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VEGA VEGAPULS 61 (≥ 2.0.0 - ≥ 4.0.0) 4 … 20 mA_HART - two-wire Approval according to LPR radio standard User Manual

Page 39

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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

39

6 Set up with the indicating and adjustment module

41713

-EN

-120301