Prosonic T Commissioning
Endress+Hauser 31
6.2.2 Empty and full calibration
L00-FMU30-15-00-00-xx-001
BD Blocking distance D Distance from sensor membrane - product surface
E Empty distance F Span (full distance)
L Level
Function "empty calibration" (005)
In this function, enter the distance E from the sensor membrane to the minimum level (zero point).
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Caution!
With dished boiler heads or conical outflows, the zero point should not be deeper than the point at
which the ultrasonic wave impinges on the tank bottom.
Function "blocking distance" (059)
In this function the blocking distance (BD) of the sensor is displayed.
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Caution!
When entering the full calibration (span), please take into account, that the maximum level may not
project into the blocking distance (BD).
!
Note!
After basic calibration, enter a safety distance (SD) in the "safety distance" (015) function. If the
level is within this safety distance, the instrument signals a warning or an alarm, depending on your
selection in the "in safety distance" (016) function.
Function "full calibration" (006)
In this function, enter the span F, i.e. the distance from the minimum level to the maximum level.
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