Sell Test Equipment

4370 Bruel & Kjaer Vibration and Sound

Used
The 4370 is vibration and sound equipment from Bruel & Kjaer.

Additional Features:

  • Frequency  0.1 - 4800 Hz
  • Temperature  -74 - 250 ºC (-101.2 - 482.0 °F)
  • Weight  54 gram
  • Sensitivity  100  pC/g
  • Residual Noise Level in Spec Freq Range (RMS) ±  0.02 mg
  • Maximum Operational Level (peak)  2000 g
  • Electrical Connector  10-32 UNF
  • Mounting  Stud
  • Accessory Included  AO 0038
  • Clip/Stud/Screw included  YQ 2960
  • Output  Charge-PE
  • Unigain  Yes
  • Triaxial  No 
  • TEDS  No 
  • Resonance Frequency  16 kHz
  • Maximum Shock Level (± peak)  2000 g
  • General purpose
  • High sensitivity
  • Low-level, low-frequency measurements
     

This piezoelectric accelerometer may be treated as a charge source. Its sensitivity is expressed in terms of charge per unit acceleration (pC/g).

The DeltaShear design involves three piezoelectric elements and three masses arranged in a triangular configuration around a triangular centre post. The ring prestresses the piezoelectric elements to give a high degree of linearity. The charge is collected between the housing and the clamping ring. The piezoelectric element used is a PZ 23 lead zirconate titanate element. The housing material is stainless steel.

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