Description
The NI TB-4339 Terminal Block, with a part number TB-4339, is a key accessory for the PXIe-4339 Universal Bridge Input Module, enhancing signal integrity through direct module attachment. It incorporates a 120 Ω quarter bridge resistor and a 50 kΩ shunt calibration resistor, ensuring precise signal conditioning without the need for external calibration.
This terminal block is robust with a weight of 24.7 oz and is designed to maintain a low rated trace resistance of less than 20 mΩ between the screw terminal and connector, which is essential for high-accuracy measurements. The screw terminals can accommodate wires up to 1.5 mm2 (14 AWG), making it versatile for various wire sizes.
No calibration is needed for the NI TB-4339, which allows for straightforward setup and maintenance, ensuring reliable performance in a wide range of applications that require precise signal conditioning.
| Specification | Detail |
|---|---|
| Part Number | TB-4339 |
| Description | NI TB-4339 Terminal Block |
| Compatible Module | PXIe-4339 Universal Bridge Input Module |
| Quarter Bridge Resistor | 120 Ω |
| Shunt Calibration Resistor | 50 kΩ |
| Weight | 24.7 oz. |
| Attachment | Direct to host module |
| Rated Trace Resistance | <20 mΩ (between screw terminal and connector) |
| Screw Terminal Wire Gauge | Max 1.5 mm2 (14 AWG) |
| Calibration | Not required |
Question 1: What is the function of the 120 Ω quarter bridge resistor and the 50 kΩ shunt calibration resistor within the NI TB-4339 Terminal Block?
Answer 1: The 120 Ω quarter bridge resistor within the NI TB-4339 Terminal Block is used to complete the bridge circuitry for strain measurements, and the 50 kΩ shunt calibration resistor is utilized to simulate strain for calibration purposes, ensuring precise signal conditioning without the need for external calibration devices.
Question 2: What are the features and design specifications that make the NI TB-4339 Terminal Block compatible with the PXIe-4339 Universal Bridge Input Module, and how do these features contribute to its function in high-accuracy measurements?
Answer 2: The NI TB-4339 Terminal Block benefits from integrated 120 Ω quarter bridge and 50 kΩ shunt calibration resistors which enhance signal integrity and precision, eliminating the need for external calibration and thereby simplifying setup and maintenance.
Question 3: What features of the NI TB-4339 Terminal Block contribute to its capability to provide precise signal conditioning without requiring external calibration?
Answer 3: The NI TB-4339 Terminal Block features a 120 Ω quarter bridge resistor and a 50 kΩ shunt calibration resistor, as well as a low rated trace resistance of less than 20 mΩ between the screw terminal and connector, all of which contribute to its ability to provide precise signal conditioning without the need for external calibration.
Question 4: What are the key features and benefits of the NI TB-4339 Terminal Block that make it suitable for use with the PXIe-4339 Universal Bridge Input Module?
Answer 4: The NI TB-4339 Terminal Block is designed to enhance signal integrity when used with the PXIe-4339 Universal Bridge Input Module by incorporating a 120 Ω quarter bridge resistor and a 50 kΩ shunt calibration resistor for precise signal conditioning without the need for external calibration. Its robust build, with a weight of 24.7 oz and a low rated trace resistance of less than 20 mΩ between the screw terminal and connector, ensures minimal signal loss, contributing
Question 5: What are the benefits of the NI TB-4339 Terminal Block’s integrated resistors and its impact on calibration requirements?
Answer 5: The NI TB-4339 Terminal Block is designed for seamless integration with the PXIe-4339 Universal Bridge Input Module, featuring a built-in 120 Ω quarter bridge resistor and a 50 kΩ shunt calibration resistor for precise signal conditioning without external calibration, a robust design with a weight of 24.7 oz, a low rated trace resistance of less than 20 mΩ for accurate measurements, and compatibility with wire sizes up to 1.5 mm² (
