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Function, Parameter name
Input Range
Description
Calculation system (P00)
Select:
Metric (EU), Imperial (US) and
“Optional Unit”
The units of measurement (length and volume) are shorten according to the unit system set
here. When setting / changing units of measurement, you must first select the Calculation
system and then select the unit of measurement to use. According to the list of a previous
narrow-down search.
Set value:
“DEVICE SETTINGS” window / “Application” tab – „Calculation system”
parameter.
Length unit (P01)
Select:
m, cm, mm, inch, ft
Displaying the unit of measure of distance and level.
If “Optional Unit” is selected, the user-defined units specified in the “Optional Unit” parameter
(Unit name, conversion factor) can be set, and the user-defined unit will be used as the
distance unit.
The unit selected here is also valid for the following functions, if “Level” or “Distance” mode
is selected in the Current generator mode – P11 parameter:
Tank height – P05,
Dead zone – P06,
Probe length – P07,
Assignment of 4 mA – P16,
Assignment of 20 mA – P17,
Detection delay – P08.
Or the unit in the „Source” column of the VM table (VMT).
Set value:
“DEVICE SETTINGS” window / “Application” tab – „Engineering units -> Length
unit” parameter, or „Optional Unit” tab in „Units name” and „Conversion factor” parameter.
mm
Volume unit (P02)
Select:
m³, l, US Gal, ft³, bbl, m³/h, ft³/h, kg,
metric tonnes, or
tons US
Unit of displayed volume / conversion value.
Conversion means converting a level value into a “conversion value” (usually volume) in
order e.g. to realize a non-linear function as a factor of the level.