Description
The National Instruments PXIe-4139 PXI Source Measure Unit, labeled with the part number 782856-02, is designed to offer advanced capabilities for both sourcing and measuring applications.
Equipped with specialized Guard and Sense terminals on the output connector, this device allows users to implement effective guarding strategies in cabling and test fixtures, significantly improving measurement accuracy and integrity. The Guard terminals are particularly useful for minimizing the effects of leakage currents, while the Sense terminals are crucial for enabling remote sensing. This feature compensates for voltage drops across cables and switches, ensuring that the voltage is accurately applied to the device under test.
With its sophisticated timing and triggering features, the National Instruments PXIe-4139 delivers precise control over the sequencing of sourcing and measuring operations, as well as seamless synchronization with other devices in a test system. This level of precision is vital for applications requiring tight integration and coordination between multiple instruments.
The unit’s sequence engine is a powerful tool that provides precise control over the sourcing functionality and ensures deterministic timing. This is critical for applications where timing accuracy is paramount. A sequence, which is a collection of setpoints executed in a consistent manner, can be run either by applying output values sequentially or by utilizing a trigger to precisely configure the output to the next setpoint at an exact moment in time, followed by the corresponding source delay.
Overall, the PXIe-4139 is a versatile and precise instrument that is well-suited for demanding test and measurement tasks, enabling engineers to achieve high accuracy and repeatability in their work.
| Specification | Detail |
|---|---|
| Product Name | National Instruments PXIe-4139 PXI Source Measure Unit |
| Part Number | 782856-02 |
| Terminals | Guard and Sense terminals on the output connector |
| Guard Terminal Usage | Implement guarding strategies in cabling and test fixtures |
| Sense Terminal Usage | Enable remote sense to compensate for voltage drops due to cable and switch resistances |
| Timing and Triggering | Enables precise control over sourcing and measuring operations and synchronization with other devices |
| Sequence Engine | Provides precise control over sourcing functionality and deterministic timing |
| Sequence Definition | A collection of setpoints executed consistently |
| Running a Sequence | Sequentially apply output values or use a trigger for precise timing of setpoint application |
Question 1: What specific features of the National Instruments PXIe-4139 Source Measure Unit enhance the precision and accuracy of sourcing and measuring operations in test systems?
Answer 1: The National Instruments PXIe-4139 Source Measure Unit enhances the precision and accuracy of sourcing and measuring operations in test systems through its specialized Guard and Sense terminals that minimize leakage currents and enable remote sensing, as well as sophisticated timing and triggering features for precise control and synchronization, and a sequence engine that ensures deterministic timing with the ability to execute setpoints consistently and respond to triggers for exact output configuration.
Question 2: What are some of the key features of the National Instruments PXIe-4139 PXI Source Measure Unit that enhance its sourcing and measuring capabilities?
Answer 2: The National Instruments PXIe-4139 PXI Source Measure Unit enhances the accuracy and precision of test and measurement tasks with features such as Guard and Sense terminals for minimizing leakage currents and compensating for voltage drops, sophisticated timing and triggering for precise control over sourcing and measuring sequences, and a sequence engine that ensures deterministic timing and accurate execution of setpoints.
Question 3: What are the benefits of using the Guard and Sense terminals on the National Instruments PXIe-4139 PXI Source Measure Unit for improving measurement accuracy and integrity in sourcing and measuring applications?
Answer 3: Some of the key features of the National Instruments PXIe-4139 PXI Source Measure Unit that enhance its sourcing and measuring capabilities include specialized Guard and Sense terminals for improved accuracy and integrity, sophisticated timing and triggering options for precise control and synchronization, and a sequence engine that allows for deterministic timing and precise execution of setpoints.
Question 4: What features does the National Instruments PXIe-4139 PXI Source Measure Unit provide to enhance the accuracy and precision of test and measurement tasks?
Answer 4: The National Instruments PXIe-4139 PXI Source Measure Unit’s features that contribute to precise control and improved measurement accuracy in test and measurement applications include its Guard and Sense terminals for minimizing leakage currents and compensating for voltage drops, as well as sophisticated timing and triggering capabilities for seamless synchronization with other devices, and a sequence engine that ensures deterministic timing and precise control over sourcing functionality.
Question 5: What features of the National Instruments PXIe-4139 PXI Source Measure Unit contribute to its ability to provide precise control and improved measurement accuracy in test and measurement applications?
Answer 5: The Guard and Sense terminals on the National Instruments PXIe-4139 PXI Source Measure Unit enhance measurement accuracy and integrity by minimizing the effects of leakage currents through effective guarding strategies and enabling remote sensing to compensate for voltage drops across cables and switches, ensuring the applied voltage is accurate at the device under test.
