Endevco Celebrates 6,000th Successful Field Installation of Model 2221F Thru Bolt Mounted High Tempe

Endevco Celebrates 6,000th Successful Field Installation of Model 2221F Thru Bolt Mounted High Temperature Piezoelectric Accelerometer

Home > Sensors > Endevco Celebrates 6,000th Successful Field Installation of Model 2221F Thru Bolt Mounted High Temperature Piezoelectric Accelerometer

29th September 2009

Source: Endevco

Endevco Celebrates 6,000th Successful Field Installation of Model 2221F Thru Bolt Mounted High Temperature Piezoelectric Accelerometer

Endevco Corporation has marked the 6,000th successful field installation of its industry best-selling Model 2221F, a high impedance, piezoelectric accelerometer, designed for high temperature shock and vibration measurements. The exceptional, proven performance characteristics of Model 2221F have enabled it to be used historically across a variety of aerospace, flight test, and other demanding applications, most notably, as part of NASA’s Space Shuttle Return to Flight Program, as well as within the shuttle programs of today. Model 2221F is used to help verify that no detrimental damage has occurred on the leading edge of the shuttle wing, prior to its return from orbit.

Model 2221F offers unique thru-bolt (thru-hole) mounting capabilities, which allow for 360° cable orientation, and reliable operation in temperatures of up to +500°F (+260°C), in frequencies of up to 10,000 Hz. The sensor features Endevco’s Piezite® -type P-8 crystal element, operating in annular shear, and exhibiting excellent output sensitivity stability over time. Signal ground is connected to the outer case of the unit and, when used with an isolated mounting screw, the accelerometer is electrically isolated from ground. Units are housed in a rugged, stainless steel, hermetically sealed case, making them ideal for use in extreme environmental conditions.

The sensor’s lightweight (11 gm) construction effectively minimizes mass loading, allowing it to be successfully used in the testing of small structures and objects. Model 2221F is also a self-generating device, with no external power requirements. Adhesive mounting is also available as the application permits. A low-noise coaxial cable is supplied for error-free operation.

Like this Article? Register to receive updates here