Acoustic Calibration Centre
A HOKLAS-accredited Acoustics Laboratory in Hong Kong
The Acoustic Calibration Centre (ACC302) has been accredited by Hong Kong Accreditation Service (HKAS) under the Hong Kong Laboratory Accreditation Scheme (HOKLAS) since 2021. The ACC is the only laboratory HOKLAS-accredited to conduct real-time one-third octave band analyser test. We provide calibration services for sound level meters, calibrators and real-time one third octave band analyzer with HOKLAS Certificate of Calibration.
Accredited Calibration Services
Sound Level Meter
Calibration for the following parameters in accordance with IEC 61672-3: 2013 Cl. 11.2, 13, 14, 15, 16, 17, 18, 19, 20 and 21.
- Self-generated noise with microphone replaced by the electrical input signal device
- Electrical signal tests of frequency weightings
- Frequency and time weightings at 1 kHz
- Long-term Stability
- Level linearity on the reference level range
- Level linearity including the level range control
- Toneburst response
- C-weighted peak sound level
- Overload indication
- High-level stability
Calibration for the following parameters using insert voltage technique in accordance with IEC 60942: 2003 Annex B.
- Sound pressure level
- Frequency accuracy
- Total distortion
Real-time one third octave band analyzer
Calibration for the following parameters in accordance with IEC 61260: 1995 Cl. 4.4 and 5.3.
- Attenuation in the pass-band
- Attenuation outside the pass-band
Contact us for details on prices and delivery times. We recommend that you contact us before sending equipment to us to keep the time you’re without your equipment at a minimum.
We invite professionals from different industries to share their insights and experiences to our learners.
Multiple languages available, including English, Cantonese, Mandarin and Japanese, etc.
Certificate of Attendance and Certificate of Completion will be available for some courses upon the completion.
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