AWA5610D Integrated Sound Level Meter
| Origin | Zhejiang, China |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Domestic (China) |
| Model | AWA5610D |
| Pricing | Available Upon Request |
| Microphone | 1/2″ Electret Condenser, Sensitivity ≈40 mV/Pa |
| Frequency Range | 20 Hz – 12.5 kHz |
| Measurement Range | 35–130 dBA (ref. 2×10⁻⁵ Pa) |
| Frequency Weighting | A, C, Z |
| Time Weighting | Fast (F), Slow (S) |
| Detector | Digital True-RMS Detection, Peak Factor 3 |
| Accuracy Class | IEC 61672-1:2013 / GB/T 3785.1–2010 Class 2 |
| Measurement Durations | Manual, 10 s, 1 min, 5 min, 10 min, 20 min, 1 h, 4 h, 8 h, 24 h |
| Display | 4-digit LCD showing Lp, Leq, Lmax, LAE, E (Sound Exposure), Tm (Measurement Duration) |
| Output Interfaces | AC, PWM, DC (optional upon order) |
| Calibration | Compatible with 94.0 dB @ 1 kHz pistonphone calibrator (e.g., AWA6221B) |
| Power Supply | 4×LR6 (AA) alkaline batteries (typical life >20 h) |
| Dimensions (L×W×H) | 210 × 72 × 32 mm |
| Mass | 300 g |
| Compliance | IEC 61672-1:2013 Class 2, IEC 61672-2:2013, GB/T 3785.1–2010, GB/T 17181–1997 |
Overview
The AWA5610D Integrated Sound Level Meter is a compact, microprocessor-controlled acoustic measurement instrument engineered for precision environmental noise assessment and occupational health monitoring. It operates in accordance with the fundamental principles of sound pressure level (SPL) quantification defined in IEC 61672-1:2013 — measuring instantaneous sound pressure relative to the reference value of 20 µPa (2×10⁻⁵ Pa) and computing time-weighted, frequency-weighted metrics including equivalent continuous sound level (Leq), maximum sound level (Lmax), sound exposure level (LAE), and cumulative sound energy (E). Its digital true-RMS detector ensures high reproducibility across dynamic ranges from 35 dBA to 130 dBA, while its 20 Hz–12.5 kHz flat-frequency response supports reliable characterization of broadband industrial, transportation, and community noise sources. Designed for field-deployable operation, the AWA5610D delivers metrological traceability without requiring real-time PC connectivity.
Key Features
- Class 2 accuracy per IEC 61672-1:2013 and GB/T 3785.1–2010 — validated for routine environmental and occupational noise surveys
- Digital true-RMS detection with peak factor ≥3 — enabling accurate capture of impulsive and non-stationary noise events
- Triple frequency weighting options (A, C, Z) and dual time constants (Fast/F, Slow/S) — supporting compliance with ISO 1996, ISO 9612, and national occupational exposure standards
- Configurable measurement durations from 10 seconds to 24 hours — facilitating both spot checks and extended monitoring campaigns
- Integrated 4-digit LCD display showing simultaneous readouts of Lp, Leq, Lmax, LAE, E, and Tm — eliminating need for post-processing during on-site evaluation
- Modular analog output interface (AC, PWM, optional DC) — compatible with data loggers, SCADA systems, and third-party acquisition hardware
- Robust mechanical architecture: lightweight (300 g), ergonomic handheld form factor (210 × 72 × 32 mm) with sealed front panel — suitable for outdoor use under variable ambient conditions
Sample Compatibility & Compliance
The AWA5610D is optimized for airborne sound pressure measurements in open-air environments, indoor workplaces, and semi-enclosed industrial settings. Its 1/2″ electret condenser microphone (sensitivity ≈40 mV/Pa) meets IEC 61094-4 requirements for free-field response and exhibits stable performance across temperature ranges of −10 °C to +50 °C. The instrument conforms fully to IEC 61672-1:2013 Class 2 specifications for electro-acoustical performance, including linearity error ≤±1.0 dB, frequency response tolerance ±1.5 dB (A-weighted), and temporal response fidelity for Fast and Slow time weightings. It satisfies mandatory testing protocols under GB/T 17181–1997 for statistical noise analysis and supports regulatory reporting aligned with China’s Environmental Noise Emission Standards (GB 12348–2008) and Occupational Exposure Limits for Noise (GBZ 2.2–2014). Calibration traceability is maintained using a certified 94.0 dB @ 1 kHz pistonphone (e.g., AWA6221B), compliant with IEC 60942.
Software & Data Management
While the AWA5610D operates as a standalone meter with no embedded storage, its analog outputs enable seamless integration into externally managed data acquisition workflows. AC output provides real-time voltage-proportional signal (10 mV/dB) for oscilloscope visualization or FFT-based spectral analysis; PWM output supports direct connection to microcontroller-based logging platforms; and optional DC output (ordered separately) delivers linear voltage representation for analog-to-digital conversion at fixed sampling intervals. When used with compatible PC software (e.g., AWA6290 series configuration tools), users may configure measurement parameters, review session metadata, and generate compliant reports containing timestamps, instrument ID, calibration history, and operator annotations — supporting GLP-aligned documentation practices. Though not natively 21 CFR Part 11 compliant, audit trails and electronic records can be implemented at the system level via validated third-party DAQ software.
Applications
- Environmental noise mapping near highways, railways, airports, and construction sites per ISO 1996-2
- Workplace noise exposure assessment in manufacturing, mining, and power generation facilities per ISO 9612 and GBZ/T 189.8
- Product noise certification testing for household appliances, HVAC units, and automotive components
- Community noise complaint investigations and long-term trend monitoring in residential zones
- Educational acoustics laboratories requiring portable, standards-compliant SPL instrumentation
- Pre-commissioning acoustic verification of building envelope performance and HVAC system noise control
FAQ
What calibration standard is required for periodic verification?
A 94.0 dB @ 1 kHz pistonphone calibrator meeting IEC 60942 Class 1 or Class 2 specifications (e.g., AWA6221B) is required before each measurement session and after any physical shock or environmental transition.
Can the AWA5610D perform octave or 1/3-octave band analysis?
No — the AWA5610D is a single-channel integrating sound level meter without built-in spectral analysis capability. Band-selective measurements require external real-time analyzers or post-processed FFT data from AC output signals.
Is the device suitable for outdoor use in rain or high humidity?
The unit features an IP54-rated enclosure (dust protected, splash resistant), permitting short-term field deployment in light precipitation; however, prolonged exposure to moisture or direct rainfall is not recommended without supplemental weather shielding.
Does it support data logging internally?
No — the AWA5610D lacks onboard memory. Continuous data recording requires connection to an external logger via AC, PWM, or optional DC output.
What battery life can be expected during typical field use?
Using four fresh alkaline LR6 (AA) cells, average operational duration exceeds 20 hours under standard measurement conditions (Leq mode, F/S weighting, LCD backlight off).
