RION Sound Level Meters and Analysers




For fuller specification in pdf format please click here.		 NC-72 Class 0L Pistonphone
  • Class 0L Pistonphone.
  • Laboratory-standard Calibrator.
  • For 1/4", 1/2" and 1" microphones.
  • 250 Hz ±1%.
  • 114 dB ± 0.2%.