Customized Support National Instruments PXIe-4339 PXI Strain/Bridge Input Module
The National Instruments PXIe-4339 PXI Strain/Bridge Input Module offers advanced measurement capabilities for strain gauge and bridge sensor applications.
Key Features
- Dual error correction methods: Remote sensing and shunt calibration
- Built-in remote sensing system for automatic compensation of excitation lead errors
- Ideal for half-bridge and full-bridge sensors with long leads or small gauge wires
- Shunt calibration circuit with software-controlled switch for precise calibration
- Optimized for three-wire quarter-bridge configurations
Technical Specifications
| Analog Input Voltage Range |
Multiple ranges from ±0.1V to ±10V and various mV/V ranges |
| Maximum Sampling Rate |
25.6 kS/s |
| Channels |
8 differential analog input channels |
| Bridge Configurations |
Quarter-bridge, Half-bridge, Full-bridge |
| Bridge Resistance |
120Ω, 350Ω, 1000Ω |
Error Correction Technology
The PXIe-4339 module features advanced compensation systems to maintain measurement accuracy. The remote sensing system continuously corrects for excitation lead resistance errors, while the shunt calibration circuit precisely compensates for bridge resistor variations.



