Benetech GM1357 30 ~ 130 dB Decibel USB Sound Noise Measurement Digital Sound Level Meter

  • ₱6,800.00


Features:

  • Designed according to following standards: International Electrician Committee Standard: IEC 651 TYPE 2 & ANSI 1.4 TYPE 2.
  • Wild Measurement Range: 30-130dB.
  • Accuracy: up to ± 1.5dB.
  • Windscreen for Filter-out Unwanted Signals.
  • With 2 equivalent weighted sound pressure levels A and C. AC &
  • DC analogy signal output are available connecting to frequency analyzer level recorder, FFT analyzer and graphic record.
  • A frequence weighting for general sound level measurements.
  • C frequence weighting for checking the low-frequency content of sounds.
  • Large LCD screen with digits reading.
  • Fast and Slow dynamic characteristic modes.
  • Fast rate to pick up the current reading.
  • Slow rate to pick up the reading of average within 1 second.
  • Maximum value holding function to lock up the maximum reading.
  • Equipped with sponge ball.
  • Auto power off design for energy saving.
  • Portable, easy to use and handy instrument for sound quality control in factory, office, home, school and construction site. 

Specifications:
  • Accuracy: 1.5dB (under reference conditions)
  • Measuring Level: 30-130dB (A)/35-130dB (C)
  • Frequency Range: 31.5Hz to 8.5KHz
  • Linearity Range: 50dB/100dB
  • Digital Display: 5 digits
  • Resolution: 0.1dB
  • Bar Graph: 50 dB
  • Scale at 1 dB step for monitoring current sound pressure level display
  • Overload Indication: OVER/UNDER
  • Frequency Weighting: A and C
  • Level Ranges: 30-80dB, 50-100dB, 60-110dB, 80-130dB
  • Self Calibration Time: 3sec
  • Sampling Rate: 20 times/seconds
  • AC Signal Output: 0.707Vrms/ full bar graph, output impedance is about 600ohm
  • DC Signal Output: 10mV/dB,output impedance is about 100ohm
  • Dynamic Characteristic: FAST (high speed)/SLOW (low speed)
  • Power Supply: 4x AA 1.5V battery or DC 6V 100mA (not include)
  • Microphone: 1/2" Electrinic Condenser microphone
  • Item dimensions: 256 x 70 x 35mm
  • Item weight: 238g

 

Package Including:
  • 1 * Sound Level Meter
  • 1 * Sponge Ball
  • 1 * Operation Manual

BATTERY NOT INCLUDED

 

 

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