Technical data
BKI 09 ATEX 0003X 
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5.4.5 LEVEL MEASUREMENT WHEN MORE THAN ONE PHASE OR LAYER IN THE TANK 
Level can be measured with more than one phase in the tank. 
This requires setting a parameter in the factory menu (Fct. 1.1.3: Application Type) to the following measurement mode: 
2 liquids, 1 level  for measuring level with two or more phases 
1 liquid, 1 level  for measuring one phase or liquid 
Characteristics 
The level of the top product can be detected 
if it has a minimum layer of approximately 100 mm - when measuring a top product with a dielectric constant of 
r
 =2.4. 
The mode “2 liquids, 1 level” permits level to be measured even when more than 2 liquids are present in the tank. The first return signal is identified as being level and 
the second is ignored. 
This mode may be used with all probe types 
Example application 1: 
level measurement of oil (1 liquid in the tank) 
With Factory Menu Fct. 1.1.3: 
Application Type set to 1 liquid, 1 level, the MicroTREK 2-wire will search for the return 
signal with the highest amplitude (i.e. higher than the threshold). 
It will measure the oil level. 
1 Level measurement signal 
2 Threshold 










