PCB Test & Measurement Seite 5

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For Additional Specification Information Visit www pcb com PCB PIEZOTRONICS INC 716 684 0001 Fax 716 685 3886 3 General Purpose Piezoelectric Accelerometers Applications Product Qualification Studies Vibration Control Impulse Response Measurements Quality Assurance End of Line Testing Machinery Studies Piezoelectric accelerometers offer tremendous versatility for shock and vibration measurements These rugged sensors can withstand adverse environmental conditions A wide variety of configurations are available to support multiple application requirements Specialty units are also available through mechanical or electrical design adjustments or additional qualification testing There are two broad categories for piezoelectric accelerometers those that contain built in signal conditioning electronics ICP type and those that do not Charge Output type Generally ICP accelerometers are preferred due to ease of use and lower system cost Charge Output accelerometers are used for high temperature environments which would otherwise destroy the electrical components contained in an ICP type Triaxial accelerometers offer simultaneous measurements in three orthogonal directions permitting the entire vibration being experienced by a structure to be analyzed Each unit incorporates three separate sensing elements that are oriented at right angles with respect to each other Multi pin electrical connectors individual cable leads or multiple coaxial connectors provide the signal outputs for the x y and z axis acceleration The use of triaxial accelerometers has gained popularity since the desire for in depth structural vibration analysis has increased and multi channel data acquisition costs have declined These devices are vital tools for structural analysis testing requirements Ph ot o C ou rte sy o f C le m so n U ni ve rs ity 1 T Mcatalog 2011 S 1 16 SYN F G500 21 04 11 17 54 Seite 3


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