19
Working
environment
0℃~40℃
10%～90% RHNon-
condensing
Storage
environment
-40℃～70℃
5%～90% RHNon-
condensing
elevation
Products with this mark are only suitable for safe use in areas
below 2000m above sea level .
dustproof
Dust falling on the surface of the switch can cause electrostatic
adsorption and poor contact of the metal contacts. Although the
device itself has made certain measures in anti-static, when the
static electricity exceeds a certain intensity, it will still cause fatal
damage to the electronic components on the internal circuit board.
To avoid the static electricity affecting the normal operation of the
device, please pay attention to the following:
1、Regular dust removal to keep indoor air clean;