Description
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The NI USB-6251 M Series DAQ Device is a PC-based multifunction data acquisition device, identified by part number 779627-11. It is designed for a wide range of applications and comes with the NI-DAQMX driver, specifically configured for use in Brazil. This model, the USB-6251, offers versatility through its connector variations, which include Screw Terminal, BNC, and Mass Terminal, catering to various setup requirements.
One of the key features of the USB-6251 is its analog input channels. It supports 8 differential or 16 single-ended channels, allowing for flexible data acquisition setups. The device boasts 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. The input range is quite extensive, accommodating ±1 V, ±2 V, ±5 V, ±10 V, ±0.1 V, ±0.2 V, and ±0.5 V, which makes it suitable for a broad spectrum of signal types.
In terms of voltage, the USB-6251 operates within a working voltage of ±11 V, both signal and common mode, and features a high input impedance of 10 GΩ, whether the device is on or off. Users should allow a warm-up time of 30 minutes for optimal performance. To maintain accuracy, a calibration period of at least once in 2 years is recommended.
Additionally, the device provides 2 analog output channels, with an update rate of 2.86 MS/s for 1 channel, ensuring efficient output operations. This multifaceted DAQ device is engineered to meet the demands of various data acquisition tasks while ensuring reliability and accuracy.
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| Specification | Details |
|---|---|
| Part Number | 779627-11 |
| Category | PC-based Multifunction DAQ |
| Model | USB-6251 |
| Description | NI USB-6251 M Series DAQ Device, Screw Term, NI-DAQMX Driver, Brazil |
| Connector Variations | Screw Terminal, BNC, 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 (device on or off) |
| Warm-up Time | 30 minutes |
| Calibration Period | At least once in 2 years |
| Analog Output Channels | 2 |
| Update Rate | 2.86 MS/s (1 channel), 2
Question 1: What is the part number for the NI USB-6251? Question 2: How many analog input channels does the USB-6251 have? Question 3: What is the max sampling rate of the USB-6251 for a single channel? Question 4: What voltage range can the USB-6251 input accommodate? Question 5: What is the recommended calibration period for the USB-6251? |



