KERN & SOHN OEX Safety - Manual (Page 3)

OEX-BA-e-1410 3
1 General understanding of the manual symbology
Observing prescriptions of this manual is a crucial precaution concerning safe
operation in explosive atmospheres as far as OEX scales are concerned.
All users and the personnel responsible for maintenance should be familiar
with this manual and manuals describing functional parts of this device:

Indicator KEX-TM

Power adaptor IEX-A01-U, IEX-A01-E
The mentioned manual should be accessible all the time for people who are
involved in working or maintenance of the device.
You can find following symbology in this manual:

Activities always required

Activities required only under certain circumstances,

marking of passages that are crucial for anti-explosive safety.
„Safety usage manual” can be complement with additional warnings and security
information provided by KERN.
The whole personnel should be informed about any released appendix to this
manual.
2
Intended use of scales OEX
OEX scales are intended to mass measurements in hazardous areas endangered to
appearance of explosive atmosphere. They can be used for weighings goods.
Tarring within the whole range of measurement allows to measure net mass of loads.
Scale construction is compatible with Directive 94/9/EC valid for the countries of
European Union.

Scales of OEX serie, because of the construction of the non-
electrical part of the platform and used material, can be used in
zones 1 or 2 endangered for appearance of gases, mixture of gases,
mists form IIA or IIB or IIC explosive groups and T1, T2, T3 or
T4.temperature class.