Aihua Instruments
Aihua Instruments
ASV5910+-3 Noise Dosimeter
ASV5910+-3 Noise Dosimeter ASV5910+-3 Noise Dosimeter ASV5910+-3 Noise Dosimeter ASV5910+-3 Noise Dosimeter
ASV5910+-3 Noise Dosimeter
Model ASV 5910+ noise dosimeter is used for personal noise exposure measurements around the workpalce. With attactive design, the ASV 5910+ is mini-sized and easy to cooperate.
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Key Features


   ■  Attractive design, mini-sized and  weighs only  85g

    ■  Modular design, cable-free and dual channels

    ■  Comply with IEC61672, IEC61252 and ANSI S1.25

    ■  Rechargeable lithium polymer battery

    ■  Software package, downloads to PC

    ■  Variety mounting methods

Product Uses


    ■   Precision noise measurement

    ■   Sound level logging and precision recording 

    ■   Personal noise exposure measurement in the workplace 

    ■   Occupational noise evaluation

Technical Specifications
    Model: ASV5910+-3 Noise Dosimeter

    Applied Standards:


    IEC 61252:2002 Personal Sound Exposure Meters,

    IEC61672-2002,Class 2;

    ANSI S1.25:1991 Personal Noise Dosimeters


    1/4 inch prepolarized condenser field replaceable threaded microphone 


    Dual channels

    Measurement Range:



    Peak C Measuring Range:   

    70 to 143dB

    Frequency Range:                

    20Hz to 12.5kHz

    Frequency Weightings:        

    Parallel (simultaneous) A, C, Z for each channel

    Time Weightings:                

    Parallel (simultaneous) F, S, I, Peak for each channel

    Selectable thresholds :         

    40 to 90dB

    Exchange rates:                   

    3, 4, 5 and 6   

    Selectable criterion:             

    70 to 90dB

    Dose exposure measurement range:

    0.01Pa²h ~ 99.99Pa²h

    Noise dose measuring range:

    0% ~ 9999%

    Integrating time

    1 second ~ 24 hours

    Memory capacity:                

    32GB TF card

    Data logging  interval:

    -  Linst: 0.02 s ~ 6.00 s available;

     -  Leq, t: 0.2 s ~ 60.0 s available;

     -  Li & Leq: 0.2 s ~ 60.0 s available;

    Calibration information:      

    Calibration dates, times, and levels

    Internal software function:  

    Integrating Function,  Statistical Analysis Function


    Lock via keys

    Power supply:                       

    Rechargeable lithium polymer battery  

    Battery life:                          

    Over 36 hours run capacity





    Working Temperature:        



    128×64 LCD


    Mini USB port

    Measure Parameters:


    LXYp,  LXeq,T,  LXYmax,  LXYmin,  LN (Note:  X is A, C, Z; Y is F, S, I; N can be 1-99)

    SEL,  Lex,8h,  Lavg, TWA,  DOSE,  E,  SD,  LXpeak

    Precision recording function: 



    High sample frequency, high accuracy. big capacity files for further analysis.


    Low sample frequency, low capacity files only for monitoring

    Trigger mode:

    It records for a specified time at the same time as the integral measurement or after the overrun start. The recording time is 10 s to 90 s When set to overrun start;

    Maximum recording time:

    Approx. 66 h at 32 kHz/32 bit (up to 2 h for a single file), up to 1000 h at 8 kHz/8 bit (up to 2 h for a single file).

    Real-time 1/1 Octave analysis

    Filter type: Parallel (real time) octave, G = 10 3/10;

    Standard compliant: IEC 61260: 2014 Class 2;

    Centre frequency of the filter: 31.5 Hz, 63 Hz, 125 Hz, 250 Hz, 500 Hz, 1 kHz, 2 kHz, 4 kHz, 8 kHz.

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