Class 1 Sound Level Meter NL-53 / Class 2 Sound Level Meter NL-43
with Extended Function Program NX-43EX Instruction Manual Operation Guide

10 Measurement

When measuring with the device, all the measurement functions (Lp, Leq, LE, Lmax, Lmin, Lpeak, LN, Ltm5 and LIeq) of the device are performed at the same time. However, sub channels are measured only when sub channels are set to [On] in [Measure] on the [Menu] screen

Important

  • Format the SD card before measuring.

Note

  • Make sure to set the date and time before measuring. Finish connecting with peripheral devices and calibration.