Application With Stillpipe - Siemens SITRANS L Operating Instructions Manual
Radar transmitters with foundation fieldbus
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Also See for SITRANS L:
- Operating instructions manual (228 pages) ,
- Compact operating instructions (114 pages) ,
- Application examples (11 pages)
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Commissioning
6.3 Application examples
6.3.3
Application with stillpipe
A stillpipe is recommended for products with a dK of less than 3, or if extremely turbulent or
vortex conditions exist. This mounting arrangement can also be used to provide optimum
signal conditions on foaming materials.
Note
• Near Range (2.5.1.) (Blanking) will be set at the factory. Check the process connection
tag for specific values.
• Suitable pipe diameters are 40 mm (1.5") to 100 mm (4").
• The pipe diameter must be matched with the antenna size. Use the largest antenna size
that will fit the stillpipe/bypass pipe. See Dimension drawings (Page 185).
• See Mounting on a Stillpipe or Bypass Pipe (Page 29) for installation guidelines.
This application is to obtain a level measurement and corresponding 4 to 20 mA output
proportional to the oil level in a fuel storage vessel.
• Low Calibration Pt. is 5 m (16.4 ft) from the sensor reference point.
• High Calibration Pt. is 0.5 m (1.64 ft) from the sensor reference point.
• The stillpipe inside diameter is 50 mm (1.96").
• The maximum rate of filling or emptying is about 0.1 m (4")/min.
①
②
③
④
Parameter
type
Quick Start
Wizard param-
eters
62
Sensor reference point
High calibration point
0.5 m
Vent hole
Parameter No./Name
Introduction
Language
Material
⑤
5 m
⑥
50 mm I.D.
⑦
Low calibration point
Options/Values
Function
NEXT
Continue with Wizard.
NEXT
Continue with current lan-
guage.
LIQUID LOW DK
SITRANS LR250 with FOUNDATION FIELDBUS
Operating Instructions, 09/2021, A5E32221411-AH
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