Aihua Instruments
Aihua Instruments
CN
AWA6221A Sound Calibrator Class 1
AWA6221A Sound Calibrator Class 1 AWA6221A Sound Calibrator Class 1 AWA6221A 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.
Please select the operation you need
Aihua Instruments Aihua Instruments
Key Features


■  Comply with IEC 60942 class 1                                                                                                     

■  Pocket size, portable unit                                                                                                                       

■  Frequency 1000 Hz, give independence of weighting                                

■  Sound pressure independent of microphone equivalent volume

Product Uses


■  Calibration of sound level meters                                                 

■  Calibration of other sound measurement equipment

Technical Specifications

    Model

    AWA6221A Sound Calibrator Class 1

    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"

Return
Aihua Instruments
Copyright ©2022 Hangzhou Aihua Instruments Co., Ltd. All Rights Reserved ICP record number:浙ICP备11012277号-1