Vega VEGAFLEX 62 Foundation Fieldbus User Manual download pdf (Page 11)

Fig. 2: Measures

against moisture penetration

The reference plane for the measuring range of the sensors is the

sealing surface of the thread or ﬂange.

Keep in mind that a min. distance must be maintained below the

reference plane and p ossibly also at the end of the probe -

measurement in these areas is not possible (dead band). Keep in mind

that the cable length cannot be used all the way to the end because

measurement in the area of the gravity weight is not possible. These

dead bands are listed in chapter "Technical data". Keep in mind for the

adjustment that the default setting for the measuring range refers to

water.

The process ﬁtting must be sealed if there is gauge or low pressure in

the vessel. Before use, check if the seal material is resistant against

the measured product and the process temperature.

The max. permissible pressure is speciﬁed in chapter "Technical data"

or on the type label of the sensor.

4.2 Mounting instructions

Mount VEGAFLEX 62 in such a way that the distance to vessel

installations or to the vessel wall is at least 300 mm (12 in).

During operation, the probe must not touch any installations or the

vessel wall. If necessary, fasten the probe end.

In vessels with conical bottom it can be advantageous to mount the

sensor in the center of the vessel, as measurement is then possible

down to the lowest point of the bottom. When using the cable version,

Measuring range

Pressure

Mounting position

VEGAFLEX 62 • Foun

dation Fieldbus 11

4 M

ounting

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Vega VEGAFLEX 62 Foundation Fieldbus User Manual Page 11