VEGA VEGAPULS SR 68 4 … 20 mA_HART - four-wire - Manual (Page 39)

39
6 Set up with the display and adjustment module
VEGAPULS SR 68 • 4 … 20 mA/HART - four-wire
38295-EN-130624
Storage tank on ships (Cargo Tank):
•
Product speed: slow filling and emptying
•
Vessel:
– Installations in the bottom section (bracers, heating spirals)
– High sockets 200 … 500 mm, also with large diameters
•
Process/measurement conditions:
– Condensation, buildup by movement
– Max. requirement on measurement accuracy from 95 %
Stirrer vessel (reactor):
•
Setup: all vessel sizes possible
•
Product speed:
– Fast to slow filling possible
– Vessel is very often filled and emptied
•
Vessel:
– Socket available
– Large agitator blades of metal
– Vortex breakers, heating spirals
•
Process/measurement conditions:
– Condensation, buildup by movement
– Strong spout generation
– Very agitated surface, foam generation
Dosing vessel:
•
Setup: all vessel sizes possible
•
Product speed:
– Fast filling and emptying
– Vessel is very often filled and emptied
•
Vessel: narrow installation situation
•
Process/measurement conditions:
– Condensation, buildup on the antenna
– Foam generation
Standpipe:
•
Product speed: very fast filling and emptying
•
Vessel:
– Vent hole
– Joins like flanges, weld joints
– Shifting of the running time in the tube
•
Process/measurement conditions:
– Condensation
– Buildup
Bypass:
•
Product speed:
– Fast up to slow filling with short up to long bypass tube possible
– Often the level is hold via a control facility
•
Vessel:
– Lateral outlets and inlets
– Joins like flanges, weld joints
– Shifting of the running time in the tube
•
Process/measurement conditions:
– Condensation