Schmidt SS 20.600 E Series, Руководство пользователя

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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
– Part 1:
Basic concepts and methodology
o TRBS series
o Standards for explosive gas atmospheres ("G"):
-
EN 60079-10-1: 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 suitable for the following applications:
o in explosive gas atmospheres: Zone 2

The compliance with the important explosion protection data
of your application must be ensured by appropriate labeling.
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 electrical
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, cleaning
measures
…) in order to prevent dangerous increase of the
surface temperature.

Installation, commissioning and periodic checks must be car-
ried
out by qualified personnel only ("qualified person“ accord-
ing to TRBS, Technical Rules for Operational Safety, 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.