Product Description
The NI SCXI-1325 is an industrial high-voltage isolated terminal block module designed for NI SCXI modular data acquisition and signal conditioning systems. Serving as the front-end signal connection and insulation protection unit for high-voltage industrial measurement platforms, it undertakes high-voltage signal wiring isolation, sensor signal access, circuit insulation protection and stable signal transmission tasks. It is specially matched with SCXI series signal conditioning modules, providing safe and reliable high-voltage signal docking solutions for industrial vibration testing, electrical parameter measurement and automated test systems, effectively protecting rear-end acquisition equipment from high-voltage impact and ensuring the accuracy and safety of industrial data acquisition.

Adopting professional high-voltage insulation circuit design and industrial-standard wiring architecture, this module supports 250 Vrms channel-to-ground and channel-to-channel high isolation voltage, providing excellent electrical safety spacing and insulation performance. It integrates multi-channel screw terminals and front-mounted BNC connectors, supporting flexible signal access methods to adapt to diverse on-site sensor and high-voltage signal wiring requirements. Compatible with mainstream SCXI chassis and signal conditioning modules such as SCXI-1124, it realizes seamless system matching and rapid engineering deployment. Built-in lightning surge suppression and signal noise isolation structures effectively eliminate high-voltage interference and crosstalk between channels. With compact industrial modular structure, strict CE and RoHS certification, and wide-temperature environmental adaptability, it supports 24/7 uninterrupted safe signal access and long-term stable operation for industrial high-voltage data acquisition systems.

Main Specifications
- Full Part Number: SCXI-1325; Product Type: Industrial high-voltage isolated signal terminal block module for SCXI acquisition systems
- Applicable System: NI SCXI modular data acquisition chassis, SCXI-1124 and other matched signal conditioning modules
- Core Function: High-voltage signal wiring access, multi-channel electrical isolation, circuit safety protection and signal transmission stabilization
- Isolation Performance: 250 Vrms ultra-high isolation voltage between channel-to-ground and channel-to-channel for high-voltage working condition safety protection
- Wiring Interface: Integrated multi-channel screw terminals and front BNC connectors, supporting dual-mode flexible signal access
- Channel Configuration: Standard multi-channel independent wiring design, avoiding cross-channel signal interference and improving acquisition accuracy
- Compatibility: Perfectly adapted to NI SCXI series chassis and industrial signal conditioning equipment for rapid system integration
- Protection Mechanism: Built-in surge suppression and high-voltage insulation protection to prevent rear-end equipment damage from voltage impact
- Anti-Interference Ability: Professional channel isolation and shielding design to suppress high-voltage field electromagnetic interference and signal crosstalk
- Diagnostic Adaptability: Cooperates with rear-end acquisition modules to realize stable signal monitoring and abnormal circuit state identification
- Operating Resistance: 1 MΩ high input impedance design, reducing signal attenuation and ensuring original signal acquisition
- Certification Standard: Compliant with CE, RoHS industrial safety and environmental protection certification specifications
- Environmental Performance: Wide operating temperature range, vibration-resistant and dust-proof industrial modular structure
- Structural Feature: Standard SCXI plug-in modular design, convenient for on-site wiring, equipment debugging and routine maintenance
- Matching Performance: 100% compatible with NI SCXI series system hardware and industrial measurement software platforms
- Reliability: Industrial measurement grade certification, suitable for long-cycle uninterrupted high-voltage signal acquisition and protection tasks
Core Functions
- Act as the dedicated high-voltage safety wiring and isolation protection core unit for NI SCXI data acquisition systems.
- Realize safe access and stable transmission of industrial high-voltage signals to avoid high-voltage breakdown of rear-end precision equipment.
- Complete multi-channel independent electrical isolation to eliminate cross-channel signal crosstalk and improve measurement accuracy.
- Support dual BNC and screw terminal wiring modes to flexibly adapt to complex on-site high-voltage signal connection scenarios.
- Provide long-term surge and overvoltage protection for industrial acquisition systems to enhance overall system operational safety.
- Guarantee stable, safe and high-precision signal access for long-cycle industrial high-voltage data acquisition and testing systems.
Application Scenarios
- Industrial electrical high-voltage parameter testing and multi-channel signal synchronous acquisition systems
- Mechanical vibration testing, structural dynamic monitoring and industrial sensor signal acquisition platforms
- Automated industrial test bench high-voltage signal conditioning and safety protection scenarios
- Energy and power equipment operating parameter monitoring and high-precision data collection systems
- Replacement and safety upgrading of aging terminal block modules for NI SCXI acquisition systems