Product Data Sheet 4800 X

07/24/2014

3.5

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 section 3.4

a.) Operation condition:

1.850 1/min at free air flow

Frequency: 50 Hz

Optimal operating point

50,0 m3/h @ 13 Pa

Sound power level at the optimal operating

point

4,4 bel(A)

Sound pressure level at free air flow,

measured in rubber bands

33,0 dB(A)

b.) Operation condition:

1.700 1/min at free air flow

Frequency: 60 Hz

Optimal operating point

44,0 m3/h @ 10 Pa

Sound power level at the optimal operating

point

4,5 bel(A)

Sound pressure level at free air flow,

measured in rubber bands

34,0 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.

70 °C / 50 Hz

75 °C / 60 Hz

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

*) Permittet 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.