VEGA VEGABAR 74 4 … 20 mA_HART - Manual (Page 11)

4 M ounting
4 .1 General instructions
M
ake sure that the wetted parts of VEGABAR 74, especially
the seal and process fitting, are suitable for the existing
process conditions such as pressure, temperature etc. as well
as the chemical properties of the medium.
Y ou can find the specifications in chapter "Technical data" in
the "Supplement".
H igher process temperatures often mean also higher ambient
temperatures. Make sure that the upper temperature limits
stated in chapter "Technical data" for the environment of the
electronics housing and connection cable are not exceeded.
1
2
Fig. 2: Temperature ranges
1
Process temperature
2 Ambient temperature
l
T he connection cable has a capillary for atmospheric
pressure compensation
à Lead the cable end into a dry space or into a suitable
terminal housing.
Information:
VEGA
recommends the breather housing VEGABOX 02 or the
indication/adjustment VEGADIS 12. Both contain terminals
and a ventilation filter for pressure compensation. For
mounting outdoors, a suitable protective cover is available.
Materials, wetted parts
Temperature limits
Connection
VEGABAR 74 - 4 … 20 mA/HART 11
M ounting
28432
-
EN
-070718