Description
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The PCIe-6251 is a PC-based Multifunction DAQ device designed to meet a wide range of data acquisition needs. The part number for this device is 192242D-03L, although it is important to note that the original description lists 779512-01 as the part number, so please verify before proceeding.
This device boasts a significant number of analog inputs, offering 16 AI (Single-Ended) or 8 Differential inputs with a 16-bit resolution. It is capable of a maximum sample rate of 1.25 MS/s (Single Channel) and 1.00 MS/s (Multiple Channels) for analog inputs. In addition, it provides 2 analog outputs with a 16-bit DAC resolution, supporting a max update rate of 2.86 MS/s (1 Channel) and 2.00 MS/s (2 Channels).
The device is also equipped with 24 digital I/O and 8 correlated DIO, enhancing its versatility in various applications. The PCI Express bandwidth is rated at 250 MB/s per direction, ensuring fast and efficient data transfer.
Regular calibration is recommended every 2 years to maintain accuracy and performance. The PCIe-6251 is relatively lightweight at 5.7 oz. and has compact dimensions of 4.2 x 6.1 inches, making it easy to integrate into various setups.
It is compatible with a range of software including NI-DAQmx, NI-DAQmx Base, and Measurement Hardware DDK. However, it is not compatible with Traditional Legacy NI-DAQ software, which is an important consideration for potential users.
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| Specification | Detail |
|---|---|
| Part Number | 192242D-03L (Note: Original Description lists 779512-01, please verify) |
| Category | PC-based Multifunction DAQ |
| Model | PCIe-6251 |
| Analog Inputs | 16 AI (Single-Ended) or 8 Differential, 16-bit resolution |
| Max Sample Rate (AI) | 1.25 MS/s (Single Channel), 1.00 MS/s (Multiple Channels) |
| Analog Outputs | 2 AO, 16-bit DAC resolution |
| Max Update Rate (AO) | 2.86 MS/s (1 Channel), 2.00 MS/s (2 Channels) |
| Digital I/O | 24 DIO, 8 Correlated DIO |
| PCI Express Bandwidth | 250 MB/s per direction |
| Calibration Period | Recommended every 2 years |
| Weight | 5.7 oz. |
| Dimensions | 4.2 x 6.1 in. |
| Software Compatibility | NI-DAQmx, NI-DAQmx Base, Measurement Hardware DDK (Not compatible with Traditional Legacy NI-DAQ) |
| Question 1: What is the sample rate for PCIe-6251’s AI? Answer 1: Up to 1.25 MS/s for single channel. Question 2: How many AI and AO does PCIe-6251 have? Question 3: What is the part number for PCIe-6251? Question 4: Is PCIe-6251 compatible with NI-DAQmx? Question 5: How often is calibration recommended for PCIe-6251? |




