Description
The PXI-4351 is a high-precision digitizer notable for its part number 777790-01. This device is engineered to offer exceptional accuracy and flexibility in a wide range of measurement applications. It utilizes a 24-Bit Sigma-Delta Analog-to-Digital Converter (ADC), ensuring high-fidelity data conversion from analog to digital formats. The PXI-4351 is adept at handling various measurement types, including temperature measurements through thermistors and Resistance Temperature Detectors (RTDs), ohm measurements, and current measurements when used with external shunt resistors.
One of its remarkable features is the built-in 1 mA precision current source, which is essential for accurate resistance measurement. Speaking of resistance, it can measure resistance up to 15 kΩ, making it suitable for a wide range of application needs. Additionally, the device includes programmable TTL-compatible digital I/O, enhancing its versatility in different measurement setups.
Software compatibility is another strong suit of the PXI-4351. It is designed to be plug and play and fully software-calibrated, ensuring ease of use and minimal setup time. It supports various operating systems, indicating its flexibility in different computing environments. The input characteristics of the PXI-4351 are also noteworthy, with 14 thermocouple or 16 differential channels, providing ample connectivity for multiple sensors or measurement points.
With an ADC resolution of 24 bits, the PXI-4351 guarantees high precision in data acquisition. Its architecture includes features like low leakage construction, digital and analog filtering, and software-programmable ground-referencing, all of which contribute to its reliability and accuracy in measurements.
Despite being announced as obsolete by National Instruments, the PXI-4351 remains available for purchase and repairs through Apex Waves. This ensures that users can continue to rely on this high-quality instrument for their precision measurement needs without concern for its discontinued status.
| Specification | Detail |
|---|---|
| Part Number | 777790-01 |
| Model | PXI-4351 |
| Type | High-Precision Digitizer |
| Analog-to-Digital Converter | 24-Bit Sigma-Delta |
| Measurement Types | Temperature through thermistors, RTDs; Ohm measurements; Current measurements with external shunt resistors |
| Precision Current Source | 1 mA (built-in) |
| Resistance Measurement Range | Up to 15 kΩ |
| Digital I/O | Programmable TTL-compatible |
| Software Compatibility | Plug and Play, fully software-calibrated |
| Operating System Compatibility | Various |
| Input Characteristics | 14 thermocouple or 16 differential channels |
| ADC Resolution | 24 bits |
| Features | Low leakage construction, digital and analog filtering, software-programmable ground-referencing |
| Obsolete Status | Announced by National Instruments, available for purchase and repairs by Apex Waves |
Question 1: What is the ADC type in the PXI-4351?
Answer 1: 24-Bit Sigma-Delta ADC
Question 2: Can the PXI-4351 measure temperature?
Answer 2: Yes, through thermistors and RTDs.
Question 3: What is the resistance measurement limit of the PXI-4351?
Answer 3: Up to 15 kΩ
Question 4: Does the PXI-4351 have digital I/O?
Answer 4: Yes, programmable TTL-compatible I/O.
Question 5: Is the PXI-4351 still supported by National Instruments?
Answer 5: No, it’s obsolete but supported by Apex Waves.
