Tecfluid LU Series - Manual (Page 15)

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The percentage of filling is calculated taking into account the points distance to the bottom
(see section 5.2) and distance to the top, according to the following equation:
This parameter is necessary if we want the instrument to work in level mode or
percentage mode (see section 4.2).
The figure shows the distance bd. The measurement in level or percentage mode shall
refer this distance. In a case when a vessel bottom is not flat, we must take the bd
distance between the tip of the instrument, and the point that we take as zero level.
When the distance between the product and the sensor is bd, the displayed percentage is
0%.
When the distance between the product and the sensor is td, the displayed percentage is
100%.
5.3 Distance to the top of the vessel
This parameter is necessary if we want the instrument to function in percentage mode
(see section 4.2).
100 x
td) (bd
td) (d td) (bd

  

%