KERN & SOHN OEX Safety - Manual (Page 7)

OEX-BA-e-1410 7

Ambient temperature during operation: -10°C to +40°C.

Scales cannot be exposed to mechanical shocks or vibrations.

IEX scales can be installed and used only by a skilled, trained
personnel.

Scales should undergo periodical technical surveys .

Gathering electrostatic charge should be avoided. Grounding wire
(equipotential) needs to be always connected to the grounding
terminal in KEX-TM indicator.

Disconnecting of the grounding wire is forbidden.
Equipotentialisation wire can be allowed only when the appearance
of explosive gases is impossible.

In case of any damage unplug the supply source, disconnect the
supply cord and then move the device to the safe area for
temporarily storage to prevent it from using until it is repaired.

KEX-TM indicators has an intrinsic safety construction that comprise
with the standards: PN-EN 60079-0 and PN-EN 60079-11 which is
confirmed by KDB 14ATEX0110 certificate.

The indicator is supplied from IEX-A01 power supplier made by
KERN, placed outsider the hazardous area and compliant with: PN-
EN 60079-0 and PN-EN 60079-11 standards - KDB 14ATEX0109
certificate

The weighing platform utilizes load cells PC6, PC22, PC42, PC60,
PCB, supplied by Flintec, and certified for safe use in explosive
areas
– certificate BSV 09 ATEX E 086X

Non-electrical elements of the platform are made according to PN-
EN 13463-1 standard.

All repairs and maintenance work that require opening the indicator
housing should be made by authorised service of KERN.
Subassemblies should be substituted by original equivalents. If the
scale is opened by unauthorised people all claims connected with
warranty are forfeiture.
Any installation and maintenance work, that are at variance with this manual will
cause forfeiture of all warranty claims.