Description
The DAQPad-4350, with its part number 18424.4, falls under the SCXI & Legacy category and is a distinguished member of the NI-435x family. This device is specifically designed as a Temperature and Voltage Meter, offering advanced features suitable for a variety of measurement and monitoring tasks.
At the heart of its functionality is a 24-bit sigma-delta Analog-to-Digital Converter (ADC), which ensures precise data acquisition. It supports differential analog inputs, enhancing the accuracy of measurements by reducing noise and interference. Furthermore, the DAQPad-4350 comes with programmable ground-referencing capabilities, allowing users to adjust the reference point for their measurements as required.
One of the standout features of this device is its configurable open-thermocouple detection, which adds an extra layer of reliability by identifying disconnected thermocouples. It also boasts a total resistance measurement capability of up to 600 kΩ and includes a precision current source of 25 µA, facilitating a broad range of measurement tasks.
The DAQPad-4350 is equipped with bipolar input ranges that include ±625 mV, ±1.25 V, ±2.5 V, ±3.75 V, ±7.5 V, and ±15 V, ensuring versatility in voltage measurement applications. It also features robust voltage protection, with ±42 VDC when powered up and ±17 VDC when powered down, safeguarding the device from unexpected voltage spikes.
This device can accommodate 16 differential channels or be configured for 14 thermocouple channels, providing flexibility for a wide array of applications. It is plug-and-play compatible and offers seamless integration with software such as LabVIEW, LabWindows/CVI, VirtualBench, and the NI-435x instrument driver, enhancing its usability across different platforms.
The DAQPad-4350 is software-calibrated, ensuring easy maintenance and consistent performance without the need for manual adjustments. Additionally, it supports multiple operating system types, offering broad
| Feature | Specification |
|---|---|
| Part Number | 18424.4 |
| Category | SCXI & Legacy |
| Model | DAQPad-4350 |
| Type | Temperature and Voltage Meter |
| Family | NI-435x |
| Analog-to-Digital Converter | 24-bit sigma-delta |
| Input Type | Differential analog inputs |
| Programmable Ground-Referencing | Yes |
| Open-Thermocouple Detection | Configurable |
| Total Resistance Measurement Capability | Up to 600 kΩ |
| Precision Current Source | 25 µA |
| Bipolar Input Ranges | ±625 mV, ±1.25 V, ±2.5 V, ±3.75 V, ±7.5 V, ±15 V |
| Voltage Protection When Powered Up | ±42 VDC |
| Voltage Protection When Powered Down | ±17 VDC |
| Channels | 16 differential or 14 thermocouple |
| Software Compatibility | LabVIEW, LabWindows/CVI, VirtualBench, NI-435x instrument driver |
| Plug-and-Play Compatible | Yes |
| Calibration | Software-calibrated |
| Operating System Compatibility | Multiple types supported |
Question 1: What ADC type does the DAQPad-4350 use?
Answer 1: 24-bit sigma-delta ADC
Question 2: How many differential channels does it have?
Answer 2: 16 differential channels
Question 3: Can the DAQPad-4350 detect open thermocouples?
Answer 3: Yes, it has open-thermocouple detection.
Question 4: Is the DAQPad-4350 compatible with LabVIEW?
Answer 4: Yes, it’s compatible with LabVIEW.
Question 5: What’s the DAQPad-4350’s voltage protection when powered up?
Answer 5: ±42 VDC



