Sound Level Meter, also been called as Noise Meter, Noise
Level Meter or Decibel Meter, it’s the device that usually being used
foracoustic (sound that travels through air) measurements, which had been
widely used in the HVAC (Heating, Ventilation and Air Conditioning) or other
industrial related application.
AZ8925 Sound level Meter was being designed and manufactured
by AZ Instrument, a well experienced manufacturer for Environmental Measuring