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Rion NL52EX Type 1 Sound Level Meter, including the Octave and 1/3 Octave measuement option NX42RT. This meter can be used to check NC levels for compliance checking. The instrument includes a NATA calibrated calibrator. All data is save to an SD card.
The ARL NGARA is a Class 1 environmental noise logger designed for unattended monitoring that offers full measurement flexibility. It can..
nx42rt octave analyzer,
sound level meter