Ultra Miniature Triaxial Accelerometer

The ultra miniature triaxial accelerometer series 3133A, weighs in at just 0.8 grams, and comes in a 6mm cube with integral cable. This sensor will be available in sensitivities of 2mV/g, 5mV/g and 10mV/g and is for adhesive mounting only for minimal mass loading.

Even though the 3133A sensors are tiny, they have a robust construction with a welded titanium housing that is epoxy sealed. The sensor is ideal for tests involving environmental stress screening, printed circuit board vibration measurements, mechanical shock applications or general purpose vibration monitoring where space or weight is at a premium.

The device has integral IEPE electronic circuitry providing a sensitivity of 2mV/g (3133A2), 5mV/g (3133A3), or 10mV/g (3133A1), and can operate at temperatures from -51 degC to 148 degC. It is designed for adhesive mounting and offers a frequency response up to 30kHz ±10%.

For such a small sensor it also has a low frequency response down to 0.4Hz ±10%. It uses ceramic sensing elements in a planar shear mode, that helps to reduce base strain effects and thermal transient response. The integral lightweight cable is almost 1m long and terminates in a 4-pin connector for easy lead wire extension.

November 2009

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