AWA5636 Series Class 2 Sound Level Meter
The AWA5636 Series is a professional Class 2 sound level meter range designed for general noise measurement, workplace assessments, environmental noise surveys and industrial applications.
Four versions are available, allowing you to choose from straightforward sound level measurement through to integrating measurement, continuous noise monitoring, statistical analysis and occupational noise exposure assessment.
The AWA5636 Series combines a 30–130 dB(A) measurement range with a 1/2" pre-polarised condenser microphone, A, C and Z frequency weighting and a compact handheld design.
Key Features
- IEC 61672-1 Class 2 sound level meter
- 30–130 dB(A) measurement range
- 20 Hz to 12.5 kHz frequency range
- A, C and Z frequency weighting
- Fast and Slow time weighting
- 1/2" pre-polarised condenser microphone
- 128 × 64 OLED display
- Integrating, statistical and occupational noise functions depending on model
- AC, DC and PWM signal outputs
- RS-232 and USB communication available depending on configuration
- Battery or external power operation
- Compact 0.24 kg handheld instrument
- Four versions for different noise measurement applications
Choose Your AWA5636 Model
| Model | Best For | Main Capability |
|---|---|---|
| AWA5636-1 – Basic | Routine sound level checks | Lp, Lmax |
| AWA5636-2 – Integrating | Workplace, environmental and industrial noise surveys | Lp, Leq, Lmax, Lmin, SEL, E, Leq,T |
| AWA5636-3 – Online Monitoring | Continuous and online noise monitoring | Lp, Leq 1s, Lmax |
| AWA5636-4 – Advanced | Occupational and advanced environmental noise assessment | Integrating measurement, Ln statistics, TWA, Lex8h, Lavg, Dose, SD, Lpeak, date/time stamping and data storage |
AWA5636-1 – Basic
The entry-level version for straightforward professional sound level measurements.
Ideal where Class 2 measurement of current and maximum noise levels is required without integrating or statistical analysis.
Measures: Lp and Lmax.
AWA5636-2 – Integrating
Designed for applications where time-averaged noise measurements such as Leq are required.
A good choice for workplace noise, machinery testing, environmental surveys and general professional noise assessment.
Measures include: Lp, Leq, Lmax, Lmin, SEL, sound exposure E and Leq,T.
AWA5636-3 – Online Monitoring
Designed for continuous and online noise monitoring applications.
The AWA5636-3 provides short-interval equivalent sound level measurements and is suited to integration into continuous noise monitoring systems.
Measures include: Lp, Leq 1s and Lmax.
AWA5636-4 – Advanced
The most capable version in the AWA5636 Series.
It adds statistical and occupational noise exposure functions for more advanced workplace and environmental assessments.
Functions include:
- Statistical Ln values
- TWA
- Lex,8h
- Lavg
- Noise Dose
- Standard deviation
- Lpeak
- Date and time stamping
- Measurement data storage
Optional Accessories & Add-ons
The AWA5636 can be supplied with additional accessories to suit field measurement, calibration, monitoring and data-transfer requirements.
| Accessory / Option | Purpose |
| Sound Level Calibrator | Field calibration and measurement verification |
| Tripod | Stable hands-free or longer-duration measurements |
| Microphone Extension Cable | Remote positioning of the measurement microphone |
| RS-232 Interface & Cable | PC communication on compatible configurations |
| USB Interface & Cable | Data transfer and PC connection where supported |
| PC Communication / Analysis Software | Measurement viewing, transfer and instrument configuration where supported |
| Optional Lithium Battery | Extended operating time compared with standard alkaline batteries |
| Replacement Windscreen | Reduces wind influence during outdoor measurements |
Technical Specifications
| Specification | Details |
| Accuracy Class | IEC 61672-1:2002 Class 2 |
| Measurement Range | 30–130 dB(A) |
| Frequency Range | 20 Hz–12.5 kHz |
| Microphone | AWA14421 1/2" pre-polarised condenser microphone |
| Nominal Microphone Sensitivity | 30 mV/Pa |
| Frequency Weighting | A, C, Z |
| Time Weighting | Fast (F), Slow (S); additional weighting model dependent |
| Display | 128 × 64 OLED |
| Signal Outputs | AC, DC, PWM |
| Communication | RS-232 / USB depending on configuration |
| Standard Power Supply | 4 × alkaline batteries |
| Standard Battery Life | At least 10 hours |
| Optional Lithium Battery | At least 20 hours per full charge |
| External Power | 4.5–9 V |
| Dimensions | 310 × 72 × 32 mm |
| Weight | Approx. 0.24 kg |
| Operating Temperature | -20°C to +50°C |
| Operating Humidity | 25–90% RH |
| Operating Air Pressure | 65–108 kPa |
Typical Applications
- Workplace and occupational noise assessment
- Machinery and equipment noise measurement
- Factory and industrial noise surveys
- Environmental noise measurement
- Traffic and vehicle noise
- Construction noise
- Industrial hygiene
- Health and safety inspections
- Continuous noise monitoring
- General professional sound level measurement
Calibration
The AWA5636 can be field calibrated using a suitable 1/2" acoustic calibrator.
Aihua specifies the AWA6221B Class 2 calibrator and also allows compatible Class 1 calibrators such as the AWA6221.
Regular calibration and verification are recommended where the instrument is used for formal workplace, environmental or compliance measurements.
Standard Supply
Standard equipment includes:
- AWA5636 sound level meter
- Microphone and preamplifier
- Windscreen
- 4 × alkaline batteries
- Aluminium carrying case
- Adjustment tool
- Instruction manual
- Verification certificate
- Product qualification certificate
RS-232 and USB cables, software and other accessories are optional depending on configuration.