KROHNE DK 32-DK 34 NEPSI Ex nA - Manual (Page 8)

3
INSTALLATION
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DK32 DK34
www.krohne.com 05/2013 - 4002598301 AD DK32/34 NEPSI Ex nA R01 en
Installation
3.1 Special conditions
The protective glass on the display of the variable area flowmeter may not be exposed to any
mechanical load.
During operation as non-sparking equipment "nA" only suitable for connection to switch
amplifier in accordance with NAMUR (IEC 60947-5-6).
3.2 Installation
Installation and setup must be carried out according to the applicable installation standards by
qualified personnel trained in explosion protection. The information given in the Installation and
Operation Instructions and the Supplementary Installation and Operation Instructions must
always be observed.
Variable area flowmeters must be installed in such a way that
• There is no danger from mechanical impact effects.
• There are no external forces affecting the indicator part.
• The device is accessible for any visual inspections that are necessary, and can be viewed from
all sides.
• The nameplate is clearly visible.
• It can be operated from a location with secure footing.
CAUTION!
The manufacturer is not liable for any damage resulting from improper use or use other than the
intended purpose. This applies in particular to hazards due to insufficient corrosion resistance
and suitability of the materials in contact with product.
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