1-axis accelerometer 2255B
piezoelectriccrystalwith built-in electronics

1-axis accelerometer
1-axis accelerometer
1-axis accelerometer
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Number of axes
piezoelectric, crystal
Other characteristics
with built-in electronics, miniature, voltage output
Acceleration range

490,500 m/s²
(1,609,252 ft/s²)


15,000 Hz


Key features • Low impedance output • Far-field, high-g shock • Built-in electronic LP filter • Strain isolated • Solder terminals Description The Endevco® model 2255B is a miniature, lightweight piezoelectric accelerometer with integral electronics, designed specifically for far-field high-g shock measurement on structures and test articles. The unit features an electronic second order low-pass filter between the sensor and the amplifier input stage to prevent saturation due to accelerometer resonance. The model 2255B features Endevco’s Piezite® crystal element, operating in annular shear mode, which exhibits excellent output stability over time. A unique strain isolation design internal to the sensor assembly reduces any strain input due to bending motion in the mounting surface. This accelerometer incorporates an internal hybrid signal conditioner in a two-wire system, which transmits its low impedance voltage output through the same cable that supplies the required constant current power. Both the output and signal ground terminals are electrically isolated from the mounting surface. The accelerometer features an integral 1/4-28 mounting stud and two solder-pin terminals for output connection. Small gauge, light weight hook-up wires are provided for error-free operation. The Model number suffix indicates acceleration sensitivity in mV/g; i.e., 2255B-01 features output sensitivity of 0.1 mV/g.


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