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MEMS-Slide8

All Murata inclinometers utilize the 3D-MEMS technology for the sensor elements, providing accurate measurement in single and dual axis product implementations. Models are available with analog output only, analog and digital outputs, as well as digital output only. All outputs are temperature compensated for utmost accuracy. Most models deliver a single-ended output, but the SCA103T provides a differential output for high accuracy, low noise, and high resolution. All models withstand shock to 20,000g. The product models and basic specifications are tabulated on this slide. The SCA103T, SCA61T, and SCA830 models measure inclination in a single axis, the SCA100T, SCA121T, and SCA1700 measure inclination in two axes. The range of inclination measurement varies by model with specific ranges of ±15 degrees, ±30 degrees, and ±90 degrees. Most models operate from a well-regulated 5V or 3.3V source, the exceptions being two models of the SCA121T and the SCL1700 that operate from an unregulated source voltage of 7-35V. These latter devices are well-suited for use in equipment operating from 12V, a common vehicular voltage, 24V, commonly used in industrial equipment, and 28V, used in aircraft and some vehicles. The operating temperature ranges for these devices are both considered industrial, the wider range to 125°C considered a harsh industrial environment. Outputs from the SCA100T, SCA103T, and SCA 61T are both analog and digital. However, since the SPI output is limited to eleven bits, for applications requiring high resolution, it is recommended that the analog output be used. Bandwidth for these devices is quite narrow, allowing for rejection of spurious vibrations.

PTM Published on: 2013-09-10