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Digital Sound Level Meter RS232

Product code: 
AZ8922
Price: 
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Overview: 

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) and industrial related application.

AZ8922 Sound level Meter was being designed andmanufactured by AZ Instrument, a well experienced manufacturer for Environmental Measuring Instrument.

Features: 
  • Deluxe super large LCD display w/affordable price.
  • Meet IEC651, type2 class standard
  • Unique background noise absorber
  • Features w/digital display and analog bargraph
  • Professional and rigid design
  • Auto/Manual ranging, 6 measurement ranges in 10 steps
  • Max hold
  • Record max/min
  • Fast/slow response is selectable
  • A/C weighting is selectable
  • Easy to calibrate by standard calibrator
  • AC/DC analog output
  • Tripod mountable
  • Backlight function to use in dark area(8922 only)
Technical Specification: 



Model 8921 8922
Measure range A weight: 30dB-130dB
C weight: 35dB-130dB
Digital display(6 ranges) 30-80, 40-90, 50-100, 60-110, 70-120, 80-130dB
Digital display resolution 0.1dB
Digital updating time 160ms
Quasi-analog bar(6 ranges) 30-80, 40-90, 50-100, 60-110, 70-120, 80-130dB
Quasi-analog bar resolution 1dB
Bar updating time 40ms
Accuracy at 94dB, 1KHz +/-1.5dB
Analog output AC 0.707Vrms(at full scale) DC 10mV/Db
Microphone Dia.6 mm electric condenser microphone
Frequency range 31.5Hz-8KHz
Battery life time 30 hours typical
Windscreen YES
LCD size(mm) 42(H) x 62(W)
Operating temp. 0-50℃
Operating RH% Humidity<80%
Storage temp. -20-50℃
Storage RH% Humidity<90%
Dimension(mm) 77 x 254 x 37
Weight 200g
Battery   9V x 1pc
Standard Package Meter/Battery/Manual/carry case
Optional Accessory Computer connection sofeware kit