Description
The USB-6251 is a PC-based Multifunction DAQ part of the product lineup from National Instruments, bearing the part number 194929A-04. This device is renowned for its versatility and efficiency in data acquisition tasks, catering to various needs with its different connector variations, including Screw Terminal, BNC, and Mass Terminal, making it adaptable for a wide range of applications.
It features 8 differential or 16 single-ended analog input channels, providing flexibility in handling different types of sensors and signals. The USB-6251 is capable of a maximum sampling rate of 1.25 MS/s for a single channel and 1.00 MS/s for multiple channels, ensuring high-speed data capture with precision. The input range is notably versatile, offering options such as ±1 V, ±2 V, ±5 V, ±10 V, ±0.1 V, ±0.2 V, and ±0.5 V, which allows users to accurately measure a wide spectrum of signals.
The working voltage tolerance is impressive at ±11 V (signal and common mode), and with an input impedance of 10 GΩ whether powered on or off, it ensures minimal signal distortion and high accuracy in readings. Users should note the 30-minute warm-up time for the device to stabilize and deliver optimal performance. To maintain its accuracy and reliability, a calibration period of at least once in 2 years is recommended.
Additionally, it is equipped with 2 analog output channels, with an output update rate enabling efficient and timely signal output for control or further processing tasks. The USB-6251 by National Instruments stands out for its comprehensive features and specifications, making it a top choice for professionals seeking a high-quality, multifunction DAQ solution.
| Specification | Details |
|---|---|
| Part Number | 194929A-04 |
| Category | PC-based Multifunction DAQ |
| Model | USB-6251 |
| Manufacturer | National Instruments |
| Connector Variations | Screw Terminal, BNC, Mass Terminal |
| Analog Input Channels | 8 differential or 16 single-ended |
| Sampling Rate (Maximum) | 1.25 MS/s (single channel), 1.00 MS/s (multiple channels) |
| Input Range | ±1 V, ±2 V, ±5 V, ±10 V, ±0.1 V, ±0.2 V, ±0.5 V |
| Working Voltage | ±11 V (signal and common mode) |
| Input Impedance | 10 GΩ (powered on or off) |
| Warm-Up Time | 30 minutes |
| Calibration Period | At least once in 2 years |
| Analog Output Channels | 2 |
| Output Update Rate | 2.86
Question 1: What is the part number of the USB-6251? Question 2: What types of connectors does the USB-6251 support? Question 3: What is the USB-6251’s max sampling rate for one channel? Question 4: How often should the USB-6251 be calibrated? Question 5: What is the input impedance of the USB-6251? |
