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Precision sound calibrator Larson Davis CAL250

Model: CAL250

Precision sound calibrator Larson Davis CAL250 is a battery operated precision microphone calibrator for 1" microphones used for the calibration of sound level meters and other sound measurement equipment.

  • Output level: 114 dB
  • Output frequency: 251.2 Hz
  • Standard: 1" microphone
  • IEC 60942-1:2003 compliant
  • Internal battery
  • Output level independent of battery condition
  • Adaptors: ¹⁄8", 1/4", 3⁄8", 1/2" microphones
  • Array adaptor for 8 microphones simultaneously.