High-performance acoustic equipment calibrated to ensure absolute measurement accuracy across Polish manufacturing hubs, Silesian mining complexes, environmental testing laboratories, and automotive assembly facilities.
Ultra-stable 94 dB / 114 dB dual-output acoustic calibrator with atmospheric pressure correction, essential for Polish calibration laboratories and field verification.
State-of-the-art microphone array camera designed for real-time visualization of industrial noise hotspots, gas leaks, and mechanical resonance in Polish factories.
Multi-functional Class 1 sound level meter supporting 1/1 and 1/3 octave real-time frequency analysis, data logging, and comprehensive BHP noise reporting.
In-house manufactured high-stability prepolarized measurement microphone cartridge with ultra-flat frequency response, robust against harsh European climate conditions.
As Central Europe's leading industrial engine, Poland combines heavy manufacturing, expanding automotive hubs, and stringent European Union environmental frameworks requiring traceable acoustic calibration.
The industrial landscape in Poland is undergoing a profound technological transition. With heavy enforcement of EU Directive 2003/10/EC regarding the minimum health and safety requirements for noise exposure, Polish enterprises are held to strict standards overseen by the State Labour Inspection (Państwowa Inspekcja Pracy - PIP) and certified through the Central Institute for Labour Protection (CIOP-PIB).
Under Polish metrological laws aligned with Główny Urząd Miar (Central Office of Measures - GUM), acoustic measurements used for official workplace hygiene (BHP - Bezpieczeństwo i Higiena Pracy) or environmental impact assessments are invalid unless calibrated immediately before and after measurements using a certified sound level calibrator complying with PN-EN 60942 (IEC 60942).
Designed with high-precision feedback circuitry, internal barometric pressure sensors, and quartz-crystal frequency control to eliminate acoustic drift in varying Polish weather conditions.
Supporting environmental consultancies and regional inspectorates (WIOŚ) across Warsaw, Kraków, and Poznań in monitoring urban road traffic, railway corridors, and wind energy farms.
Enabling safety inspectors and occupational health specialists to reliably verify sound dosimeters and decibel meters prior to measuring worker exposure levels in manufacturing plants.
Compare our Class 1 and Class 2 acoustic calibrators engineered for lab-grade accuracy and rugged daily field use across Polish industrial sectors.
| Parameter / Specification | AWA6021A / AWA6021A-L (Class 1) | AWA6022A (Class 2) | AWA6071A Vibration Calibrator |
|---|---|---|---|
| Applicable European Standard | EN/IEC 60942:2018 Class 1, CE Certified | EN/IEC 60942:2018 Class 2, CE Certified | ISO 8041 / ISO 5349 Metrology Standard |
| Nominal Sound Pressure Level | 94.0 dB ±0.2 dB / 114.0 dB ±0.2 dB | 94.0 dB ±0.3 dB / 114.0 dB ±0.3 dB | 10 m/s² (Acceleration) / 10 mm/s (Velocity) |
| Operating Frequency | 1000 Hz ±0.5% (Pure Sine Wave) | 1000 Hz ±1.0% (Pure Sine Wave) | 159.2 Hz ±1% (ω = 1000 rad/s) |
| Microphone Cavity Adaptability | 1" and 1/2" microphones (adaptor supplied) | 1/2" standard condenser microphones | Universal threaded accelerometer mount |
| Total Harmonic Distortion (THD) | < 1.0% (at 94 dB and 114 dB) | < 1.5% at nominal output | < 3.0% across operational span |
| Environmental Compensation | Automatic ambient pressure & temp sensor | Manual / Built-in cavity compensation | Closed-loop internal accelerometer feedback |
| Typical Poland Application | GUM accredited labs, BHP audits, acoustic R&D | Field maintenance, factory floor decibel checks | Mining gear, turbine & motor vibration tests |
From heavy metallurgy in Upper Silesia to advanced automotive assembly lines in Greater Poland, our noise calibrators ensure reliable, compliant acoustic performance.
Heavy machinery, high-tonnage stamping, and extraction ventilation produce intense low-frequency noise. Regular on-site calibrator checks ensure safety compliance with Polish mine safety and OHS laws.
Poland's automotive clusters rely on Class 1 calibrators to calibrate sound level meters during vehicle NVH (Noise, Vibration, Harshness) tests, electric motor acoustic validation, and battery casing QA.
Serving central distribution hubs around Warsaw and Łódź, our acoustic calibrators verify outdoor sound monitors tracking 24/7 highway traffic, rail intermodal terminals, and construction noise.
Baltic shipyard fabrications and offshore wind power developments require robust acoustic calibrators with low-temperature resilience and saltwater humidity protection for reliable environmental baselines.
Founded in 1992, Aihua Instruments is a Hangzhou-based manufacturer specializing in precision acoustic testing and vibration measurement instrumentation. With over 30 years of unwavering dedication to the acoustic and vibration field, we have established ourselves as one of China's foremost high-tech enterprises in this domain. From our early days as a pioneering research institute to today's internationally recognized brand, our growth reflects a relentless commitment to technological excellence and customer satisfaction.
Our comprehensive export portfolio serving the European market includes sound level meters, noise dosimeters, IEC Class 1 / Class 2 acoustic sound calibrators, audiometric calibration systems, preamplifiers, microphone cartridges, and dedicated post-processing acoustic software suites.

Your Trusted Partner in Acoustic & Vibration Measurement Solutions for Poland and Greater Europe
Our fully equipped manufacturing facility features advanced automated test systems, ensuring every product meets strict quality benchmarks before leaving the factory.
Identified as a provincial High-tech Enterprise R&D Center, our dedicated engineering team continuously drives innovation in digital detection, signal processing, and supports OEM/ODM partnerships.
Our management systems and products hold ISO 14001, ISO 45001, CE, and RoHS certifications, demonstrating our commitment to environmental responsibility and global compliance.
We export to over 40 countries across Europe, North America, South America, and Asia, with a strong reputation built on consistent quality and competitive factory-direct pricing.
Backed by professional acoustic engineers, we deliver responsive technical support throughout the product lifecycle, ensuring Polish distributors and end-users get rapid assistance.
Browse our certified sound level meters, precision acoustic calibrators, vibration meters, and microphone accessories available for export to Poland and EU distributors.
Looking for CE Certified sound calibrators, OEM/ODM acoustic instrumentation, or reliable distribution partnerships in Poland? Get in touch with our technical sales engineers for quotes, factory direct pricing, and full metrology compliance support.