17Pressure gauges with output signal, optionally for hazardous areas
11297264.05 07/2019 EN/DE
EN
The measuring line should be designed and installed so that the loads occurring due to
expansion, vibration and thermal eects can be absorbed. With gaseous media, a drain
should be provided at the lowest point; with liquid media, a vent should be provided at the
highest point.
The measuring instruments must be mounted in the common mounting position per EN
837-1, with a max. permissible incline of 5° on all sides.
Measuring assemblies
Proven measuring assemblies for various types of media.
Liquid media Gaseous media
Filling of the
measuring
line
liquid liquid with
vapour
completely
vapourised
gaseous partially
condensed
(damp)
completely
condensed
Examples conden-
sate
boiling liquids “liquid
gases”
dry air moist air
ue gases
steam
Pressure
gauge above
the tapping
point
Pressure
gauge below
the tapping
point
5.2 Electrical connection
The electrical connection must only be made by qualied skilled personnel. The instrument
must be connected to the equipotential bonding of the plant.
→ For performance data see chapter 9 „Specications“
Supply voltage non-Ex version
Suitable supply voltage
Model KFA6-STR-1.24.500, AC 115/230 V, for DIN rail, order number: 7305636
Supply voltage Ex version
The instrument must only be used in conjunction with a corresponding Ex repeater power
supply.
Suitable Ex repeater power supply
Model KFD2-STC4-Ex1, DC 20 ... 35 V, for DIN rail, order number: 2341268
5. Commissioning, operation
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