What is the frequency range and sensitivity of the AWA14423C?

The AWA14423C has a frequency range of 0.1 Hz to 20 kHz and a sensitivity of 50.0 mV/Pa (@250 Hz ± 2.0 dB), making it well suited for infrasound measurement and conventional acoustic applications.

Does the AWA14423C come with a calibration certificate?

Yes, each AWA14423C microphone is factory calibrated using traceable calibration equipment and includes an independent calibration certificate. Annual recalibration is recommended.

What is the warranty for the AWA14423C infrasound microphone?

The AWA14423C 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 AWA14423C?

The AWA14423C has a dynamic range of 16 dBA to 146 dB and a noise floor of ≤16 dBA, providing high sensitivity for low-frequency and infrasound measurements.

What environments and applications is the AWA14423C suitable for?

The AWA14423C is suitable for anechoic and semi-anechoic chambers as well as general infrasound measurement, sonic boom detection, acoustic research, ultrasonic testing, and noise monitoring applications.

AWA14423C 1/2" Infrasound Microphone 50mV/Pa

Name: AWA14423C 1/2'' Prepolarized Free-Field Infrasound Microphone 50 mV/Pa
Brand: Aihua Instruments
SKU: AWA14423C
Availability: InStock

Key Features Product Uses Technical Specifications

Key Features

Compatibility

Works with IEPE and conventional preamplifiers
The AWA14423C 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

AWA14423C Prepolarized Free-Field Infrasound 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（-10 ℃～50 ℃）
Polarization Voltage (V)	0	Static pressure coefficient (dB/kPa)	-0.01
Sensitivity (mV/Pa) (@250 Hz ± 2.0 dB)	50.0	Operating humidity range (%RH)	0～100
Frequency range (Hz)	0.1～20k	Height with grid (mm)	17.5
Capacitance (pF) (@250 Hz)	18	Diameter with grid (mm)	13.2
Dynamic Range	16 dBA～146 dB	Height without grid (mm)	16.6
Noise floor (dBA)	≤16	Diameter without grid (mm)	12.7
Voltage Equalization Method	Side Equalization	Preamplifier Fitting Thread	11.7 mm-60 UNS

Frequency Response

Dimensions

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