Meggitt Sensing Systems' Endevco model 7287 is a low mass piezoresistive
accelerometer weighing less than one gram. Designed for the cost-effective
measurement of long duration transient shocks, such as those found in product
and packaging drop testing, shipping container shock testing, jack hammer testing
and high-g destructive testing applications.
With a measurement range of 2,000 g, 200 mV
full scale output and a high resonance frequency of more than 20,000 Hz, the
Endevco model 7287 utilizes a MEMS sensing element incorporating integral
mechanical stops and features a small, lightweight, easy-to-mount package for
minimal mass loading of the test structure. This monolithic sensor design
offers ruggedness, stability and reliability with broad frequency response from
dc to 4,000 Hz at ¬Ī5 percent, with non-linearity of <1 percent and
ruggedness to 10,000 g shock. The Endevco model 7287 has also minimum damping,
thereby producing no phase shift over the useful frequency range.
The design of the Endevco model 7287 has
drawn upon decades of proven experience in manufacturing these types of sensors
for the automotive crash test market, with successful technology that has now
been carried over into the general test and measurement realm. As a result, the
model 7287 ensures critical data is recorded upon demand at very low cost.
Units are available with adhesive mounting or integral bracket for screw
mounting and are supplied with a strong PVC jacketed cable in standard lengths.
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