ENSIM SENSORS ELP Operating Manual page 11

2.7.
Please pay attention to following matters in order to operate your level switch properly.
Please do not mount
slant way, otherwise
switch do not work correctly
Please do not dip cables
potting into liquids,otherwise
instulation problem may cause.
Vibration might be
caused instability.
Do not remove the plastic parts
of the bottom of the switch body ,
do not loosen.
WARNINGS !!!
Do not pull the cable strongly,
otherwise the characteristics
might be changed.
Please keep away from magnetic
field ,otherwise it might
be mis-operated.
In case vapour splash cable
potting points,insulation
problem may cause.
Please avoid using with liquids which
damage materials of parts ,
otherwise quality can not be
maintained accurately.
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Please keep away from magnetic materials
like iron board ; otherwise the
characteristics might be affected.
Please do not drop ,
otherwise the characteristics
might be changed.
Excess current , to be drawn as
a result of direct connection to motor ,
may burn relay of switch
Do not remove the float from
connection part. Because its pin
might be damaged.