Option: NC/RC Ratings Mode
Room Acoustics and HVAC Assessment can be added to the SoundExpert Series 721 or 821 instrument.
Compatible Instrument: SoundExpertKey Product Features
Product Option: LD-X21-NCRC
Level vs Time Display
1/1 Octave View - Required OB3 Option
Noise Criterion (NC)
Noise Rating (NR)
HVAC Assessment
Room Acoustics
Z Frequency Weighting
ANSI/ASA S12.2-2019
Room Acoustics Made Visible
Z-weighting is recommended unless there is a specific need for other weightings. If third octaves are configured, the meter will automatically convert to whole octaves for the NC and RC calculations.
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G4 Utility & Reporting Software
Output your results, change settings and generate reports instantly from your PC using the G4 Utility software.
G4 Utility & Reporting Software
Control Your Meter Via Our App
Take full control of your device from a safe distance. Our Atlas App ensures you can remain away from the loud noise, but still control the measurement.
LD Atlas™ – Mobile App
What is Room Acoustics?
Room acoustics refers to how sound behaves within an enclosed space. It involves analyzing how sound waves reflect, absorb, diffuse, and transmit within a room. The primary focus is to assess how sound interacts with surfaces (walls, ceilings, floors) and objects in the space to ensure optimal auditory experiences, reduce noise, and prevent echo or reverberation.
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