Hitachi YUTAKI S80 Series - Charts

5. Acoustic characteristic curves
TCGB0075 rev.0 - 11/2012
81
5
5.1.2 Charts
RAS-4HVRNME-AF RAS-5HVRNME-AF
Octave sound pressure (dB(C))
Heating
Approximate threshold
of continuous noise
detection
Octave sound pressure (dB(C))
Heating
Approximate threshold
of continuous noise
detection
Frequency (Hz) Frequency (Hz)
Sound pressure level: Heating; 46 dB(A) Sound pressure level: Heating; 48 dB(A)
RAS-6HVRNME-AF RAS-4HRNME-AF
Octave sound pressure (dB(C))
Approximate threshold
of continuous noise
detection
Heating
Octave sound pressure (dB(C))
Heating
Approximate threshold
of continuous noise
detection
Frequency (Hz) Frequency (Hz)
Sound pressure level: Heating; 50 dB(A) Sound pressure level: Heating; 46 dB(A)