Aihua Instruments provides a comprehensive sound level meter calibration and verification system, designed for both factory acceptance testing and periodic calibration of sound level meters. Widely adopted by metrology institutions and sound level meter manufacturers worldwide, our calibration systems deliver reliable and traceable solutions for acoustic measurement instruments.

Why Sound Level Meter Calibration Matters

Accurate sound level meter calibration is essential for ensuring the reliability and traceability of noise measurement data. Without regular calibration, measurement errors can accumulate over time, leading to incorrect noise assessments and potential non-compliance with regulatory standards. Calibration ensures that every measurement taken in the field or laboratory meets the required accuracy standards.    

Calibration System Components

The Aihua Instruments sound level meter calibration system consists of the following precision instruments:

Key Features

• Supports both manual and automatic calibration modes

• Data acquisition via digital output interface or direct video reading

• Flexible system configuration based on user requirements

• Suitable for factory acceptance testing and periodic field calibration

• Provides reliable and traceable calibration results

• Widely adopted by metrology institutions and manufacturers

Key Application Areas

Factory Acceptance Testing

Verify the performance and accuracy of new sound level meters before delivery, ensuring every instrument meets the required specifications and international standards.

Periodic Calibration & Verification

Perform regular calibration checks on sound level meters to maintain measurement accuracy and ensure continued compliance with IEC 61672 and other applicable standards.

Metrology Institution Calibration

Support national and regional metrology institutions in providing traceable calibration services for sound level meters used in environmental, industrial, and occupational noise measurement.

Acoustic Instrument Manufacturer Testing

Enable sound level meter manufacturers to perform comprehensive quality control testing, ensuring all instruments meet international performance standards before market release.

Applicable Standards

 
Aihua Instruments offers a range of professional sound calibrators suitable for sound level meter calibration and verification.   

AWA6221A Sound Calibrator Class 1

 The AWA6221A is a high-precision Class 1 sound calibrator designed for accurate calibration of professional sound level meters and acoustic measurement systems        

• Class 1 calibration accuracy

• Stable acoustic output performance

• Suitable for laboratory and field calibration

• Compatible with various microphones and sound level meters

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AWA6022A Sound Calibrator Class 2

  The AWA6022A Class 2 sound calibrator provides reliable and convenient calibration for general acoustic measurements and routine sound level meter verification tasks.            

• Reliable Class 2 calibration performance

• Compact and lightweight design

• Easy operation for daily calibration work

• Ideal for environmental and industrial noise measurements

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AWA6223+F Multi-frequency Sound Calibrator

  The AWA6223+F multi-frequency sound calibrator supports multiple calibration frequencies and sound pressure levels, making it suitable for advanced acoustic testing and laboratory applications.            

• Multi-frequency and multi-level calibration support

• High stability and precision output

• Suitable for advanced acoustic analysis systems

• Designed for professional laboratories and research institutions

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