Operating Fluid; Airborne Sound Emissions - EMG ELHY EB 630 Assembly Manual

3.6

Operating fluid

3.7

Airborne sound emissions

ELHY-Montageanleitung_2021_EN.docx
The operating fluid used depends on the ambient temperatures at the
place of installation. For information on the dependence of the
operating fluid on the ambient temperatures, see the section
Operating conditions (⇒ section Ambient temperatures).
The A-rated emission sound pressure level for all ELHY
55 dB (A). This value was determined using an integrated sound
pressure level measuring unit in accordance with DIN 45633 under
the following measurement conditions:

The ELHY ® thruster (measurement object) ran continuously.

The measurement object was on a table around 0.8 m above the
ground

The measurement microphone was 1.6 m above the ground.

The diagonal gap between the measurement microphone and
the measurement object was 1 m.
Technical data
Operating fluid
® thrusters is
3
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