KROHNE OPTIWAVE 7300C EN - Manual (Page 70)

6
OPERATION
70
OPTIWAVE 7300 C
www.krohne.com 03/2014 - 4000172405 - HB OPTIWAVE 7300 R07 en
• Blocking Distance (C.1.9)
Use the flange facing as the reference point for the 4 and 20 mA current output settings. The 4
and 20 mA current output settings are the minimum and maximum points of the measurement
scale.
You can change the reference point from which distance is measured. Use this menu
item:
• Reference Offset (C.1.10)(2.3.7)
For more data about the menu items, refer to Function description on page 57, table C.
Advanced setup.
6.4.5 Level measurement
The device displays level measurements when an output is set to level.
INFORMATION!
If you move the reference point above the flange, add this value when you give a distance for the
4 and 20 mA current output settings. If you move the reference point below the flange, subtract
this value when you give a distance for the 4 and 20 mA current output settings.
CAUTION!
If the distance for 4 mA is set in the blocking distance, the device will not be able to use the full
current output range.
Figure 6-4: Distance measurement
1 Tank Height (C.1.2)
2 Reference Offset (C.1.10)
3 Blocking Distance (C.1.9)
4 4 mA Setting (C.3.2 or C.4.2)
5 20 mA Setting (C.3.3 or C.4.3)
6 Maximum effective measuring range
7 Non-measurement zone