Direct from factory manufacturing: precision-engineered sound calibrators, acoustic imagers, sound level meters, and high-sensitivity measurement sensors optimized for Spain's stringent industrial standards.
Class 1 sound pressure calibrator providing precise 94 dB and 114 dB reference levels for field checks in Spanish industrial labs and acoustic calibration centers.
Next-generation ultrasonic & vibration acoustic camera for real-time compressed air leak detection, partial discharge pinpointing, and mechanical anomaly mapping.
High-performance Class 1 sound & vibration measurement analyzer featuring 1/1 and 1/3 octave real-time digital filtering, color touch display, and logging.
In-house manufactured high-precision prepolarized measurement microphone cartridge with ultra-flat frequency response, low self-noise, and wide dynamic range.
The Kingdom of Spain represents one of Southern Europe's most vibrant and diversified industrial hubs. As Spain continues its rapid transition toward Industria 4.0, digital transformation, and sustainable manufacturing, the demand for precision vibration measurement meters, hand-arm vibration dosimeters, and continuous condition monitoring equipment has surged significantly across autonomous communities from Catalonia and the Basque Country to Andalusia and Galicia.
Modern Spanish enterprises—ranging from tier-1 automotive suppliers in Martorell and Valencia to renewable wind energy farms operating across Castilla y León—face dual pressures: maintaining peak operational equipment efficiency (OEE) while strictly adhering to European Occupational Safety and Health directives and metrological standards. Achieving this balance requires metrology-grade vibration analyzers that deliver world-class precision without overburdening enterprise capital expenditure.
Industrial machinery vibration assessment in Spain is governed by harmonized European norms, specifically UNE-EN ISO 10816 and the updated UNE-EN ISO 20816 series (Mechanical vibration — Measurement and evaluation of machine vibration). These standards mandate strict vibration severity thresholds for rotating equipment, electric motors, centrifugal pumps, turbines, and gearboxes.
Furthermore, under Spanish occupational legislation — specifically Real Decreto 1311/2005 regarding the protection of workers from risks arising from physical agents (mechanical vibration) — Spanish employers must monitor Hand-Arm Vibration (HAV) and Whole-Body Vibration (WBV). Our specialized dosimeters and multi-axis vibration measurement instruments provide automated A(8) daily exposure calculations in full compliance with UNE-EN ISO 5349 and UNE-EN ISO 2631.
Automated evaluation of daily vibration exposure limits (5 m/s² daily action value for hand-transmitted vibration) with tri-axial accelerometers.
Instantaneous RMS velocity (mm/s), peak acceleration (m/s²), and displacement (µm) measurement for industrial rotating assets.
Every vibration meter and calibrator is factory-calibrated with traceable certificates conforming to international metrology frameworks.
Vibration analysis is not a one-size-fits-all discipline. Spanish regional industries present distinct operating environments, physical stresses, and diagnostic challenges where budget-friendly, factory-direct vibration meters provide immense economic value:
Monitoring high-speed spindle health, robotic arm joints, stamping presses, and electric vehicle powertrain assembly lines in Barcelona, Martorell, and Almussafes.
Vibration analysis of multi-megawatt wind turbine main bearings, planetary gearboxes, and generators to detect bearing fluting, gear misalignment, and resonance.
Trackbed ground vibration surveys, bogie bearing diagnostics, and tunnel acoustic impact tests for Spain's extensive high-speed AVE train network.
Heavy CNC milling, grinding machinery balance, and high-frequency cutting tool chatter detection across advanced metalworking facilities in Bilbao and San Sebastián.
Condition monitoring of large cargo gantry cranes, container handling winches, seawater cooling pumps, and marine propulsion shafts operating in corrosive coastal air.
Predictive maintenance of continuous bottling lines, olive oil centrifuges, agricultural conveyor gearmotors, and industrial refrigeration compressors.
Founded in 1992, Aihua Instruments is a world-class, state-of-the-art manufacturer specializing in precision acoustic testing and vibration measurement instrumentation. With over 30 years of unwavering dedication to the acoustic and vibration engineering field, we have established ourselves as one of China's foremost high-tech enterprises in this specialized metrology domain.
From our early foundation as a pioneering acoustic research institute to today's globally recognized manufacturer, our growth reflects an uncompromising commitment to technological excellence, automated quality validation, and direct cost benefits for our international clients — especially across European industrial hubs in Spain, Germany, and France.
Notably, we design and manufacture our own measurement microphones, preamplifiers, and vibration sensors in-house — from diaphragm cartridge micromachining to automated performance calibration — giving us a critical quality and budget advantage that very few competitors worldwide can match.

Take a visual tour inside our ISO-certified production lines, automated SMT cleanrooms, full anechoic test chambers, and precision vibration sensor calibration laboratories.
Cleanroom SMT Line
Sensor Assembly
Automated Testing
Anechoic Chambers
Vibration Test Benches
Burn-in & QA
Global Logistics Hub
Provincial R&D Center
Empowering Spanish equipment distributors, condition monitoring specialists, and industrial plant managers with factory-direct precision and unmatched cost efficiency.
Our fully integrated manufacturing facility features advanced automated test systems, SMT cleanrooms, and robotic acoustic test benches, ensuring strict metrological quality before dispatch.
Identified as a provincial High-tech Enterprise R&D Center, our dedicated engineers drive innovation in high-speed digital DSP detection, FFT vibration analysis, and OEM/ODM collaborations.
Our company operations and test instruments hold ISO 9001, ISO 14001, ISO 45001, CE, and RoHS certifications, ensuring compliance with European directives and Spanish industrial safety norms.
We export to over 40 countries across Europe, North America, South America, and Asia, maintaining dedicated European logistics channels for rapid delivery to Madrid, Barcelona, Bilbao, and Valencia.
Backed by experienced senior acoustic and vibration application engineers, we deliver fast technical support, recalibration assistance, and software updates throughout the entire lifecycle.
By eliminating unnecessary distributor markups, our OEM factory pricing model allows Spanish testing labs and contractors to deploy premium diagnostic hardware at substantial cost savings.
Discover our comprehensive collection of vibration accelerometers, occupational human vibration dosimeters, Class 2 sound meters, and precision measurement microphone cartridges serving the Spain market.
Answers to common questions regarding Spanish compliance, factory pricing, calibration traceability, and OEM supply chains.
Our instruments are engineered in strict alignment with IEC 61672, ISO 8041, ISO 10816, and ISO 20816. They carry full CE certification and RoHS compliance, making them fully legally recognized for workplace audits and occupational health compliance under Spanish Real Decreto 1311/2005.
Unlike European trading houses that rebrand third-party hardware with heavy distribution markups, Aihua manufactures every critical component — from sensor cartridges to PCBAs and calibration jigs — in our Hangzhou facility, reducing procurement costs by 30% to 50% for Spanish distributors.
Yes. We offer dedicated handheld dosimeters (such as the AWA5937) designed specifically for tri-axial Hand-Arm (HAV) occupational testing, alongside broad-frequency accelerometers (like the AWA14415) and multi-channel FFT analyzers for rotating machinery diagnostics.
We provide comprehensive OEM/ODM solutions, including custom Spanish firmware localization, personalized front-panel branding, tailored measurement software algorithms, and customized hardware interfaces for integration into proprietary SCADA and IoT monitoring networks.
Built in China, trusted worldwide. Supplying high-precision, budget-friendly vibration measurement meters, sound calibrators, and acoustic imagers directly to Spanish industry.