Description
The Part Number for this product is 781348-01, and it falls under the SC Express category. The model of this product is PXIe-4353, which is described as an NI PXIe-4353 32-Ch Thermocouple Input device. This model features 32 thermocouple analog input channels that are differential, ensuring precise measurements for various applications.
It offers an Analog Input Isolation of 300 V, enhancing the safety and integrity of measurements by isolating the signal path from potentially harmful voltages. The device includes 2 Auto Zero Channels, allowing for automatic calibration to reduce measurement errors. Additionally, there are 8 Cold Junction Compensation Channels that help in maintaining accuracy by compensating for temperature variations at the connection points.
An Integrated TB-4353 isothermal terminal block is part of the design, ensuring that the thermal electromotive force (EMF) effects are minimized across the terminal connections. The Sampling Mode supported by this device is Scan, which allows for sequential measurement across channels. The Analog to Digital Converter used is of the Delta-Sigma type, known for its high precision and low noise characteristics.
The Maximum Sample Rate achievable is 90 samples per second (S/s), suitable for various thermocouple types and applications. This device can measure voltages within a ±80 mV range, ensuring a wide range of signal capture capabilities. The Differential Input Impedance is rated at 20 mega-ohms, which minimizes the loading effect on the signal source.
Regarding accuracy, the DC Linearity is typically 20 parts per million (ppm) and can go up to a maximum of 60 ppm, ensuring high fidelity in measurements across its operational range.
| Specification | Detail |
|---|---|
| Part Number | 781348-01 |
| Category | SC Express |
| Model | PXIe-4353 |
| Description | NI PXIe-4353 32-Ch Thermocouple Input |
| Number of Channels | 32 thermocouple analog input channels (differential) |
| Analog Input Isolation | 300 V |
| Auto Zero Channels | 2 |
| Cold Junction Compensation Channels | 8 |
| Terminal Block | Integrated TB-4353 isothermal terminal block |
| Sampling Mode | Scan |
| Analog to Digital Converter | Delta-Sigma type |
| Maximum Sample Rate | 90 S/s |
| Voltage Measurement Range | ±80 mV |
| Differential Input Impedance | 20 mega-ohms |
| DC Linearity (typical) | 20 ppm |
| DC Linearity (maximum) | 60 ppm |
| Open
Question 1: What is the part number for the PXIe-4353? Question 2: How many thermocouple input channels does PXIe-4353 have? Question 3: What is the max sample rate of PXIe-4353? Question 4: What type of ADC does the PXIe-4353 use? Question 5: Does PXIe-4353 include cold junction compensation? |
