Tecfluid LU Series Manual do Utilizador descarregar pdf (Página 13)

4.3 Dead zone indication

If the measured distance is shorter than the minimum measuring distance, we can say

that the product is in the dead zone (see point 2.2). In this case the transmitter can not

make a correct measurement.

In this situation the instrument will display 6 dashes instead of the measured value, and

the analog signal output will give 3.6 mA or 22 mA depending on how it is programmed

(see section 5.9 in page 19), indicating incorrect measurement due to dead zone.

Percent (P). It displays the filling percentage between two references, normally the

bottom of the tank and the maximum level. These two parameters have to be correctly

programmed (see points 5.2 and 5.3).

Level (L). It shows the level or height from a reference, usually the bottom of the vessel,

to the liquid or solid surface.

In order to show the level correctly, the parameter bottom distance (bd) must be

previously programmed (see point 5.2).

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Tecfluid LU Series Manual do Utilizador Página 13