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Hermetically sealed triaxial accelerometer module

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The model 2480 accelerometer from ETLG Inertial Aerosystems is a hermetically sealed triaxial accelerometer module combining three low-noise, integrated model 1221L accelerometers with high-drive, low-impedance buffering for measuring acceleration in commercial/industrial environments. It is tailored for zero to medium-frequency instrumentation applications.

The rugged titanium case is sealed using a laser welding process and is easily mounted via two #4 (or M3) screws. On-board regulation is provided to minimise the effects of supply voltage variation. It is relatively insensitive to temperature changes and gradients. A model 2480-CAB cable, sold separately, connects via a miniature 4-pin screw-on connector. The cable’s shield is electrically connected to the titanium case while the ground (GND) wire is isolated from the case. An initial calibration sheet (2480-CAL) is included and periodic calibration checking is available.

The Model 2480 produces three differential analogue output voltage pairs, which vary with acceleration. The signal outputs are fully differential about a common mode voltage of approximately 2.5V. The output scale factor is independent from the supply voltage of +8 to +32V. At zero acceleration the output differential voltage is nominally 0V DC; at +/-full scale acceleration the output is +/-4V DC, respectively. Operating temperature is from -55degC to +125degC, and the unit is available in eight ranges from +/- 2g to +/- 400g.

Applications include Vibration Monitoring and Analysis, Machine Control, Modal Analysis, Robotics, Crash Testing, Instrumentation.

For full information about the model 2480 accelerometer contact ETLG at , or visit the website at www.inertial.co.uk.

03 September 2012

ETLG Inertial Aerosystemsvisit website
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