

ACO
ACO 6224 NEA-Approved Class 1 Sound Level Meter
ACO 6224 NEA-Approved Class 1 Sound Level Meter
The ACO 6224 is a NEA type-approved Class 1 precision integrating sound level meter, widely used in Singapore for environmental noise monitoring, construction site compliance, and occupational health assessments. Distributed and supported by Absolute Instrument Systems (AIS).
Key Features
- IEC 61672-1 Class 1 precision -- meets NEA requirements for environmental and construction noise measurements
- Wide measurement range: 27 dBA to 130 dBA (A-weighting)
- Peak level measurement: 38 dBA to 138 dBA
- Time weightings: Fast, Slow, Impulse
- Frequency weightings: A, C, Flat
- Measurement parameters: Lp, Leq, Le, Lmax, Lmin, Lx, Lpeak
- Data logging up to 32,000 data points
- Octave band analysis: 1/1 and 1/3 octave bands
- Real-time graphical display
Applications
- Construction site noise monitoring (NEA compliance)
- Environmental noise surveys
- Occupational health and safety assessments
- Traffic and community noise monitoring
- Industrial noise measurements
Downloads
ACO 6224 Product Brochure (PDF)
Support
AIS provides calibration, repair, and technical support for the ACO 6224. Contact us for a quotation or to arrange a demonstration.
Downloads
Complete the form below to request more information and estimates
Our team of experts will contact you soon to address your inquiry.





