NI Introduces SCXI-1521 and SCXI-1521B Strain Measurement Modules

11/3/2004 - National Instruments announced the new SCXI-1521 and SCXI-1521B strain measurement modules, two devices that set a new price point for measurement-class structural test. Starting at less than $150 per channel, the SCXI-1521/B modules are the lowest-cost, measurement-class strain modules available on the market for high-channel-count structural test.

The SCXI-1521/B modules are 24-channel, quarter-bridge strain gage input modules optimized for low-cost structural test. The SCXI-1521 supports 120 O strain gages per channel while the SCXI-1521B supports 350 O gages. Both modules also include 10 Hz filters, programmable null and shunt calibration, amplification and programmable excitations from 0 to 5 V. The SCXI-1521/B modules work with all SCXI signal conditioning chassis and can be used with the new plug-and-play SCXI-1600 USB data acquisition module for portable applications. Engineers can add other modules to the same SCXI chassis for pressure, temperature and a variety of other sensor and high-voltage measurements. In addition, the SCXI-1521/B modules work seamlessly with NI LabVIEW 7.1 and NI-DAQmx 7.3 measurement services software to reduce overall system setup and application development time.

National Instruments DAQ
By integrating commercial PC-based technologies and investing in innovative research and development, NI continues to lower the cost of measurement and control while improving system performance, accuracy and reliability. Readers can learn more about the latest NI DAQ products and the new M Series, the next generation of multifunction DAQ, at

About National Instruments
National Instruments ( is a technology pioneer and leader in virtual instrumentation a revolutionary concept that has changed the way engineers and scientists in industry, government and academia approach measurement and automation. Leveraging the PC and its related technologies, virtual instrumentation increases productivity and lowers costs through easy-to-integrate software, such as the NI LabVIEW graphical development environment, and modular hardware, such as PXI modules for data acquisition, instrument control and machine vision. Headquartered in Austin, Texas, NI has more than 3,100 employees and direct operations in 41 countries. In 2003, the company sold products to more than 25,000 companies in 90 countries.

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