Shenzhen Laesent Technology Co., Ltd.

Sound Level Meter Decibel Meter AZ-8921/8922

Sound Level Meter Decibel Meter AZ-8921/8922
Product Detailed

Decibel Meter AZ-8921/8922
1).30-130dB.Backlight(AZ-8922),
2).RS-232 for Option
3).Meets IEC 651, Type 2 Class

 

 

Sound Level Meter Digital Sound MeterDecibel Meter AZ-8921/8922

 

DIGITAL DISPLAY WITH ANALOG GRAPH! BACKGROUND NOISE ABSORBER ! MAX / MIN RECORD, MAX HOLD ! RS232 INTERFACE ! MEETS IEC 651, TYPE 2 CLASS !


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.) respone 3 times.
 Record Max / Min. & Maximum Hold function.
 A / C Weighting selectionable.
 Microphone : 6mm(Dia.)electric condenser type.
 Backlight for use in dark areas (Model 8922).
 Low battery indicator.
 Optional RS232 software (Disk & PC cable).
 Serial formt: 2400Baud rate, 1 Stop bit, 8 Data bits. N: xxx, xdB
 Monitor the sound levels from traffic noise, alarm systems and workplace machinery,
 Multi-Freguency calibration to ensure quality stable.


SPECIFICATION
 Auto range :30-130dB.
 Big LCD :42x64mm.
 Measurement level range :
 6 ranges in 10-dB steps:30-80dB, 40-90dB, 50-100dB, 60-110dB, 70-120dB, 80-130dB.
 Accuracy :±1.5dB ( under reference condition )
 Digital display :3-1/2 dight LCD, 0.1dB resolution updated 0.5seconds.
 Analog output :AC:0.707vrms( at full scale )
DC:10mV/ dB
 Measurement frequency range : 31.5Hz-8KHz.
 Measurement level A weighting :30dB~130dB.
 Measurement level C weighting :35dB~130dB.
 Operation temperature :0~50,10~90%RH
 Storage temperature :-20~60
 Meter includes hard ABS case, battery, manual.
 Battery life :20 hours typical (9V)
 Dimensions (meter WxHxT) :



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