VEGA VEGADIF 55 4 … 20 mA_HART - Manual (Page 24)

0,0
2,0
4,0
6,0
8,0
10,0
12,0
50 100 300 400 500 600 700 800 900 1000
mbar
m
200
2
1
3
4
Fig. 20: Diagram max. mounting height above the lower isolating diaphragm in
vacuum applications depending on the pressure on the isolating diaphragm on
the plus side
1
Vegetable oil
2 Silicone oil
3 High temperature oil
4 Inert oil
4 .6 Mounting instructions for seal with flange
mounting
1 2
Fig. 21: Mounting the versions with flange or isolating diaphragm
1
Diaphragm
2 Seal
4 .7 Heat insulation of instruments with flange
isolating diaphragm
VEGADIF 55 with unilateral flange isolating diaphragm must only be
isolated up to a certain height. The max. permissible isolating heigth is
marked on the instruments and applies to an isolating material with a
heat conductance ≤ 0.04 W/(m x K) and fa max. permitted ambient
24 VEGADIF 55 • 4 … 20 mA/HART
4 M ounting
31731
-EN
-081119