- EXAMPLE 1
- EXAMPLE 2
- EXAMPLE 3
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- Supports direct and comparative measurement. Also allows reverberation time measurement.
- Supports multi-channel measurement and microphone rotator use.
- Simultaneous power level measurement for up to 32 channels possible (up to 8 channels for reverberation time measurement).
| Supported Technical Standard / Law / Regulation |
|---|
| ●ISO 3741:2010 Acoustics -- Determination of sound power levels and sound energy levels of noise sources using sound pressure -- Precision methods for reverberation test rooms |
PRODUCT LIST
| MODEL | PRODUCT NAME | REMARKS |
|---|---|---|
| Microphone UC-59 or UC-59T 1～32units | ||
| Preamplifier NH-22 1～32units | ||
| UA-90 1/2inch Microphone holder 1～32units | ||
| Microphone stand 1～32units | ||
| SA-02M Multi-Channel Signal Analyzer | ||
| Connecting kit | ||
| NC-74 / NC-72A | Sound calibrator / Pistonphone | |
| AS-31PA5 | Anechoic Acoustic Power Level Measurement Software | |
| Computer | ||
| Speaker |
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- Measures the 1/3 octave band acoustic power level according to the semi-anechoic measurement method.
- The sound pressure level at measurement points on a virtual measurement surface (hemispheric or parallelpiped surface) installed in a semi-anechoic room is measured, and background noise correction for the sound pressure level of the sound source is performed. The flat-response and A-weighted acoustic power levels are then determined.
| Supported Technical Standard / Law / Regulation |
|---|
|
●ISO 3745:2003 Acoustics -- Determination of sound power levels of noise sources using sound pressure -- Precision methods for anechoic and hemi-anechoic rooms ●ISO 3744:2010 Acoustics -- Determination of sound power levels and sound energy levels of noise sources using sound pressure -- Engineering methods for an essentially free field over a reflecting plane |
PRODUCT LIST
| MODEL | PRODUCT NAME | REMARKS |
|---|---|---|
| Microphone UC-59 or UC-59T 1～10～20units | ||
| Preamplifier NH-22 1～10～20units | ||
| EC-90 Series Microphone extension cable 1～10～20units | ||
| UA-90 1/2inch Microphone holder 1～10～20units | ||
| Microphone Installation jig | ||
| SA-02M Multi-Channel Signal Analyzer 1～2units | ||
| AS-30PA5 | Semi-Anechoic Acoustic Power Level Measurement Software | |
| Computer | ||
| NC-74 / NC-72A | Sound calibrator / Pistonphone |
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Using the Low-Noise Microphone UC-35P in a hemi-anechoic chamber in conjunction with the Frequency Analyzer SA-02 and
the Hemi-Anechoic Acoustic Power Level Measurement Software AS-30PA5 enables measurement of acoustic power levels of low-noise products.
PRODUCT LIST
| MODEL | PRODUCT NAME | REMARKS |
|---|---|---|
| UC-35P | 1 inch sound field type electret microphone (with preamplifier) | |
| SA-02M (12ch) | Multi-Channel Signal Analyzer | |
| AS-30PA5 | Hemi-Anechoic Sound Power Level Measurement Software | |
| NC-74 | Sound Calibrator | |
| EC-90 Series | BNC-BNC Coaxial Cable |
