What is the frequency range of the AWA14523 infrasound microphone?

The AWA14523 has an ultra-wide frequency range of 0.1 Hz to 40 kHz, making it suitable for infrasound measurement, sonic boom detection, conventional acoustics, and partial ultrasonic testing.

Is the AWA14523 compatible with IEPE preamplifiers?

Yes, the AWA14523 infrasound wideband microphone is compatible with IEPE (also known as ICP or CCP) and conventional preamplifiers from various manufacturers.

Does the AWA14523 come with a calibration certificate?

Yes, each AWA14523 sensor is factory calibrated using traceable calibration equipment and includes an independent calibration certificate. Annual recalibration is recommended.

What is the warranty for the AWA14523 infrasound sensor?

The AWA14523 comes with a one-year warranty along with comprehensive after-sales support from Aihua Instruments.

What is the dynamic range and noise floor of the AWA14523?

The AWA14523 has a dynamic range of 20 dBA to 153 dB and a noise floor of ≤20 dBA, providing high sensitivity and stability for precision acoustic measurements.

What environments is the AWA14523 microphone suitable for?

The AWA14523 is suitable for acoustic environments with no reflection or only incident sound waves in a specific direction, such as anechoic chambers and semi-anechoic chambers, as well as general laboratory and field acoustic measurements.

AWA14523 1/2" Infrasound Sensor | Free-Field Microphone

Name: AWA14523 1/2'' Prepolarized Free-Field Infrasound Wideband Microphone
Brand: Aihua Instruments
SKU: AWA14523
Availability: InStock

Key Features Product Uses Technical Specifications

Key Features

Compatibility

Works with IEPE and conventional preamplifiers
The AWA14523 infrasound wideband Microphone is compatible with IEPE or conventional preamplifiers from various manufacturers. IEPE is a general-purpose constant-current-source power-supply technology used in preamplifiers. Different manufacturers may use different names, such as ICP (Integrated Circuit Constant Current Source) and CCP (Constant Current Source).
Calibration

Factory calibrated with traceable certification
Each infrasound Microphone is calibrated at the factory using traceable calibration equipment and 
comes with a calibration certificate. 
Recalibration is recommended at least annually.
Quality and warranty

Built for stability and durability
The infrasound Microphones utilize a second-generation alloy diaphragm, a high-strength protective grid, and a synthetic corundum insulator, making them stable and reliable measurement 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. All infrasound Microphones are assembled and debugged in a Class 1000 cleanroom to ensure product consistency and stability. The infrasound Microphones come with a one-year warranty, and we will provide comprehensive after-sales service.

Product Uses

Infrasound Measurement

Ultra-low frequency detection down to 0.1 Hz for advanced infrasound analysis.

Sonic Boom Detection

Measurement of sonic boom events in aerospace and high-speed research.

Acoustic Measurement

Compatible with conventional acoustic signal measurement systems.

Ultrasonic Testing

Supports partial ultrasonic frequency range measurement applications.

Acoustic Research

Widely used in laboratory acoustic experiments and research.

Noise Monitoring

Environmental and industrial noise monitoring applications.

Technical Specifications

AWA14523 Prepolarized Free-Field Infrasound Wideband Microphone
Field Type	Free Field	Lower limit frequency (-3dB) (Hz)	0.1
Diameter	1/2 inches	Operating Temperature (°C)	-30～+80
IEC 61094	WS2F	Temperature coefficient (dB/℃) (@250 Hz)	-0.01
Polarization Voltage (V)	0	Static pressure coefficient (dB/kPa)	-0.01
Sensitivity (mV/Pa) (@250 Hz ± 2.0 dB)	31.6	Operating humidity range (%RH)	0～100
Frequency range (Hz)	0.1～40k	Height with grid (mm)	13.3
Capacitance (pF) (@250 Hz)	14（@250 Hz）	Diameter with grid (mm)	13.2
Dynamic Range	20 dBA～153 dB	Height without grid (mm)	12.5
Noise floor (dBA)	≤20	Diameter without grid (mm)	12.7
Voltage Equalization Method	Side Voltage Equalization	Preamplifier Fitting Thread	11.7 mm-60 UNS

Frequency Response

Dimensions

Free-Field Infrasound Wideband Sensor Dimensions.png

Return