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AWA14521 1/2" High Dynamic Range Measuring Microphone
Microphone
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AWA14521 1/2" High Dynamic Range Measuring Microphone

High-SPL Wideband Measurement — Purpose-built to accurately capture high sound pressure levels across an ultra-wide frequency range (3.15 Hz – 31.5 kHz), suitable for demanding acoustic testing applications.

Exceptional Dynamic Range (34–160 dB) — Handles everything from moderate ambient sound to extremely loud noise events, making it ideal for industrial noise testing, impact noise, and high-intensity acoustic environments.

Class 1 Precision, SJ/T 10724 Compliant — Meets rigorous Class 1 engineering measuring microphone standards, ensuring lab-grade measurement accuracy and reliability.

Laser-Welded Diaphragm for Long-Term Reliability — Superior construction ensures consistent performance and durability, even in challenging or variable environmental conditions.

Broad Preamplifier & System Compatibility — Works with both IEPE and conventional preamplifiers, plus standard 11.7 mm-60 UNS threading, enabling easy integration with multi-channel analyzers, noise analyzers, and electroacoustic testers.

Rugged Environmental Performance — Wide operating temperature (-30°C to +80°C) and full humidity tolerance (0–100% RH) support reliable use in both field and laboratory settings.

Cross-Brand Compatibility — Designed as a reliable replacement for measuring microphones from other leading domestic and international brands, simplifying system upgrades and multi-vendor integration.

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      Class 1SLM
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      Mobile App
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      IEC61672
    AWA14521 Measuring Microphone
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    Product Description

    The AWA14521 measuring microphone is a 1/2-inch high SPL wideband free-field measuring microphone that meets the needs of conventional sound signal measurement. The AWA14521 diaphragm is laser-welded, exhibiting good stability and environmental adaptability. Its performance meets the Class 1 engineering measuring microphone requirements of SJ/T 10724 and can be used with IEPE or conventional preamplifiers. The assembly and debugging of the AWA144XX series measuring microphones are performed in a cleanroom, featuring low background noise, high stability, and a wide frequency response range. It can be used with multi-channel analyzers, noise analyzers, electroacoustic testers, and other instruments for noise measurement and analysis, and can also replace measuring microphones from other domestic and international brands.

    Product Video

    Features

    High SPL, Wideband Performance
    A 1/2-inch free-field measuring microphone engineered for high sound pressure level (SPL) capture across a wide frequency band, ideal for conventional sound signal measurement tasks.
    Laser-Welded Diaphragm
    The diaphragm is precision laser-welded, ensuring excellent long-term stability, mechanical robustness, and strong adaptability to varying environmental conditions.
    IEC 61094 (WS2F) Compliant
    Dimensionally compliant with the IEC 61094 standard (WS2F specification), ensuring compatibility with standard preamplifiers and measurement systems worldwide.
    Cleanroom Assembly & Calibration
    Assembled and calibrated in a certified cleanroom environment, ensuring low background noise, high unit-to-unit consistency, and dependable long-term performance.
    Ultra-Wide Frequency Range
    Covers an exceptionally broad frequency range of 3.15 Hz to 31.5 kHz, enabling precise measurement across low-, mid-, and high-frequency acoustic signals.
    Wide Dynamic Range
    Delivers an outstanding dynamic range of 34 to 160 dB, allowing accurate capture of both moderate sound levels and extremely high SPL events without signal distortion.
    OEM Solutions
    OEM/ODM customization available. Learn more.

    Main Performance Indicators

    AWA14521 1/2" High Dynamic Range Measuring Microphone

    Field Type

    Free Field

    Operating Temperature (°C)

    -30~+80

    Diameter

    1/2 inches

    Temperature coefficient (dB/℃) (@250 Hz)

    -0.01

    IEC 61094

    WS2F

    Static pressure coefficient (dB/kPa)

    -0.01

    Polarization Voltage (V)

    0

    Operating humidity range (%RH)

    0~100

    Sensitivity (mV/Pa) (@250 Hz ± 2.0 dB)

    4.2

    Height (including protective cover) (mm)

    13.3

    Frequency range (Hz)

    3.15~31.5k

    Diameter (including protective cover) (mm)

    13.2

    Capacitance (pF) (@250 Hz)

    12(@250 Hz)

    Height (excluding protective cover) (mm)

    12.6

    Dynamic Range

    34 dBA~160 dB

    Diameter (excluding protective cover) (mm)

    12.7

    Frequency Response
    WPS图片
    Test Conditions: Temperature 23 ℃, Relative Humidity 50 %RH
    WPS图片(2)
    Dimensions

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