Testing Wide Range Of Applications

Meggitt’s Endevco triaxial Isotron accelerometer for aerospace and industrial testing

Posted on August 26, 2013

Meggitt Sensing Systems, a Meggitt group division that specializes in sensing and monitoring systems for extreme environments, has launched the Endevco model 7253D triaxial Isotron accelerometer, designed for applications requiring the measurement of shock and vibration simultaneously in three mutually perpendicular axes.

Available in sensitivities of 10 mV/g or 100 mV/g, the Endevco model 7253D is small and lightweight with a broad frequency response. Features include thru-hole mounting for 360o cable orientation, hermetically sealed titanium housing to protect against environmental contamination, and signal ground isolated from the mounting surface by a hard anodized insulator. Dimensions are low-profile at 1.78 cm x 1.78 cm x 0.95 cm, with a weight of <10 grams and operating temperature range of -55oC to 125oC.

Each axis utilizes an Endevco type P-8 shear piezoelectric sensing element in conjunction with a hybrid charge amplifier to provide a low-impedance output of 5V full scale in a two-wire IEPE system configuration. A constant current excitation of 2 to 20 mA is required for each axis, with the electrical connection made to each axis through a 4-pin connector, the company said.

Accessories included with the Endevco model 7253D include the 3027AM3-120 cable, 42883 mounting screw assembly and EHM488 wrench. Optional accessories include the models 123, 133, 2775B or 2793 signal conditioner.