KROHNE H250 M9S ATEX II3D Ex t-II3G Ex nA EN - Manual (Page 12)

3
INSTALLATION
12
H250 M9
www.krohne.com 10/2012 - 4000646002 MA H250/M9-Ex-II3GD-AD-R06-en
Installation
3.1 Installation
Installation and setup must be carried out according to the applicable installation installation
standards (e.g. EN 60079-14) 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.
The variable area flowmeter can withstand the low risk of mechanical damage according to EN
60079-0 (impact energy 4/2 joules).
CAUTION!
The manufacturer is not liable for any damage resulting from improper use or use for 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.
AD_H250_M9_II3GD_R06_en_646002_PRT.book Page 12 Wednesday, October 17, 2012 8:03 AM