Wika CPC2000 Manuel d'utilisateur télécharger pdf (Page 15)

15WIKA operating instructions, model CPC2000

11155094.02 07/2012 GB/D/F/E

4. Design and function

4.6 Pressure connections

■

Dierential pressure instruments are connected to the

and the

connections of the

instrument.

■

Relative pressure instruments are connected to the

connection (

connection is

open to atmosphere).

■

Instruments for negative gauge pressure are connected to the

connection

(

connection is open to atmosphere).

Only connect test and calibration installations once the system has been

depressurised!

Never perform functional tests with compressed or medical air. This can

damage instruments with low pressure ranges.

The connection to the low-pressure controller is made via a 6.6 x 11 mm pressure connec-

tion.

The hose diameter should be 6 mm.

4.7 Overpressure protection

The maximum permissible pressure must not be exceeded:

Pressure range Oberload

1 mbar 5 times overload

10 mbar 5 times overload

50 mbar 5 times overload

100 mbar 5 times overload

500 mbar 2 times overload

1,000 mbar 2 times overload

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Wika CPC2000 Manuel d'utilisateur Page 15