Description
Product Video
Features
Performance
Test Conditions: Temperature 23 ℃, Relative Humidity 50 %RH
Dimensions
Microphone
From Sound Level Meters and Acoustic Imagers to Calibrators and sound level sensor for professional testing and research.
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AWA14404 1/2" Pressure Field Working Standard Microphone
Working standard grade accuracy: Designed strictly according to working standard microphone specifications, suitable for precision calibration and reference measurements.
Stable performance with external polarization: Requires 200 V external polarization power supply, ensuring high stability and consistent measurement accuracy.
Precision pressure field design for cavity testing: Optimized for electroacoustic tests such as simulated ears and precision cavity measurements.
Reliable transfer standard capability: Can be used as a transfer standard for acoustic instrument calibration and laboratory reference applications.
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Class 1SLM -
Mobile App -
IEC61672
01
Product Description
The AWA14404 measurement microphone is designed strictly according to the specifications of a working standard microphone
The diaphragm adopts a press-fit structure. The microphone requires external polarization power supply to operate and has extremely strong stability. The frequency range is up to 20 kHz. It can be used as a transfer standard in the calibration of acoustic measurement instruments and is also suitable for related electroacoustic tests such as simulated ears.
Product Video
Features
Applications of Pressure Field Working Standard Microphones
Pressure field working standard microphones have a wide measurement frequency range and are suitable for various measurement scenarios. Designed specifically for measurements within precision cavities, their excellent stability also allows them to be used as a transfer standard in the calibration of acoustic measuring instruments, and they are widely used in acoustic research and electroacoustic testing.
Quality and Warranty
The microphones utilize a second-generation alloy diaphragm, a high-strength protective grille, and synthetic corundum insulators, making them stable and reliable measuring microphones on the market. Compared to traditional nickel and stainless steel, the alloy diaphragm offers superior corrosion resistance, high-temperature stability, shock resistance, and specific strength.
Compatibility
The AWA14404 working standard microphone is compatible with conventional preamplifiers from various manufacturers on the market.
Calibration
Each measuring microphone is calibrated at the factory using traceable calibration equipment and comes with a calibration certificate. Recalibration at least annually is recommended.
OEM Solutions
OEM/ODM customization available. Learn more.
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AWA14404 Pressure Field Working Standard Microphone |
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Field Type |
Pressure Field |
Lower limit frequency (-3dB) (Hz) |
3.15 |
|
Diameter |
1/2 Inch |
Operating Temperature (°C) |
-30～+100 |
|
IEC 61094 |
WS2P |
Temperature coefficient (dB/℃) (@250 Hz) |
-0.005（-10 ℃～50 ℃） |
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Polarization Voltage (V) |
200 |
Static pressure coefficient (dB/kPa) |
-0.005 |
|
Sensitivity (mV/Pa) (@250 Hz ± 2.0 dB) |
12.6 |
Operating humidity range (%RH) |
0～100 |
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Frequency range (Hz) |
3.15～20k |
Height with grid (mm) |
13.3 |
|
Capacitance (pF) (@250 Hz) |
18 |
Diameter with grid (mm) |
13.2 |
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Dynamic Range |
22 dBA～160 dB |
Height without grid (mm) |
12.5 |
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Noise floor (dBA) |
≤20 |
Diameter without grid (mm) |
12.7 |
|
Voltage Equalization Method |
Side Pressure Equalization |
Preamplifier Fitting Thread |
11.7 mm-60 UNS |
Frequency Response
Aihua Instruments TO KNOW MORE ABOUT Aihua Instruments, PLEASE CONTACT US！
- marketing@hzaihua.com
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No.37 Xianxing Rd Xianlin Town Yuhang District Hangzhou Zhejiang China
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