• 1. A/C Frequency weighting selection
  2. Fast/Slow Time weigting selection
  3. Three-color light alarm
  4. Maximum/Minimum
  5. Data HOLD
  6. Data storage: 43,000 data record function
  7. Data Read and Delete
  8. Automatic shutdown time can be set, and automatic shutdown when battery runs out
  9. Display date and time
  10. Line chart: Visual display of noise data changes 
  11. USB charging and PC communication: Connect with the PC through USB, provides data record download, real-time data sampling analysis, and printing graph&data functions.
  12. This Sound Level Meter was designed according to following standards:
    a. International electrician committee standard:IEC PUB 651 TYPE2
    b. US national standard: ANSI S1.4 TYPE2
  

• Calibration sound source	94dB@1KHz
  Measurement range	30~130 dB(A), 35~130dB(C)
  Accuracy	±1.5dB(Reference sound pressure standard,94dB@1KHz)
  Resolution	0.1dB
  Frequency weighting	A/C
  Frequency response	31.5Hz~8500Hz
  Time weighting	FAST/SLOW
  Sampling rate	FAST: 8 times/second SLOW: 1 times/second
  Rated current	70mA
  Standby current	5uA
  Power supply	3.7V lithium battery /1000mAh
  Charging time	1.5h
  Duration of service	8h
  Data storage	43,000
  Microphone	1/2-inch polarization capacitance microphone
  Operating temperature	0~50℃
  Operating humidity	10~80%RH
  Dimension	160*56*31mm(Excluding sponge ball)
  Weight	Approx 120g(Excluding sponge ball)

  
  
• Please refer to the manual for details
• Color box*1
  Host*1
  Instructions*1
  USB*1
• 
• 

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