KROHNE FMCW06G10 Manual De Usuario
INSTALLATION
3
21
OPTIWAVE 1010
www.krohne.com
09/2014 - 4003537401 - MA OPTIWAVE 1010 R01 en
3.8 Stilling wells
Install the device in a metal stilling well if the radar level transmitter is attached to the top of the
tank and not on the top of a magnetic (bypass) level indicator or a bypass chamber.
tank and not on the top of a magnetic (bypass) level indicator or a bypass chamber.
General notes
Installation in tanks containing one liquid and foam
Installation in tanks containing one liquid and foam
• Drill an air circulation hole (max. Ø10 mm / 0.4¨) in the stilling well above the maximum level.
• Remove the burr from the hole.
• Remove the burr from the hole.
CAUTION!
If the stilling well has liquid circulation holes, then the tank must be made of metal or reinforced
concrete to prevent radio frequency interference.
If the stilling well has liquid circulation holes, then the tank must be made of metal or reinforced
concrete to prevent radio frequency interference.
Figure 3-6: Installation recommendations for stilling wells
1 A stilling well solution
2 Air circulation hole
3 Level of the liquid
2 Air circulation hole
3 Level of the liquid
CAUTION!
Installation requirements
•
The standpipe must be electrically conductive.
•
The standpipe must be straight. There must be no sudden changes in internal diameter
greater than 1 mm / 0.04
greater than 1 mm / 0.04
¨
.
•
The standpipe must be vertical.
•
Recommended surface roughness: <
±
0.1 mm / 0.004
¨
.
•
Make sure that there are no deposits at the bottom of the standpipe.
•
Make sure that there is liquid in the standpipe.