INSTALLATION
2
13
OPTIWAVE 7300 C
www.krohne.com
04/2009 - 4000050002 - QS OPTIWAVE 7300 R05 en
2.8 Installation recommendations for liquids
2.8.1 General requirements
2.8.2 Installation in stilling wells
Use a stilling well if:
•
There is highly conductive foam in the tank.
•
The liquid is very turbulent or agitated.
•
There are too many obstacles near to the area where you want to install the device.
•
The device is used to measure a liquid (petro-chemicals) in a tank with a floating roof.
INFORMATION!
We recommend that you configure the device when the tank is empty.
Figure 2-10: General Installation recommendations
1
Do not tilt the device more than 2
°
2
If there are too many obstacles in the radar beam, do an empty spectrum scan (refer to the handbook) or install a by-
pass chamber or stilling well
3
2.5 mm / 0.1
¨
max. for high-dielectric constant liquids
4
Curved and conical tank bottoms. Refer to the handbook for fine adjustment of the device.
5
Radius of radar footprint (DN40 Horn antenna): increments of 180 mm/m or 2.15
¨
/ft (10
°
)
Radius of radar footprint (DN50 Horn antenna): increments of 130 mm/m or 1.55
¨
/ft (7.5
°
)
Radius of radar footprint (DN80 Horn antenna): increments of 90 mm/m or 1.1
¨
/ft (5
°
)
Radius of radar footprint (DN100 Horn antenna and DN80 Drop antenna): increments of 70 mm/m or 0.83
¨
/ft (4
°
)
QS_OPTIWAVE7300_en_090528_4000050002_R05_web.book Page 13 Friday, May 29, 2009 4:01 PM
