VEGA VEGAPULS 61 (≥ 2.0.0 - ≥ 4.0.0) 4 … 20 mA_HART four-wire Approval according to LPR radio standard User Manual
Page 37
Standpipe:
l
Product speed: very fast filling and emptying
l
Vessel:
-
Vent hole
-
Joins like flanges, weld joints
-
Shifting of the running time in the tube
l
Process/measurement conditions:
-
Condensation
-
Buildup
Bypass:
l
Product speed:
-
Fast up to slow filling with short up to long bypass tube
possible
-
Often the level is hold via a control facility
l
Vessel:
-
Lateral outlets and inlets
-
Joins like flanges, weld joints
-
Shifting of the running time in the tube
l
Process/measurement conditions:
-
Condensation
-
Buildup
-
Separation of oil and water possible
-
Overfilling into the antenna possible
Plastic tank:
l
Vessel:
-
Measurement fix mounted or integrated
-
Measurement depending on the application through the vessel
top
-
With empty vessel, the measurement can be carried out
through the bottom
l
Process/measurement conditions:
-
Condensation on the plastic ceiling
-
In outside facilities water and snow on the vessel top possible
Transportable plastic tank:
l
Vessel:
-
Material and thickness different
-
Measurement through the vessel top
l
Process/measurement conditions:
-
Measured value jump with vessel change
Open water (gauge measurement):
l
Gauge rate of change: slow gauge change
l
Process/measurement conditions:
-
Distance sensor to water surface to big
-
Extreme damping of output signal due to wave generation
VEGAPULS
61 • Approval according to LPR radio standard
37
6 Set up with the indicating and adjustment module
41714
-EN
-120301