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Kanomax 4120 Digital Sound Level Meter

Kanomax 4120 Digital Sound Level Meter

Item #
4120
Brand
Kanomax
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Discontinued


    4120 Digital Sound Level Meter by Kanomax

    Features:

    • Lightweight and compact design.
    • A, C, and Z weighting modes.
    • Utilizes a 30 to 130 dB measurement range.
    • Equipped with RS232C terminal.
    • Measures Lq, Leq, LCpeak, Lmax.
    • Meets IEC 651/804 Type 2 Standards.
    • Fast and Slow selectable response time.
    • Comes complete with wind shield and carrying case.

    Pattern Approval No.SLS041
    Applicable standards Measurement Law Common Sound Level Meter
    IEC 606651:1979 60804:2000 TYPE II
    IEC/CDV 61672-1 CLASS2
    Measuring function Instantaneous value : Lq
    Equivalent noise level : Leq, Lmax, Lc peak
    Measuring time : 10 sec, 1, 5, 10, 15, and 30 min, 1, 8, 12, and 24 hrs
    Manual Max. measuring time: 199 hrs 59 min 59 sec
    Measuring level A-weighting 30 - 130dB, C-weighting 36 - 130dB, Z- weighting 40 - 130dB
    Self-noise level A-weighting 22dB or less, C-weighting 30dB or less, Z-weighting 32dB or less
    Linearity range 75 dB or more
    Range 60 - 130dB, 30 - 100dB
    Frequency range 20 - 8000Hz
    Microphone 7052NB 1/2” electret condenser Microphone
    Frequency correction circuit A-weighting, C-weighting, and Z-weighting
    Effective value detecting circuit Genuine effective detecting circuit (digital computing method)
    Dynamic characteristics Fast (125ms), Slow (1s)
    Sampling cycle 41kHz (24uS)
    Computing Digital form
    Built-in memory Stores instantaneous values or computed values in memory
    Data capacity 4kB
    Display LCD with backlight, Numerical value: 4-digit display, Display cycle: 1 sec, Bar display Display cycle: 0.1 sec, Warning Over : Overload signal (displayed when the value exceeds a range), Under: Under-load signal, displayed when the value falls under a range, Battery voltage: 4-level residual display
    Output AC output: AC/DC OUT connector, Output voltage: Approx.1Vrms (FS), Output resistance: Approx.600Ω, Load resistance: 100kΩ or more, DC output: AC/DC OUT connector, Output voltage: Approx.2.5V (FS), 0.25V/10dB, Output resistance: Approx.600Ω, Load resistance: 100kΩ or more
    I/O terminal Sound level meter control and data output by computer (direct output to printer),
    Interface: RS-232C (asynchronous), Data length: 8 bit, Stop bit: 2 bits, Parity: None,
    Transmission speed: 4800, 9600, 19200
    Power supply 2 AAA batteries or AC adapter, Battery life: approx. 7 hrs (alkaline AAA batteries)
    Opening temperature range -10-50°C, 30%-90%RH (no condensation)
    Size and Weight 6.6” x 1.9” x 0.9” (168×48×23.5mm), Approx. 4.4oz (125g) (w/ batteries)


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