WIKA 233.50 - Manual (Page 13)

GB
2080268.06 02/2013 GB/D/F/E
WIKA operating instructions pressure gauge, model 2 per ATEX 13
6. Commissioning, operation
pressure gauge, it must be protected against being blocked by debris
and dirt.
With safety pressure gauges (see dial symbol k ) ensure that the free
space behind the blow-out back is at least 15 mm.
Requirements for the installation point
If the measuring point is not sufficiently stable a measuring instrument
support such as a bracket or flange should be used for fastening
(possibly via a flexible capillary). If vibrations cannot be avoided by
taking suitable measures during installation, liquid-filled instruments
should be used. Instruments must be protected against coarse dirt and
wide fluctuations in ambient temperature.
Installation
„ Nominal position per EN 837-1 / 9.6.7 Figure 9: 90° ( ⊥ )
„ Process connection lower mount (LM) or back mount (BM)
„ After mounting, set the compensating valve
(if available) from CLOSE to OPEN.
„ In order to avoid any additional heating, the instruments must not be
exposed to direct solar irradiation while in operation!