Wika 700.02 Bedienungsanleitung PDF herunterladen (Seite 10)

11025859.03 10/2013 GB/D/F/E

WIKA operating instructions dierential pressure gauge with piston per ATEX

7. Commissioning, operation

Mechanical connection

The installation of the dierential 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 axed 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 dierential 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)

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Wika 700.02 Bedienungsanleitung Seite 10