Mecord Systems & Services Pvt Ltd

Other Details

NA-28 is a compact and lightweight real time Noise Analyzer which comes with 1/1 and 1/3 Octave Band analysis function built into the unit.

The NA-28 has a wide range of measurement from 10 Hz to 20 kHz. A colour screen display allows for easy and quick review of data.

One key press to switch between Sound Level Meter and Noise Analyzer modes

Key Features

    Real Time Octaves (16hz to 16kHz) or 1/3 Octaves (12.5 Hz to 20 kHz)
    Real Time simultaneous Octaves (16 Hz to 8 kHz) and 1/3 Octaves (12.5 Hz to 12.5 kHz)
    Data stored as text files direct to CF Card
    Measures and Logs Leq, Lmax, Lmin and 5 Percentile Values in octaves and/or 1/3 octaves
    Auto stores 300000 data sets or 1000 hours of 1 second 1/3 octaves to internal memory
    Manual storage for 1000 data sets internally or 100000 data sets to 2 GC CF Card
    Linearity 110 dB in Sound Level Meter Mode and 95 dB in Analyzer Mode
    16 Hours battery Life with 4 Alkaline Cells
    Main and Sub-Channel for simultaneous selection of 2 time or frecuency weightings F(Fast), S(Slow), 10 ms Time Weightings plus Peak & Impulse on Sub-Channel
    Data Transfer using CF Card or USB
    Measurement can be started by internal or external Trigger
    Comparator output to trigger external devices
    AC and DC outputs of main and/or sub-channel
    Expandable Functionality using programme cards

Using optional programmes can be used for FFT analysis and Building Acoustics Analysis.