Vaisala DRYCAP DMT340 SERIES Uživatelská příručka stáhnout pdf (Strana 49)

Chapter 3 _______________________________________________________________ Installation

VAISALA _______________________________________________________________________ 49

Leak Screw Installation

When the probe cannot be installed directly in the pressurized process or

process pipe, a leak screw installation can be used.

In this installation method, you must install the DMT348 probe using a

fitting body with leak screw, see Figure 27 on page 44. A small sample

flow from the process goes through the probe and via the leak screw out

to atmospheric pressure enabling a fast response time although the probe

is not installed in the process.

0503-036

Figure 31 Probe in Leak Screw Installation

Numbers refer to Figure 31 above:

1 = Probe

2 = Filter

3 = Ball of the ball valve

4 = Leak screw

1 2 ... 44 45 46 47 48 49 50 51 52 53 54 ... 168 169

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Vaisala DRYCAP DMT340 SERIES Uživatelská příručka Strana 49