User guide

25-9
Mechanical Inductive Transmitters
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Vacuum transmitter, 3-wire system.
For vacuum control of liquids or gaseous media, e.g. for district heating or cooling.
Vacuum transmitter with plug connection for liquid, gas (FVNED3)
Kind of pressure vacuum, relative
Pressure connection internal thread G1/4, external thread G1/2
Electrical connection Plug DIN 43650
Protection class IP65
Sensing method mechanical-inductive
Sensing element material 1.4104 + 1.4571
Media temp. 0 ... 70
o
C
Media temp. limit temperatures up to 85
o
C are allowable for short periods. Higher
temperatures are possible, provided that the limit is safeguarded
by suitable measures (e.g. water tube trap, see Accessories for
Pressure Switches / Transmitters)
Medium liquid/gaseous
Ambient temperature 0 ... 45
o
C
Power supply 19..29Vac, 24..36Vdc
Output signal 0..10Vdc + 0..20mA
Additional description Accuracy class: 1,0
Pressure range Max. pressure Type
bar bar
-1 ... 0 6 FVN111+ED3
-1 ... 1 6 FVN112+ED3
-1 ... 5 25 FVN105+ED3
-0,25 ... 0,25 3 FVN125+ED3
Syphons for high temperature, steel, u-shape (for more accessories see Accessories
for Pressure Switches / Transmitters)
U430B