• Sound Level Meter possesses the following features:

  1.This unit was designed according to following standards:

     a. International electrician committee standard: IEC PUB 651 TYPE2

     b. US national standard: ANSI S1.4 TYPE2

  2.Accuracy up to +/-1.5dB

  3.Measurement range is 30 to 130dB

  4.Fast/Slow Time weigting selection

  5.Automatic backlight

  6.The maximum value holding function

  7.Auto power off 10 minutes

  8.A/C Frequency weighting selection

  9.Both AC and PWM signal output are available

  10.Calendar function

  11.4700 data record function

  12.Connect with the PC through USB, provides data record downloading, 

       real-time data sampling analysis, and printing graph&data functions.

• Calibration sound source	94dB@1KHz
  Measurement range	30~130dBA、35~130dBC
  Accuracy	±1.5dB（reference sound pressure       standard，94dB@1KHz）
  Frequency response	31.5Hz~8.5KHz
  Resolution	0.1dB
  Measuring level	30 to 80 , 50 to 100, 60 to 110,      80 to 130, 30 to 130
  Dynamic range	50dB/100dB
  Overload indication	OVER / UNDER
  Frequency weighting characteristic	A and C
  Digital display	4 digits
  Analogy bar graph	1dB/1 bar graph
  Sampling rate	FAST:8times/second;SLOW:2times/second
  AC signal output	4Vrms/ full bar graph, output impedance      is about 600 ohm
  PWM signal output	Duty cycle =0.01X db value/3.3 x 100%
  Dyna mic cha racteristic	FAST(high speed)/SLOW(low speed)
  Calendar accuracy	±30seconds/day
  Data stor age quantity	4700
  The m aximum value holding	MAX
  Auto power off	10 minutes without operation
  Micro phone	1/2inch polarization capacitance microphone
  Power supply	6V (4PCS 1.5V Alkline battery)
  Dimension	70x35x256mm
  Weight	244G (Without battery)
  Battery life	20h continuous use(Alkaline batteries)

  
  
• Please refer to the manual for details
• Color box*1
  Host*1
  Instructions*1
  PP box*1
  Audio Line*1
  CD*1
  USB*1
  
• 
• 

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