1. Sound Level Meter
      2. model no. : SL-4033SD


      3. Desc. :

      4. LUTRON



      5. Application :

      6. To measure sound volume in dB, suitable for environmental monitoring, experiment, etc.



      7. Feature :

      8. Meet IEC 61672 class 1, easy to use, compact, data logger function with storage in SD card



  • Comply to standard: Frequency & time weightings meet IEC 61672 class 1
    Measuring range: 30 ~ 130 dB
    Resolution: 0.1 dB
    Accuracy:

    31.5 Hz : ±2.0 dB; 63 Hz : ±1.5 dB; 125 Hz : ±1.5 dB;

    250 Hz : ±1.4 dB; 500 Hz : ±1.4 dB; 1000 Hz : ±1.1 dB;

    2000 Hz : ±1.6 dB; 4000 Hz : ±1.6 dB; 8000 Hz : +2.1 -3.1 dB;

    12500 Hz : +3.0, -6.0 dB; 16000 Hz : +3.5 -17.0 dB;

    (under 94 dB input signal)
    Measuring function:

    Frequency weighting : A / C; Time weighting : fast / slow;

    Minimum; Maximum; Hold
    Frequency response: 31.5 ~ 16000 Hz
    Data memory: Stored in 4 GB SD card with data logger function
    Power source: 6 AA batteries
    Dimensions: 245 x 68 x 45 mm
    Weight: 489 g