Low-cost structural strain measurement modules

National Instruments has announced the new SCXI-1521 and SCXI-1521B strain measurement modules.

National Instruments has announced the new SCXI-1521 and SCXI-1521B strain measurement modules.

The company believes that the two devices have set a new price point for measurement-class structural testing.

Starting at less than £107 or 154 Euros per channel, thee modules are the lowest-cost, measurement-class strain modules available on the market for high-channel-count structural test claimed National Instruments (NI).

The SCXI-1521 and SCXI-1521B modules are 24-channel, quarter-bridge strain gauge input modules optimised for low-cost structural test.

The SCXI-1521 supports 120-ohm strain gauges per channel while the SCXI-1521B supports 350-ohm gauges.

Both modules also include 10 Hz filters, programmable null and shunt calibration, amplification and programmable excitations from 0 to 5 V.

The SCXI-1521 and SCXI-1521B 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 and SCXI-1521B modules work seamlessly with NI Labview7.1 and NI-DAQmx 7.3 measurement services software to reduce overall system set-up and application development time.

By integrating commercial PC-based technologies and investing in research and development, NI believes it continues to lower the cost of measurement and control while improving system performance, accuracy and reliability.

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