Engineered for harsh Canadian industrial climates, ruggedized workplaces, and compliant with both federal and provincial occupational noise criteria.
Rugged IEC 60942 Class 1 acoustic field calibrator providing ultra-stable 94.0 dB and 114.0 dB reference tones for pre- and post-test field verification in cold-weather Canadian industrial sites.
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State-of-the-art MEMS microphone array camera visualizing pressurized gas leaks and pinpointing excessive industrial noise sources across Ontario assembly lines and Alberta refineries.
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Integrating sound level meter equipped with 1/1 and 1/3 octave real-time frequency analysis, data logging, and seamless profile switching between CSA Z107.56 and OSHA/NIOSH standards.
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High-stability 1/2-inch free-field prepolarized condenser microphone engineered with stainless steel diaphragm for ultra-wide dynamic range and long-term acoustic measurement reliability.
Request Canadian Quote →In Canada, occupational noise-induced hearing loss (ONIHL) remains one of the most prevalent and costly compensable occupational health claims across industrial sectors. According to the Canadian Centre for Occupational Health and Safety (CCOHS) and provincial safety boards like the Workplace Safety and Insurance Board (WSIB in Ontario) and WorkSafeBC, hazardous noise exposure affects over 1.2 million Canadian workers annually.
Navigating the Canadian acoustic monitoring market requires compliance with rigorous national and provincial standards. While the national baseline is governed by the CSA Standard Z107.56-18 (Measurement of Noise Exposure), each Canadian jurisdiction establishes specific statutory Threshold Limit Values (TLVs):
Full support for the CSA Z107.56 and ISO 1999 equal-energy principle, alongside user-configurable 4 dB and 5 dB settings for legacy evaluations.
Engineered to operate continuously in extreme sub-arctic Canadian winter conditions down to -20°C without lithium battery collapse or microphone drift.
Simultaneously log CSA, OSHA HC, and NIOSH exposure parameters in a single measurement shift, eliminating the need for repeated survey runs.
Capture real-time fast transient peaks up to 143 dBC, crucial for Canadian stamping plants, mining blasting, and military aerospace testing.
Our CE certified acoustic dosimeters and sound measurement chains are deployed across diverse regional economic engines throughout Canada.
In high-noise environments such as Fort McMurray, heavy bitumen extraction equipment, heavy haulers, and compression plants generate complex acoustic spectrums. Cable-free, lightweight wearable dosimeters attached directly to employee coveralls capture continuous Lavg, Lex,8h, and peak impact noise without snagging hazards.
Spanning Windsor, Oshawa, and the Greater Toronto Area (GTA), automotive stamping presses, robotic welding cells, and metal fabrication shops generate variable impulsive noise. Our dosimeters track 1-minute time-history profiles and high-level C-weighted peak metrics to validate engineering noise controls.
From underground gold and nickel mines in Abitibi-Témiscamingue and Sudbury to expansive coastal sawmills and pulp facilities in BC, workers operate near vibrating crushers and chippers. Wearable dosimeters featuring IP65 water/dust resistance ensure reliable data integrity in damp, dusty environments.
Montreal's aerospace corridor and Canadian Forces bases require Class 1 and Class 2 acoustic instrumentation for turbine testing, engine run-up areas, and tarmac ground crews, ensuring strict adherence to National Defence noise health surveillance protocols.
Intermodal transfer hubs in Vancouver, Prince Rupert, Montreal, and Halifax present high-amplitude intermittent low-frequency diesel rumble and container impact noise. Integrating sound level meters and dosimeters provide accurate spectral mapping for 24/7 port shifts.
Wind turbine farms across Southwestern Ontario and the Prairies require high-sensitivity low-frequency monitoring, infrasound assessment, and localized environmental boundary acoustic compliance testing under provincial renewable energy approvals (REA).
When drafting Requests for Quotation (RFQ) for Canadian federal, provincial, or private industrial tenders, compare our technical specifications with international safety criteria.
| Feature / Parameter | Aihua AWA5920 Series (Dosimeter) | AWA6292 (Integrating SLM) | Canadian Regulatory Requirement (CSA Z107.56) |
|---|---|---|---|
| Standards Compliance | CE, IEC 61252:2017, ANSI S1.25 | IEC 61672 Class 1 / Class 2, CE | CSA Z107.56 / IEC 61252 Type 2 or Type 1 |
| Dynamic Range | 60 dBA to 140 dBA (RMS), up to 143 dBC (Peak) | 20 dBA to 142 dBA Linear Range | Minimum 70 dBA to 130 dBA Coverage |
| Exchange Rate (Q) | Configurable: 3 dB, 4 dB, 5 dB, 6 dB | User Selectable 3 dB & 5 dB | Mandatory 3 dB for all Canadian Provinces |
| Frequency Weighting | A, C, Z (Simultaneous Parallel Logging) | A, C, Z Parallel Fast / Slow / Impulse | A-weighting for dose; C-weighting for Peak limits |
| Operating Temperature | -20°C to +55°C (Cold Climate Ready) | -10°C to +50°C | Must endure Canadian seasonal winter extremes |
| Form Factor & Ingress | Ultra-compact, cable-free wearable, IP65 | Handheld Ergonomic, IP54 | Rugged, tamper-proof, intrinsically safe ready |
The Canadian occupational safety sector is accelerating its transition toward connected EHS ecosystems. Modern acoustic dosimeters are no longer standalone data loggers; they are evolving into intelligent edge-processing nodes. Key industry directions include:
1. Automated Acoustic Event Recognition (AER): Leveraging edge AI microcontrollers, modern instruments can automatically distinguish between continuous machinery noise, vehicle movement, pneumatic discharge, and human speech, providing safety hygienists with clear contextual event tagging.
2. Wireless Bluetooth Low Energy (BLE) & Mobile Dashboards: Industrial hygienists can perform mid-shift dose inspections without disturbing workers or interrupting heavy industrial workflows. Remote configuration and calibration checks minimize production downtime.
3. Comprehensive Hearing Protector Selection (HML & Octave Band Methods): Integrating octave-band frequency capture allows instant calculation of the effective sound level under ear muffs (LA'), ensuring Canadian workers are neither under-protected against hearing loss nor over-protected, which could impair situational awareness.
Hangzhou Aihua Instruments Co., Ltd.
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 product range covers sound level meters, noise dosimeters, calibrators, audiometric calibration systems, microphones and accessories, software products, and acoustic test systems — over 60 varieties in total. We serve diverse application fields including environmental noise monitoring, building acoustics, occupational health and safety, vehicle noise testing, and audiometer calibration. Notably, we design and manufacture our own measurement microphones in-house — from cartridge development to automated performance testing — giving us a critical quality advantage that few competitors can match.

Unwavering Dedication to Acoustics
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 remote monitoring technologies, 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, workplace safety, 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 pricing.
Backed by professional engineers, we deliver responsive, expert support throughout the entire product lifecycle, ensuring our customers always have the assistance they need.
A glimpse inside our specialized laboratories, automated cleanrooms, and testing facilities dedicated to precision acoustic instrumentation.








Explore our complete range of acoustic calibrators, personal exposure dosimeters, artificial ear couplers, impedance analyzers, and acoustic imagers.
Looking for certified acoustic dosimeters, sound level meters, or custom OEM/ODM solutions in Canada? Contact our technical engineering team today for comprehensive quotations, calibration certificates, and delivery timelines.