The NI SCC-SG24 is a 2-channel analog input module for high-precision strain measurement with full-bridge load cells and strain gauges. It delivers clean, accurate data through integrated signal conditioning and a 1.6 kHz low-pass filter, enabling reliable performance in mechanical testing, structural analysis, and process monitoring. The module integrates directly into National Instruments C Series data acquisition systems.
– Technical Specifications
Input Channels
• 2 differential input channels
• Designed for full-bridge strain gauge configurations (load cells, pressure transducers, torque sensors)
Bridge Excitation
• 5 VDC regulated excitation per channel
• 12 mA per channel
• ±0.05% of reading + ±10 mV accuracy
• 80 dB CMRR at 60 Hz
• < 5 µV RMS input noise
Bridge Completion
• Internal bridge completion resistors for 1/4 and 1/2 bridge configurations
• Full-bridge support via 4-wire sensor connectivity
Connectivity
• Screw-terminal connections for direct sensor wiring
– Key Features
• Programmable input ranges accommodate variable sensor sensitivities and bridge completion levels
• Digital low-pass filter eliminates high-frequency noise and aliases
• Internal excitation source eliminates need for external bridge power supplies
• High input noise rejection for stable measurements in industrial environments
– Typical Applications
• Mechanical and materials testing
• Structural health monitoring
• Load and force measurement
• Pressure transducer integration
• Torque sensor acquisition
• Process control and monitoring
– Compatibility & Integration
The SCC-SG24 integrates into NI C Series chassis and module carriers. Power requirements depend on host system specifications.
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