3 Presentation of the sound level meter
3.1 Overview
The back of the instrument contains a battery compartment door, a threaded hole for mounting on a tripod, a location for the nameplate
and a location for the calibration label.
Presentation of the sound level meter
6
Preamplifier
Graphical backlighted LCD-
screen :
240 x 160 pixels.
It displays both reserved areas
for
the
setting
of
the
measurement and areas for
results
presentation.
Monochrome, with 16 grey/blue
levels, it participates to the
intuitive manipulation of the
sound level meter .
Bottom part :
protected by a flexible and removable
rubber breastplate, it contains all input/output and
external power plugs.
Windscreen :
essential to
reduce the noise induced by air
currents.
Keyboard :
it consists of only 8
sensitive keys. Its ergonomy allows
an immediate and easy use of the
sound level meter.
Electret microphone
Severable from the preamplifier
(inside the windscreen).