Description
The National Instruments USB-6281 is a PC-based Multifunction DAQ device designed for a wide range of applications. This model, recognized for its high-quality build and performance, offers an impressive array of features and specifications that make it a versatile choice for professionals and hobbyists alike.
With model numbers including 780054-01, 780054-07, 780053-04, 780053-01, and 780054-04, the USB-6281 provides flexibility and reliability in various configurations. It supports 16 single-ended or 8 differential analog input channels, allowing for diverse and comprehensive data acquisition tasks.
The device boasts an 18-bit ADC resolution, ensuring high-precision measurements. When it comes to sampling rates, the USB-6281 can achieve a maximum sample rate of 625 kS/s for single-channel operations, and up to 500 kS/s for multiple channels, making it adept at handling high-speed data logging and signal processing tasks.
Concerning safety and durability, the USB-6281 offers robust overvoltage protection. When the device is on, it can withstand voltages of ±25 V, and when off, up to ±15 V. Moreover, it is designed to manage a maximum input current of ±25 mA/AI pin during overvoltage conditions, with an input bias current of ±100 pA, safeguarding the device and connected systems from potential damage.
The USB-6281 is also equipped with 2 analog output channels, featuring a 16-bit DAC resolution. This allows for precise control signals and waveform generation, with a maximum update rate of 2.86 MS/s for one channel, highlighting the device’s capability for fast and efficient output tasks.
In summary, the National Instruments USB-6281 stands out as a high-performance, multifunction DAQ device, offering a rich set of features that cater to a broad spectrum of data acquisition and control applications. Its robust design, coupled with high-resolution input and output capabilities, make it a reliable and effective tool for
| Feature | Specification |
|---|---|
| Manufacturer | National Instruments |
| Model | USB-6281 |
| Part Numbers | 780054-01, 780054-07, 780053-04, 780053-01, 780054-04 |
| Category | PC-based Multifunction DAQ |
| Analog Input Channels | 16 single-ended or 8 differential |
| ADC Resolution | 18-bits |
| Maximum Sample Rate (Single Channel) | 625 kS/s |
| Maximum Sample Rate (Multiple Channels) | 500 kS/s |
| Overvoltage Protection (Device On) | ±25 V |
| Overvoltage Protection (Device Off) | ±15 V |
| Maximum Input Current during Overvoltage Condition | ±25 mA/AI pin |
| Input Bias Current | ±100 pA |
| Analog Output Channels | 2 |
| DAC Resolution | 16-bits |
| Maximum Update Rate (One Channel) | 2.86 MS/s |



