Endress+Hauser Prosonic S FMU90 - 9.2 The extended calibration submenu

The "output/calculations" menu (for HART instruments)
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"current turn down" (not present for "current span" = "fixed current HART")
Used to map only a part of the measuring range to the current output. The selected part is enlarged
by this mapping.
"turn down 0/4 mA" (only for "current turn down" = "on")
Specifies the measured value for which the current is 0 or 4 mA (depending on the selected current
span).
"turn down 20 mA" (only for "current turn down" = "on")
Specifies the measured value for which the current is 20 mA.
L00-FMU90xxx-19-00-00-yy-068
A: turn down 4mA ; B: turn down 20 mA
4
[mA]
20
100 [%, ...]0
AB