RION Sound Level Meters and Analysers




For fuller specification in pdf format please click here.		 NC-74 Class 1 Acoustic Calibrator
  • Class 1 Acoustic Calibrator.
  • Small, light, portable, reliable and practical.
  • For 1/2" and 1" microphones.
  • 1 kHz ± 2%.
  • 94 dB ± 0.3 dB.