B&K Type 4828 Exciter

B&K Type 4828 Exciter

Designed for demanding, experimental modal testing and delivering a force ratings up to 650 N (146 lbf) for Type 4827 and 1000 N (225 lbf) for Type 4828. These exciters enable high-precision, single- and multiple-point excitation of extra-large devices (such as locomotives, industrial turbines, heavy-duty pumps or aerospace assemblies).

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Description

The most powerful of our modal exciters, Types 4827 and 4828 offer precise and reliable operation in any modal testing scenario, including long-duration tests of outsized mechanical structures as well as applications with MISO and MISO configurations. Suitable for impulse, sine and random signals, they also have a wide frequency range (2 – 5000 Hz) and a peak-to-peak displacement of 50.8 mm (2 in).

USE SCENARIOS

  • General mechanical mobility measurements
  • Experimental modal analysis, including long-duration testing of mechanical structures
  • Single- and multiple-point excitation and response modal analysis applications, including SISO, MISO, SIMO and MIMO test configurations
  • Advanced structural dynamics investigations
  • Structural damage detection
  • Finite element model (FEM) or finite element analysis (FEA) correlation

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