KERN & SOHN IEX 100K-1MEU Safety - Manual (Page 8)

8 IEX-BA-e-1410
Below drawing presents the means of scale grounding:
Place the weighing platform and the indicator in its intended place of use in the EX
zone and ground them.
CAUTION!

Installing of the indicator, placing the weighing platform and
connecting grounding must be carried out at a time when there
is no risk of the emergence of an explosive atmosphere.

Place the weighing platform on an even and stable foundation distant from
source of heat, drafts and leveled.

Level the scale using adjustable feet and a level.
 Check whether the adjustable feet rest on the scale’s foundation.

Each adjustable feet should take an equal amount of load.

Double check the level of scale location. In correct leveling, the air bubble should
be located within the centre of level’s ring.
 If the weighing platform requires leveling, then screw scale’s adjustable feet to
adjust level.

Check the grounding-mass springs between the weighing platform and the
weighing pan ensuring the discharge of static electricity from the weighing pan.