PCB Test & Measurement Seite 29

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For Additional Specification Information Visit www pcb com PCB PIEZOTRONICS INC 716 684 0001 Fax 716 685 3886 27 Structural Test ICP Accelerometers The Series 333 ICP accelerometers and their accessories have been specifically designed to address the needs of multi point modal and structural test measurement applications This equipment has been developed in conjunction with the world renowned University of Cincinnati Structural Dynamics Research Laboratory and proven in real world testing situations All accelerometers feature high output piezoceramic sensing elements for strong output signal levels when measuring lower amplitude input vibrations All reduce mass loading effects by employing ultra lightweight casing materials All exhibit minimal phase deviation an important consideration for mode shape analysis Each unit in this family includes TEDS functionality as an option A sensor incorporating a Transducer Electronic Data Sheet TEDS is a mixed mode analog digital sensor with a built in read write memory that contains information about the sensor and its use A TEDS sensor has an internal memory that includes information about the manufacturer specifications and calibration defined by IEEE standard 1451 4 effectively giving it the ability of plug and play self identification within a measurement system Using the same two wire design of traditional piezoelectric with internal charge amplifier transducers the TEDS sensor can flip between analog and digital modes functioning with either a typical analog output or with a digital bit stream output Although a TEDS sensor can be connected to any ICP sensor signal conditioner only a TEDS capable ICP signal conditioner and data acquisition equipment support the digital communication mode Mounting pads multi conductor signal cables and patch panels all help to control and organize the cable bundles of sensor arrays This helps to minimize set up time and potential errors that are often the result of cable tangles encountered during multi channel structural testing Applications Structural Vibration Testing Multi channel Modal Analysis Analytical Model Correlation Design Studies Force Response Simulation 2 T Mcatalog 2011 Seite 17 32 A4 F G500 21 04 11 09 07 Seite 27


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