Wika DPT-10 Manual do Utilizador descarregar pdf (Página 64)

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IIIIII

Fig. 47: Preferred installation for closed vessels

I DPT10

II 3-fold valve block

III Precipitator

1, 5 Drain valves

2, 4 Inlet valves

6, 7 Vent valves on DPT10

A, B Blocking valves

Proceed as follows:

1 Fill the vessel to just above the lower tap

2 Fill measuring system with medium

Close valve 3: Separate plus and minus side

Open valve A and B: Open block valves

3 Vent plus side (probably empty minus side)

Open valve 2 and 4: Discharge medium on the plus side

Brieﬂy open valve 6 and 7, then close again: Fill the plus side

completely with the medium and remove air.

4 Set measurement loop to operation

Now:

Valve 3, 6 and 7 are closed

Valves 2, 4, A and B are open

Then carry out adjustment, see below.

Installation for closed

vessels

Prepare the adjustment

64 Diﬀerential pressure transmitter DPT10 - metal measuring diaphragm • Proﬁbus PA

8 Set up

37245-EN-100120

1 2 ... 59 60 61 62 63 64 65 66 67 68 69 ... 95 96

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Wika DPT-10 Manual do Utilizador Página 64