Acquired Electronics360

MEMS and Sensors

Accelerometer Modules for Measurements on up to Three Orthogonal Axes

15 May 2017

Model 2210 Series DC accelerometer modules offered by Silicon Designs (Kirkland, WA) now include measurement capabilities on one, two or three orthogonal axes.

Low-noise single axis Model 2210 accelerometer modules integrate a MEMS VC accelerometer chip with high-drive, low-impedance buffering for reliable, repeatable measurements. When used with a Silicon Designs mounting block, such as the Model 2330-BLK, the Model 2210 can effectively measure on either one, two or three axes, allowing for the specification of a single part number for multiple requirements, thereby reducing in-house inventory counts.

Offered in ranges from ±2 to ±400 g, the Model 2210 Series generates two analog voltage outputs that vary in response to applied acceleration. Customers can utilize either single-ended or differential output, the latter of which doubles accelerometer sensitivity over single-ended versions. The sensitive axis of the Model 2210 is perpendicular to the package bottom, with positive acceleration defined as a force pushing on the bottom of that package. Output scale factor is independent from the supply voltage of +8 to +32V. At zero acceleration, differential output voltage is nominally 0 VDC; at full scale, ±4 VDC.

Sensing elements of the Model 2210 are packaged within a lightweight, anodized epoxy sealed aluminum housing, occupying a total footprint of just one square inch. The design features a simple-yet-robust four-wire connection and internal voltage regulator, which minimizes supply voltage variation effects. Units are relatively insensitive to temperature changes and feature quick, easy self-calibration.

Model 2210 MEMS VC accelerometer modules are ideal for lower frequency vibration testing requirements, including vibration analysis, machinery control, modal analysis, robotics, and crash testing.

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