Schmidt SS 20.600 Ex, Дополнительное руководство по инструкции

Страница: 5 / 16

SS 20.600 Ex
– Supplementary instructions for use in explosive atmospheres ATEX Page 5
3 Safety instructions for explosive
atmospheres
The following standards and rules are relevant:
o
EN 1127-1: Explosion prevention and protection - Basic concepts
and methodology
o
TRBS series
o
Standards for explosive gas atmospheres ("G"):
-
EN 60079-10: Classification of explosive atmospheres
-
EN 60079-14: Electrical apparatus for explosive atmospheres
-
EN 60079-17: Inspection and maintenance

The ATEX version of the SCHMIDT flow sensor SS 20.600
Ex is only suitable for the following applications:
o
in explosive gas atmospheres: Zone 2

The compliance with the important explosion protection da-
ta of your application must be ensured by appropriate label-
ing.
o
G = Gas
o
Device categories 1, 2, 3 in 3 zones
o
Gas values: Temperature class (T1
… T6)

Prior to carrying out operations such as assembly or electri-
cal connection, make sure that:
o
the operation approval of the owner is available
o
there is no explosive atmosphere
o
the device is disconnected from the mains
o
the device cannot be switched on inadvertently

Avoid dust deposits (installation position, protection, clean-
ing measures…) in order to prevent dangerous increase of
the surface temperature.

Installation, commissioning and periodic checks must be
carried out by qualified personnel only ("qualified person“
according to TRBS, Technical Rules for Operational Safe-
ty, 1203).

Repair work must be carried out by the manufacturer only.

Changes to the device are not allowed and can cause the
risk of explosion (ignition).

Only original accessories by the manufacturer must be
used.