DESCRIPTION
The Bruel & Kjaer 7291 provides quick, simple field calibration of all kinds of vibration measuring systems. Acceleration, velocity and displacement calibration. Easy calibration of accelerometer charge and voltage sensitivity. Back-to-back calibration of vibration transducers for increased accuracy. Insert calibration of accelerometers and Reciprocity Calibration.

Features:

• Internal batteries for portable self-contained operation
• Stable mechanical isolated vibration reference system
• Built-in velocity coil and suppressed-zero meter for precise, easy adjustment to reference vibration level
• ± 2 % acceleration accuracy
• Reference level
  10.0 ms-2 acceleration
  20.0 mms-1 velocity
  40.0 µm displacement
  
• Internal generator for 79.6 Hz = 500 rad s-1
• Operates of 50 Hz to 2 kHz with external generator

Refurbished

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  Mechanical/Physical Test Equip

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