TDOCT-
3147_E
NG
259858
08/
2013
Pressure Transmitter LHCR-51, LHCS-51
Commissioning
32
8 Enter the height value for the lower calibration
point via the "Empty height" parameter, here "0 m"
for example.
Menu path: Setup
→
Extended setup
→
Level
→
Empty height
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, here "1000
liters (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, 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, 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, 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 l 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.
Description
4.08
0
h
[m]
0
400
p
[mbar]
h =
p
ρ · g
ρ = 1
g
cm
3
1
1000
0
V
[l]
0.0
4.0
h =
p
ρ · g
h
[m]
2
3
4
5
DOCT3147_eng.book Seite 32 Freitag, 16. August 2013 4:58 16