RION Sound Level Meters and Analysers




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NA-28 Class 1 Integrating Sound Level Meter & Real Time Octave/Third Octave Analyser
  • Measures and logs Leq, Lmin, Lmin, SEL + 5 Lns in octaves and/or third octaves
  • Expandable functionality using program cards
  • Large back-lit LCD display
  • Simultaneous measurement of octaves and third octaves
  • Massive storage potential of real time octave and third octave band spectra, onto a compact flash card
  • Stored data saved as text files which can read directly by spreadsheet programs
  • Exceptional battery life using standard alkaline batteries (4 C Cell batteries allow 14 hours continuous use)
  • All main functions on dedicated back-lit keys
  • Sub-channel for simultaneous measurement of two time/frequency weightings
  • Portable and lightweight
  • Outdoor kit available.