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AWA6221A Sound Calibrator Class 1
AWA6221A Sound Calibrator Class 1AWA6221A Sound Calibrator Class 1AWA6221A Sound Calibrator Class 1
AWA6221A Sound Calibrator Class 1
Model AWA6221A sound calibrator comply with the standard IEC 60942 Class 1.
Nominal sound pressure level: 94 dB and 114 dB（ref.20 μPa）at 1000Hz.
It has stable performance by adopting sound negative feedback compression method.
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执行标准产品特点主要技术指标功能选配及应用
产品特点


■  Comply with IEC 60942 class 1                                                                                                     

■  Pocket size, portable unit                                                                                                                       

■  Frequency 1000 Hz, give independence of weighting                                

■  Sound pressure independent of microphone equivalent volume

主要技术指标

    Model

    AWA6221A

    Name

    Sound Level Calibrator

    Fulfils Standard

    IEC 60942 Class 1

    Normal Sound Pressure Level

    94 dB, 114 dB

    Sound level Accuracy

    ±0.2 dB(+23 ℃)

    ±0.3 dB(-10 ℃～+50 ℃)

    Operation Frequency

    1000 Hz ± 1 %

    Distortion(THD)

    < 1 %

    Power Supply

                            1×6F22(9V),15 mA

    Battery Check

    yes

    Operating Temperature

    -10°C ～ +50°C

    Humidity

    25% ～ 90%(RH)

    Atmospheric Pressure

    65 kPa ～ 108 kPa

    Dimensions

    Φ52 ×116 (mm)

    Weight  (include battery)

    450 g

    Microphone Type

    1", 1/2"

功能选配及应用


■  Calibration of sound level meters                                                 

■  Calibration of other sound measurement equipment

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