Cerabar M, Deltabar M, Deltapilot M / 4...20 mA HART
Commissioning
Hauser
89
Description
8
Enter the height value for the lower calibration point via
the "Empty height" parameter (
115), here "0 m"
for example.
Menu path: Setup
Extended setup
Level
Empty height
P01-FMX21xxx-05-xx-xx-xx-029
P01-FMX21xxx-05-xx-xx-xx-032
Calibration without reference pressure (dry calibration)
1
See table, Step 12.
2
See table, Step 8.
3
See table, Step 9.
4
See table, Step 10.
5
See table, Step 11.
9
Enter the volume value for the upper calibration point
via the "Full calib." parameter (
115), here "1000
liter" (264 US gal) for example.
Menu path: Setup
Extended setup
Level
Full calib.
10
Enter the volume value for the lower calibration point
via the "Empty calib." parameter (
115), here
"0 liter" for example.
Menu path: Setup
Extended setup
Level
Empty calib.
11
Enter the height value for the upper calibration point via
the "Full height" parameter (
115), here "4 m" (13
ft) for example.
Menu path: Setup
Extended setup
Level
Full height
12
Enter the density of the medium, using the "Adjust
density" parameter (
115), here 1 g/cm
3
(1 SGU)
for example.
Menu path: Setup
Extended setup
Level
Adjust density
13
Result:
The measuring range is set for 0 to 1000 l (264 US gal).
0 l corresponds to an output current of 4 mA.
1000 l (264 US gal) corresponds to an output current of
20 mA.
4.08
0
h
[m]
0
400
p
[mbar]
h =
p
r
· g
r
= 1
g
cm
3
➀
1000
0
V
[l]
0.0
4.0
➁
➂
h =
p
r
· g
h
[m]
➃
➄
