Datasheet

Product Data Sheet 4600 N-466
01/31/2019 page 6 of 8
3.4 Sound Data
Measurement
conditions:
Sound pressure level: 1 meter distance between microphone and the air intake.
Sound power level: Acc. to DIN 45635 part 38 (ISO 10302)Sound power level: Acc. to DIN
45635 part 38 (ISO 10302)
Measured in a semianchoic chamber with a background noise level of Lp(A) < 5 dB(A)
For further measurement conditions see chapter aerodynamics.
a.) Operation condition:
2.680 1/min at free air flow Frequency: 50 Hz
Optimal operating point @ 35 Pa
Sound power level at the optimal operating
point
5,7 bel(A)
Sound pressure level at free air flow,
measured in rubber bands
46,0 dB(A)
b.) Operation condition:
3.060 1/min at free air flow Frequency: 60 Hz
Optimal operating point @ 41 Pa
Sound power level at the optimal operating
point
6,0 bel(A)
Sound pressure level at free air flow,
measured in rubber bands
50,0 dB(A)
4 Environment
4.1 General
Min. permitted ambient temperature TU min.
-10 °C / 50 Hz
-10 °C / 60 Hz
Max. permitted ambient temperature TU max.
55 °C / 50 Hz
60 °C / 60 Hz
Min. permitted storage temperature TL min. -40 °C
Max. permitted storage temperature TL max. 80 °C
4.2 Climatic Requirements*)
not specified