- 350 Ω quarter-bridge completion resistor per channel
- Programmable excitation (0 to 5 V) per channel
- SCXI-1600 (USB) is recommended for controlling this module; also compatible with M Series
- 24 analog input channels
- NI-DAQmx Measurement Services software to simplify configuration and measurements
- Lowpass filter (10 Hz) per channel
 Data Sheet | Specifications
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Configure System
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Use SCXI Advisor to configure an SCXI data acquisition system based on this module.
The National Instruments SCXI-1521 is a 24-channel 350 Ω strain gage input module that offers all of the features you need for quarter-bridge strain measurements. The NI SCXI-1521 offers a fixed-gain amplifier and fixed 2-pole Butterworth filter on each channel to ensure accurate measurements. Each channel also has an independent 0 to 5 V programmable excitation source with 1023 steps of resolution. In addition, the SCXI-1521 offers an internal 100 kΩ shunt calibration resistor on each channel for gain calibration. The SCXI-1521 module is used in conjunction with the SCXI-1317 terminal block, which offers screw terminal connections.
The SCXI-1600USB data acquisition module can be used in conjunction with this module to create a completely plug-and-play USB data acquisition system. An SCXI chassis is required to house the SCXI-1600 and assorted SCXI modules for a particular system. The SCXI-1000 chassis is capable of holding up to four modules while the SCXI-1001 can hold up to 12.
Additional Product Information
Specifications Documents
Specifications Summary
Extended Warranties
National Instruments designs and manufactures all products to minimize failures, but we know unexpected failures can still occur. Extended warranties provide a fixed economical price at the time of system purchase covering any repair costs for up to three years.
- Significant cost savings compared to individual repair incidents
- Fault location, diagnostics, and repair by NI any time the system product fails
- All parts and labor costs covered as well as any adjustments needed to bring the hardware back to manufacturing specifications
Calibration
NI recognizes the need to maintain properly calibrated devices for high-accuracy measurements. We provide manual calibration procedures, services to recalibrate your products, and automated calibration software to calibrate many of our measurement products.
Training
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- You can return your registered product under warranty at no additional labor and parts cost. NI offers fault location, diagnostics, and repair any time the system fails as well as any adjustments needed to bring the hardware back to manufacturing specifications.
- Contact us to obtain a Return Material Authorization (RMA) form and shipping instructions
- View your RMA support request status online
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