Aihua Instruments
Aihua Instruments
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AWA6228+ Multifunction Sound Level Meter
AWA6228+ Multifunction Sound Level Meter AWA6228+ Multifunction Sound Level Meter AWA6228+ Multifunction Sound Level Meter AWA6228+ Multifunction Sound Level Meter AWA6228+ Multifunction Sound Level Meter AWA6228+ Multifunction Sound Level Meter AWA6228+ Multifunction Sound Level Meter AWA6228+ Multifunction Sound Level Meter AWA6228+ Multifunction Sound Level Meter AWA6228+ Multifunction Sound Level Meter AWA6228+ Multifunction Sound Level Meter
AWA6228+ Multifunction Sound Level Meter
Model AWA6228+ Sound level meter is a new generation noise measurement instrument developed with digital signal processing technology, which is up-to-data product of AWA6228 series.
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Key Features

 

■  A handhold noise measuring instrument


■  Multifunction and user- friendly sound level meter(integrating SLM, 1/1 OCT, 1/3 OCT analyzer,  Noise dosimeter)


■  240×320 color screen


■  Measurement range 20~142dB


■  Synchronously do statistical, real-time 1/1 OCT, 1/3 OCT, and noise dosimeter measure


■  Comply with IEC 61672 Class 1 and IEC61260 Class 1 and IEC 61252


■  CE Mark


■  32G SD card function for precise audio recording, GPS positioning


Product Uses


■  Comprehensive noise measurements


■  Environment noise certification


■  Noise profile measurement of industrial noise


■  Peak C sound level measurements


■  Impulse noise measurements


■  Workplace noise assessments


■  Industry boundary assessments


Technical Specifications


    ModelAWA6228+ Multifunction Sound Level Meter

    Fulfills Standards

    IEC 61672 Class 1, IEC 61260 Class 1, IEC61252:2002, IEC 60651:2001 Type 1,

    IEC 60804: 2000 Type 1, ANSI S1.4: 1983 Type 1, ANSI S1.4A:1985 Type 1,

    ANSI S1.43:1997 Type 1, ANSI S1.25:1991

    Microphone + Preamplifier

    1/2” prepolarized condenser microphone+ Preamplifier (Sensitivity Level: -28dB)

    Correction Function

    Diffusion field correction in order to comply with standards ANSI S1.4

    Preamplifier

    AWA14601 removable preamplifier

    Frequency Range

    10 Hz ~ 20 kHz ± 1 dB (not including microphone)

    Total Measurement Range

    Low range: (20~132)dBA, (25-132)dBC, (30-132)dBZ 

    High range: (16~142)dBA, (35-142)dBC, (40-142)dBZ 

    Self-generated Noise

    <12 dB(A), 17 dB(C), 22 dB(Z)

    Frequency Weighting

    Parallel (simultaneous) A, C, Z, B, D and user1&2-defined weighting

    Time Weighting

    Parallel (simultaneous) F, S, I, Peak

    A/D Bits

    24 bits

    Sampling Frequency

    48 kHz

    Calibration

    Using Sound Calibrator Class 1 model AWA6221A

    Correction Function

    Diffusion field correction in order to comply with standards ANSI S1.4

    Delay Time

    The meter can delay 0~99s after pressing start measuring button

    Back Erase Function

    Elimination of undesired noise; example barking dogs, cars, doors

    Display

    240×320 color screen, adjustable brightness, backlight can be closed

    Display Resolution

    0.1 dB

    Low battery indication

    Symbol  indicate low battery

    Data Storage

    (32 Mb FLASH RAM.

    SD card is optional)

    ◆ 3328 groups of integrating measuring results only.

    ◆ 3328 groups of statistical results only (‘statistical 1’ and ‘statistical 2’ analysis index are same.)

    ◆ 2663 groups of statistical results only (‘statistical 1’ and ‘statistical 2’ analysis index are different.)

    Print

    Mini-printer

    Internal Clock

    Error less than 1 min/month

    Output Interface

    AC Output (full scale): 1.0V AC RMS; Output Impedance: 1k Ω; Connector: φ3.5 mm stereo plug

    DC Output: 20mV/dB; Output Impedance: 1k Ω; Connector: DB-9 plug

    RS232 Interface: To computer for output some measurement results instantaneous values , also to mini-printer for printing

    Transmission speed: 4800, 9600,115200 bps

    USB Interface: available and no need device drive. Allow USB to be controlled via communication commands

    Power Supply

    4×LR6 alkaline battery or rechargeable batteries

    5 V external power supply

    Battery Life

    Longest time of 30 hours continuously with 4×LR6 alkaline battery

    Dimensions

    260 (H) x 80 (W) x 30 (D), mm.

    Weight

    0.35 kg. (include batteries)

    EMC

    Type X

    Environment

    Working Temperature: -10 ~ 50 °C,

    Storing Temperature: -20 ~ 70 °C,

    Relative Humidity: 25 ~ 90 %

    Accessories

    AC adaptor, USB cable, RS232 transmission cable, windscreen, hand strap, windscreen fall prevention rubber, carrying case, U-disk, user’s manual

    Bluetooth Module

    Wireless printing



    Can choose to install list 


      Embedded Software Optional

      Corresponding Functions

      S6228+ -10100 Integral software

      The noise integral measuring

      S6228+ -10101 Statistics analytical software

      The statistical analysis, 24 hours noise monitors automatically

      S6228+ -10202 The OCT analysis software

       Noise real-time OCT spectral analysis

      S6228+ -10303 The 1/3 OCT analysis software

       Noise real-time 1/3 OCT spectral analysis

      S6228+ -10404 The FFT analysis software

       Noise real-time FFT spectral analysis

      S6228+ -00013 The Noise Dosimeter software

       Noise dosimeter measuring

      S6228+ -00509 The Data Logging software

       Do data logging

      S6228+ -00508 The Reverberation Time Measurement software

       Reverberation Time Measurement

    Other function

    32G SD memory card & wave record

    Bluetooth function

    GPS positioning modular




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