WIKA 700.02 - Manual (Page 10)

10
11025859.03 10/2013 GB/D/F/E
GB
WIKA operating instructions differential pressure gauge with piston per ATEX
7. Commissioning, operation
Mechanical connection
The installation of the differential pressure gauge is made following the installation
recommendations for pressure gauges in accordance with EN 837-2 /7.
Mounting of the process connection according to affixed symbols ⊕ and ⊖
⊕ high pressure, ⊖ low pressure
■ Hold against the connection pieces in the case of installation by means of
17 mm screw spanner (installation without holding against the connection
pieces may cause thet measuring system to get loose).
■ The maximum permissible medium/ambient temperature must not be
exceeded.
■ Prior to the installation of the pressure gauge, clean the measuring lines
thoroughly by tapping and blowing or rinsing.
■ Mount and operate the measuring instruments free from vibration.
■ Protect measuring instruments from contamination and high temperature
changes.
To avoid foreign matter in the measuring system and the resulting damage to the
system, the pressure gauge must be mounted above the connector. For measuring
media containing suspended particles model 700.02 should be used.
6. Transport, packaging and storage / 7. Commissioning ...
6. Transport, packaging and storage
6.1 Transport
Check the differential pressure gauge for any damage that may have been
caused by transport. Obvious damage must be reported immediately.
6.2 Packaging
Do not remove packaging until just before mounting.
Keep the packaging as it will provide optimum protection during transport (e.g.
change in installation site, sending for repair).
6.3 Storage
Permissible conditions at the place of storage
Storage temperature: -20 ... +70 °C (optional: -40 … +70 °C)