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AWA6021A/AWA6022A/AWA6223 acoustic calibrator
The AWA6021A sound calibrator meets the technical requirements of GB/T 15173-2010/IEC 60942:2017 for Class 1 sound calibrators. It has acoustic negati
Product details
AWA6021A sound calibrator
Complies with the technical requirements of GB/T 15173-2010/IEC 60942:2017 for Class 1 sound calibrators. It has acoustic negative feedback function, good stability, and two sound pressure levels of 94dB and 114dB.
AWA6022A sound calibrator
Complies with the technical requirements of GB/T 15173-2010/IEC 60942:2017 for Level 2 sound calibrators. It has automatic atmospheric pressure compensation function, with two sound pressure levels of 94dB and 114dB.
AWA6223+F type sound calibrator
Complies with the technical requirements of GB/T 15173-2010/IEC 60942:2017 for Class 1 sound calibrators. It is a multifunctional acoustic calibrator with automatic temperature and air pressure compensation functions. It also has built-in temperature, humidity, and air pressure sensors that can measure environmental temperature, relative humidity, and atmospheric pressure.
Technical parameters:
PRODUCT MODEL |
AWA6021A type |
AWA6022A type |
AWA6223+F type |
accuracy |
Level 1 |
level 2 |
Level 1 |
nominal sound pressure level |
94 dB and 114 dB |
94 dB |
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Accuracy of sound pressure level |
±0.25 dB |
±0.5 dB |
±0.3 dB |
frequency |
1000 Hz |
1000 Hz, 500 Hz, 250 Hz, 125 Hz |
|
Frequency accuracy |
±1% |
±1% |
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Total distortion |
≤2.5% |
≤2.0% |
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Delay of burst and repeated burst sounds |
—— |
—— |
—— |
display |
—— |
—— |
Display the current calibration sound pressure and frequency, ambient temperature, relative humidity, atmospheric pressure, clock calendar |
Dimensions (mm) |
72×72×42 |
70×70×35.2 |
155×50×40 |
Applicable microphone size |
Φ23.77 mm（1″）、Φ12.7 mm（1/2″）、Φ6.35 mm（1/4″） |
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Working temperature range |
- 10 ℃～50 ℃ |
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