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  • 链接:
  • EAN<2724273277461>
  • 采购预算:<39>
  • 竞争强度:<3>
  • 评分: <4.1>
  • 评论数<4 reviews>
  • 热门度:<热,热,热,热>
  • 最后活跃度:<2018/01/04>
  • 品牌:
  • 品类:<3>
  • 热卖
  • 描述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 alkaline cells or DC 6V 100mA
    Microphone: 1/2" Electret Condenser microphone
    Item dimensions: 256 x 70 x 35mm
    Item weight: 238g

    Package including:
    1 * Sound Level Meter
    1 * Sponge Ball
    1 * Operation Manual
    1 * DC 6V Cable  
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