For installation in Hazardous Locations use
the
Factory Mutual Approved model
3DLevelScanner

or
ATEX Approved model
3DLevelScanner

The unit must be installed
along with the appropriate
Intrinsic Safety Barriers.
Suitable barriers are identified on the FM
Control
Drawing and in the 3DLevelScanner ATEX
Safety Instructions.
In addition, wiring must be in compliance with the relevant
government codes (NEC in the US).
For FM compliance refer to
FM Control Drawing #
PM3000-010.