Description
The National Instruments USB-6281 is a highly versatile, PC-based Multifunction DAQ device designed to meet a wide range of data acquisition needs. This model, recognized for its robustness and efficiency, interfaces with systems through USB, offering a seamless and user-friendly experience.
The USB-6281 supports up to 16 single-ended or 8 differential analog input channels, providing the flexibility needed for various measurement requirements. It boasts an 18-bits Analog-to-Digital Converter (ADC) resolution, ensuring high precision in data collection. The device can handle a maximum sample rate of 625 kS/s for a single channel and 500 kS/s for multiple channels, allowing for efficient data acquisition in real-time applications.
Regarding safety, the USB-6281 is designed with robust overvoltage protection, offering ±25 V protection when the device is on and ±15 V when it’s off. Furthermore, it can withstand a maximum input current of ±25 mA/AI pin during overvoltage conditions without damage. The input bias current is remarkably low, at ±100 pA, minimizing errors in measurement.
In addition to its analog input capabilities, the device features 2 analog output channels with a 16-bits Digital-to-Analog Converter (DAC) resolution. This allows for precise control signals to be generated, making the USB-6281 a comprehensive solution for a wide range of data acquisition tasks.
The USB-6281 is identifiable by its part numbers: 780054-01, 780054-07, 780053-04, 780053-01, 780054-04. This range of part numbers ensures that users can find the exact specification required for their specific applications, further highlighting the device’s versatility and adaptability to various data acquisition needs.
| Specification | Detail |
|---|---|
| Manufacturer | National Instruments |
| Model | USB-6281 |
| Part Numbers | 780054-01, 780054-07, 780053-04, 780053-01, 780054-04 |
| Category | PC-based Multifunction DAQ |
| Interface | USB |
| Analog Input Channels | 16 single-ended or 8 differential |
| ADC Resolution | 18-bits |
| Max Sample Rate (Single Channel) | 625 kS/s |
| Max Sample Rate (Multiple Channels) | 500 kS/s |
| Overvoltage Protection (Device On) | ±25 V |
| Overvoltage Protection (Device Off) | ±15 V |
| Max Input Current (Overvoltage) | ±25 mA/AI pin |
| Input Bias Current | ±100 pA |
| Analog Output Channels | 2 |
| DAC Resolution | 16-bits |
| Max Update Rate (
Question 1: What is the USB interface of the USB-6281? Question 2: How many analog inputs does the USB-6281 support? Question 3: What is the ADC resolution of the USB-6281? Question 4: What is the max sample rate for a single channel on the USB-6281? Question 5: How many analog outputs does the USB-6281 have? |
