Description
The USB-6251 is a PC-based multifunction Data Acquisition (DAQ) device manufactured by National Instruments. This device is designed to provide a versatile and efficient solution for data acquisition needs, featuring a part number of 194929D-04L and described as USB-6251, MASS TERMINATION. It supports various connector variations including screw terminal, BNC connectors, and mass terminal, catering to a wide range of application requirements.
The device boasts an impressive capability to handle 8 differential or 16 single-ended analog input channels, making it highly adaptable to different sensor types and configurations. It offers a maximum sampling rate of 1.25 MS/s (single channel) and 1.00 MS/s (multiple channels), ensuring accurate and timely data capture for both single and multiple channel operations.
With an input range of ±1 V, ±2 V, ±5 V, ±10 V, ±0.1 V, ±0.2 V, ±0.5 V, the USB-6251 provides flexibility in accommodating various signal levels. The working voltage is specified at ±11 V (signal and common mode), and it features a high input impedance of 10 GΩ whether powered on or off, ensuring minimal impact on the measured signals.
For optimal performance, the device requires a warm-up time of 30 minutes and a recommended calibration period of at least once every 2 years. These specifications underscore the USB-6251’s reliability and accuracy over extended periods of use, making it an ideal choice for various data acquisition applications.
| Specification | Details |
|---|---|
| Manufacturer | National Instruments |
| Model | USB-6251 |
| Category | PC-based Multifunction DAQ |
| Part Number | 194929D-04L |
| Description | USB-6251, MASS TERMINATION |
| Connector Variations | Screw terminal, BNC connectors, Mass terminal |
| Analog Input Channels | 8 differential or 16 single-ended |
| Sampling Rate (Max) | 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/off) |
| Warm-up Time | 30 minutes |
| Calibration Period | At least once every 2 years |
| Analog Output Channels |
Question 1: What’s the max sampling rate of USB-6251? Question 2: How many analog input channels does USB-6251 have? Question 3: What is the input range of the USB-6251? Question 4: What is USB-6251’s calibration period? Question 5: What’s the part number of USB-6251? |


