Class 1 Sound Level Meter (with low-frequency sound measurement function) NL-63 Instruction Manual Operation Guide

11 Optional Programs

This device supports various optional programs.
Refer to the instruction manual of each optional program for how to use it.

Waveform recording program
NX-43WR
Enables users to record sounds while processing sound levels.
Octave∙1/3 Octave Real-time
Analysis Program
NX-63RT
Octave band∙1/3 octave band real-time analysis becomes possible.
FFT analysis program
NX-43FT
Enables FFT analysis.