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A605, No.5 Bldg, BaiziYuan, Chaoyang, Beijing, 100124, China.

 
       
       
       
       
   

 

 

 

AZ-8921 / 8922 Sound Level Meter (RS232)

Feature

  • Meets IEC 651; ANSI S1.4, type2 standard
  • Quasi-Analog bar indicator: 1dB display steps, 50dB display range, updated every 50ms
  • Measurement level range features 6 ranges
  • Background noise absorber mode filters ambient sounds
  • Fast (125 msec.) or Slow (1 sec.) response 3 times
  • Record Max / Min. & Maximum Hold function
  • A / C Weighting selectable
  • Microphone: 6mm (Dia.) electric condenser type
  • Backlight for use in dark areas (Model 8922)
  • Low battery indicator
  • Optional RS232 software (Disk & PC cable)
  • Serial format: 2400Baud rate, 1 Stop bit, 8 Data bits. N: xxx, xdB
  • Monitor the sound levels from traffic noise, alarm systems and workplace machinery
  • Multi-Frequency calibration to ensure quality stable

Specification

 

Auto range  30-130 dB Measurement level A weighting  30dB~130dB
Big LCD  42 x 64 mm Measurement level C weighting  35dB~130dB
Measurement level range  6 ranges in 10-dB steps: 30-80dB,  40-90dB,  50-100dB,  60-110dB,  70-120dB,  80-130dB Operation temperature  0~50, 10~90%RH
Accuracy  ±1.5dB ( under reference condition )  Storage temperature  -20~60°C
Digital display  3-1/2 dight LCD,  0.1dB resolution updated 0.5seconds Battery life  20 hours typical (9V)
Analog output  AC: 0.707vrms ( at full scale ) Dimensions (meter W x H x T)  80 x 256 x 38mm
DC: 10mV/ dB  Meter includes hard ABS case,  battery,  manual
Measurement frequency range 31.5Hz-8KHz

 

 
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Copyright © 2003 Far Asia Co., Ltd (China) 
Last modified: 11/20/14