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Damped, Low-Mass Accelerometer Reliably Tests Impact

The model 7264G accelerometer features a full bridge with two fixed resistors to facilitate shunt calibration. Sensing elements are housed within a rugged, lightweight aluminum for total weight of 1.4 grams. Model 7264G’s light damping enables the unit to attenuate resonance and minimize phase shift over the useful frequency range. Full scale output is 400 mV with 10 Vdc excitation. Units are available with less than 1% transverse sensitivity (“T” option) and less than ±25 mV zero measurand output (“Z” option). A micromachined monolithic sensor design improves ruggedness, stability, and reliability, with added damping capability. The sensor delivers shock resistance of up to 10,000 g in any direction, with a range of +2000 g full scale. With frequency response extending down to DC (steady state) and integral mechanical overrange stops, the accelerometer is ideal for any crash or shock application that requires measurement of long duration transients with minimal mass loading and broad frequency response. This includes non-automotive applications, such as in shipping container shock tracking, ejection seat, and jack hammer testing. Model 7264G meets SAEJ211 and SAEJ2570 specifications for instrumentation in vehicle impact testing. ENDEVCO CORP., San Juan Capistrano,CA. (949) 493-8181.


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