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Meggitt Sensing Systems Releases Endevco Accelerometers

High-G shock accelerometers have integral electronics.

High-G shock accelerometers have integral electronics.

By DE Editors

Meggitt Sensing Systems has launched the Endevco model 7255A miniature piezoelectric accelerometer with integral electronics.

Endevco model 7255A incorporates a built-in mechanical filter that blocks high-frequency energy associated with near-field high shock,  and protects the sensing element from overstress. An internal electronic filter helps prevent saturation. The sensor features a two-wire system with integrated hybrid signal conditioner, which transmits a low-impedance voltage output through the same cable that supplies required constant current power. Signal ground is connected to the inner case of the unit, acting as a shield.

Both output and signal ground terminals are electrically isolated from the mounting surface. For lower level shock measurements, a high output version is available. Both versions include internal sensor assembly strain isolation, which the company says reduces strain input due to bending motion on the mounting surface, often found in high shock events. 

Two small gauge, lightweight hook-up wires are included for use with the two solder-pin terminal interface.

For more information, visit Meggitt Sensing Systems’ Endevco site.

Sources: Press materials received from the company and additional information gleaned from the company’s website.

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DE Editors

DE’s editors contribute news and new product announcements to Digital Engineering.
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