Hitachi W 4YD Handling Instructions Manual page 30

English
Information concerning airborne noise and vibration
The measured values were determined according to
EN 60745 and declared in accordance with ISO 4871.
Measured A-weighted sound power level: 93 dB(A)
Measured A-weighted sound pressure level: 82 dB(A)
Uncertainty KpA: 3 dB(A)
Wear ear protection.
The typical weighted root mean square acceleration value:
2
1.7 m/s .
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