance stability. This calibration period helps in maintaining the device’s high standards of measurement accuracy and reliability over time.
| Specification | Details |
|---|---|
| Part Numbers | 781438-01, 782251-01, 782250-01, 782254-01 |
| Model | USB-6341 |
| Manufacturer | National Instruments |
| Analog Input Channels | 16 single-ended or 8 differential |
| ADC Resolution | 16 bits |
| Analog Output Channels | 2 |
| Maximum Sample Rate | 500 kS/s |
| Timing Resolution | 10 ns |
| Timing Accuracy | 50 ppm |
| Input Coupling | DC |
| Input Ranges | ±0.2 V, ±1 V, ±5 V, ±10 V |
| Working Voltage | ±11 V |
| Input Impedance (On/Off) | 10 GΩ / 1,200 Ω in parallel with 100 pF |
| Recommended Warm-up Time | 15 minutes |
| Calibration Period | At least every 2 years |
| Input
Question 1: What is the max sample rate of the USB-6341? Question 2: How often does the USB-6341 need recalibration? Question 3: What input impedance options does the USB-6341 offer? Question 4: What are the input ranges supported by the USB-6341? Question 5: How many analog input channels does the USB-6341 have? |



