Datasheet

Product Data Sheet 4318 N/2HP
01/31/2019 page 10 of 13
3.6 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)
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:
3.150 1/min at free air
flow
PWM 100 %; f: 25 kHz
Optimal operating point 153 m3/h @ 31 Pa
Sound power level at the optimal operating
point
5,8 bel(A)
Sound pressure level at free air flow,
measured in rubber bands
47 dB(A)
4 Environment
4.1 General
Min. permitted ambient temperature TU min. -20 °C
Max. permitted ambient temperature TU max. 75 °C
Min. permitted storage temperature TL min. -40 °C
Max. permitted storage temperature TL max. 80 °C
4.2 Climatic Requirements
Humidity requirements humid heat, constant; according to DIN EN 60068-2-78, 14 days
Water exposure None
Dust requirements None
Salt fog requirements None
Permitted application area:
The product is intended for use in sheltered rooms with controlled temperature and controlled humidity. Directly
exposure to water must be avoided.
Pollution degree 1 (according DIN EN 60664-1)
There is either no pollution or it occurs only dry, non-conductive pollution. The pollution has no negative impact.
4.3 Mechanical Requirements
severity level
Vibration (sinusoidal)
0,5 G Vibration (sinusoidal) in use
IEC 60068-2-6
Displacement / frequency range
Acceleration / frequency range
Sweep rate
Sweep cycles
Vibration (sinusoidal)
0,035 mm / 10-60, 60-10 Hz
0,5 G / 60-500-60 Hz
1 Oct./min
10