User Manual

OPERATION 6
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OPTIWAVE 7400-24 C
www.krohne.com12/2015 - 4003518001 - MA OPTIWAVE7400-24-R01-en
6.4.6 Level measurement
The device displays level measurements when the output function is set to "Level".
Menu items related to level measurement are:
• Output Function (2.4.1)
• Tank Height (2.3.1)
• Blocking Distance (2.3.2)
You can change the reference point from which level is measured. Use this menu item:
• Tank Bottom Offset (2.3.8)
Figure 6-4: Distance measurement
1 Tank Height (2.3.1)
2 Reference Offset (2.3.7)
3 Blocking Distance (2.3.2)
4 4mA Setting (2.4.3)
5 20 mA Setting (2.4.4)
6 Maximum effective measuring range
7 Non-measurement zone
CAUTION!
If the level for the 20 mA is set in the blocking distance, the device will not be able to use the full
current output range.