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China Shenzhen Baichuan electronics Co., LTD

Professional manufacturer of acoustic test instruments.


Sound calibrator/

AWA6221A Sound Calibrator Class 1

Model AWA6221A sound calibrator complies with the standard IEC 60942 Class 1.
Nominal sound pressure level: 94 dB and 114 dB(ref.20 μPa)at 1000Hz.
It has a stable performance by adopting the sound negative feedback compression method.

  • Product Detail
  • Technical specifications
  • After-sales services

■  Comply with IEC 60942 class 1

■  Pocket size, portable unit

■  Frequency 1000 Hz, giving independence of weighting

■  Sound pressure independent of microphone equivalent volume

Product Uses

■  Calibration of sound level meters

■  Calibration of other sound measurement equipment

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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  (including battery) 450 g
Microphone Type 1″, 1/2″

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