Sound Level Meter and 1/3 Real-Time Analyzer


Rion’s priorities for on-site measurements are speed, ease of use, quality and reliability. The New NA-28 is the top of the Rion range of sound level meters and analysers. It combines cutting edge technology with excellent quality and unrivalled ease of use.

Key Features Include:

  • Ease of use – main functions on dedicated, backlit keys
  • Superb high-contrast backlit TFT-LCD colour display
  • Simultaneous measurement and display of 1/1 and 1/3 octaves
  • One keystroke to switch between sound level meter and analyser display
  • Massive storage capacity using text files stored to Compact Flash memory cards
  • Flexible and simple PC connectivity (CF card and USB Virtual Disk)
  • Exceptional battery life using standard alkaline batteries

Optional Program Cards


Makes it possible to measure sound pressure levels together with sound pressure waveforms during frequency analysis. This allows you to listen to specific events. You can also reanalyse recorded sound.


This program card adds FFT analysis capability to NA-28, with an analysis frequency range of 20kHz and 8000 analysis lines.


This program card is used for simple and easy measurement of airborne and floor impact sound insulation of buildings and reverberation time. Data is stored as text files. When used in conjunction with waveform recording card NX-28WR, sound waveforms during measurement can be recorded simultaneously.


Types Of Sound Products - Analyzer

  • NA-28