CENTER 320 Sound Level Meter.มิเตอร์วัดระดับความดังของเสียง.Sound Level Meter
    Our standard sound level meter CENTER 320 has a wide dynamic range from 30 to 130 dB. It has different frequency weighting A and C to respond to human sense or machine monitoring purposes. For different sound pattern, it also supplies Fast and Slow time constant setting. Analog output is also provided for other use.
Features:

    *4 Digits Display.
    *MAX/MIN Function.
    *Level Range Display.
    *Resolution 0.1dB.
    *AC/DC Signal Output.
    *IEC 651 TYPE II.
           
Specifications:

    Level Range: Lo=30~80dB ; Med=50~100dB ; Hi=80~130dB
    Accuracy: ?1.5dB (ref 94dB@1KHz)
    Frequency Weighting: A / C
    Time Weighting: Fast, Slow
    Dynamic Range: 50dB
    Frequency Range: 31.5Hz to 8KHz
    Microphone: Electret condenser microphone
    Auxiliary Outputs: AC/DC Output
    Battery: 9V battery
    Dimensions: 275x64x30 mm
    Weight: Approx.280g

Standard Accessories:

    Battery, Operation Manual, Carrying Case, Calibration Screwdriver, Windscreen, 3.5? plug.
ติดต่อ 02-1991147-8
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