APPLICATION
- 
Evaluation of environmental noise
 - 
Measurements of noise at workplaces
 - 
Assessment of product noise
 
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  Display Refresh Rate 
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  One time per second 
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  Major Applicable Standards 
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  IEC 61672-1:2002 Class1 
 IEC60651:1979 TYPE 1 
 IEC60804:2000 TYPE 1 
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  Microphone 
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  High sensitivity, 
½”pre-polarized capacitor microphone 50 mV/Pa  | 
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  Measurement Items 
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  Lxyp,Lxmax,Lxmin,Lxeq,LAE,Lcpeak 
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  Measurement Range 
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  30dB ~ 130dB (A) 
 35dB ~ 130dB (C) 
 40dB ~ 130dB (Z 
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  Dynamic range 
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  60 dB 
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  Measurement shift 
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  30dB ~ 90dB (L) 
 50dB ~ 110dB (M) 
 70dB ~ 130dB (H) 
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  Integrate Time Setup 
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  Manual, 10s, 1m, 5m, 10m , 30m, 
1h, 8h, 16h, 24h  | 
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  Micro SD Card 
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  The max support capacity of 
micro SD card is 32GB; 37,000 data about story space 300KB  | 
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  Peak value 
measurement range  | 
  70~133 dBC 
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  Time Weighting 
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  Fast, Slow, Impulse, Peak 
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  Frequency Weighting 
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  A/C/Z 
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  Frequency Range 
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  20Hz~16KHz 
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  DC Output 
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  10mV/1dB 
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  AC Output 
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  1Vrms(±10%)/130dB each range 
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  Starting Time 
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  <10 Second 
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  Thermal noise 
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  ≦28dBA 
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