KROHNE DK 32-DK 34 NEPSI Ex nA - Manual (Page 11)

OPERATION
5
11
DK32 DK34
www.krohne.com 05/2013 - 4002598301 AD DK32/34 NEPSI Ex nA R01 en
Operation
5.1 Start-up
Start-up is only permitted when the variable area flowmeter:
• is correctly installed in the system and connected.
• has been checked for the proper state with regard to its installation and connection
requirements.
The user of the system must have it checked before start-up in compliance with the national
regulations for checks before startup.
5.2 Operation
Variable area flowmeters must be operated in such a way that they remain within the maximum
and minimum permissible temperatures and pressures and the electrical limit values.
Variable area flowmeters may only be operated if the equipment parts necessary for safety are
effective in the long run, and are not rendered inoperable during operation.
5.2.1 Operation as non-sparking equipment "nA"
DANGER!
During operation it is only permitted to open the indicator if no explosive atmosphere is present.
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