Lightweight accelerometer survives rough handling
A
Kistler Instruments product story
Edited by the Engineeringtalk editorial team
Oct 17, 2007
The Type 8278A accelerometer weighs only 700mg but is highly robust, and operates over a wide temperature range of -75C to +180C and can survive mechanical shocks of up to 10,000g.
The new Type 8278A miniature, high-temperature, high impedance accelerometer from Kistler Instruments is designed for use in testing lightweight structures with minimum mass loading.
The single-axis sensor comprises an annular shear piezoceramic element in a hard-anodised aluminium housing.
The Type 8278A weighs only 700mg but is highly robust, and operates over a wide temperature range of -75C to +180C and can survive mechanical shocks of up to 10,000g.
The exceptionally low sensitivity to base strain errors from bending of the mounting surface ensures reliable and accurate response even when mounted on flexible structures and materials.
The 8278A provides a high frequency response of 10,000Hz (+/-5%) and 1.3pC/g sensitivity.
As a high-impedance accelerometer, its output range is easily scaled with external electronics while the integral ground isolation protects signal quality against degradation by electrical noise and ground loops.
For convenience of use, the 8278A is mounted with adhesive and supplied with its own wrench for safe removal.
The cable connector design ensures a reliable electrical connection that proof against shock and vibration and allows the cable to be replaced cost-effectively by Kistler.
Target applications include product testing and structural analysis in aviation and automotive fields.
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