Endress+Hauser cerabar S PMC Series - Calibration with Reference Pressure

6.2 Calibration with reference pressure
The vessel is filled for either the lower range value or the upper range value for calibration.
Selecting the operating mode enables two vessel shapes to be chosen
•
vertical – "level linear" and
•
horizontal – "level cylindrical horizontal".
Calibration
# Matrix Path through the
menus
Entry
Fill the vessel to the lower range-value (empty)
1 Set the display to "0" by adopting an acting
bias pressure (position-dependent pressure).
V0H6 ➤ Sets
bias pressure
automatically Confirm
2 Adopting the acting pressure for the lower
range-value
V0H3 ➤ Sets 4 mA
automatically Confirm
Fill the vessel to the upper range-value (full)
3 Adopting the acting pressure for the upper
range-value
V0H4 ➤ Sets 20 mA
automatically Confirm
# Changing product?
see "Density Correction" page 33
Main group: Linearisation
4 Select operation mode
V3H0 Operation
mode
➤ Level linear
or
➤ Level
cylindrical
horizontal
Confirm
Confirm
5 Enter the level or volume at the minimum level
V3H1 ➤ Display at
4mA
e.g. 0 hl
Confirm
6 Enter the level or volume at the maximum level
V3H2 ➤ Display at
20 mA
e.g. 100 hl
Confirm
7 Select the level or volume units
(Select unit from the tables on page 32)
V3H3 ➤ Unit after
linearisation
e.g. hl
Confirm
Note!
For step 1, you can also carry out a zero correction according to the procedure described
in Chapter 5.1, page 27.
1m
3m
0,3 bar
0,1 bar
V0H2
V3H2
V0H1
V3H1
BA187Y55
Operating mode "Level linear"
Calibration point
"empty" above
the mounting point
for the Cerabar S
V0H3
V3H1
V0H4
V3H2
2m
Full
100 hl
Empty
0hl
BA187Y54
Operating mode "Level horizontal cylinder"
Calibration point "empty" at the
same height as the mounting
point for the Cerabar S
Note!
6 Level Measurement Cerabar S
34 Endress+Hauser