Wika CPH7600 Manual do Utilizador descarregar pdf (Página 32)

32 WIKA operating instructions, model CPH7600

14051628.01 11/2012 GB/D

6. Commissioning, operation

6.10 Performing a pressure switch test

Figure 3: CPH7600 with pressure switch

To perform a switch test, the following steps must be taken:

1. The upper display is set to [P1] ST, all other displays are switched o.

The pressure switch test can be performed with the following functions

[P1] ST or EXT ST.

2. Connect the calibrator to the pressure switch using the switch terminals. The polarity

of the terminals does not matter. Then connect the pressure side of the calibrator

and the pressure switch.

Test item

Output signal

DC 24 V voltage

COM

Pressure

switch

Use small-volume

hose lines, as for as

possible

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Wika CPH7600 Manual do Utilizador Página 32