DMTA-20043-01EN [U8778624], Rev. B, May 2013
4 Labels and Symbols
The membrane vent (see Figure i-2 on page 4) is used to counterbalance the internal
and external pressures and to maintain the instrument watertightness. Do not
puncture the membrane vent. When the membrane vent is punctured, the instrument
fails to comply with the IP66 rating.
Figure i-2 Membrane vent location