SICK TRANSIC Extractive TRANSIC151LP, Operating Instructions Manual, Page: 40 / 84

40 8015383/ZUQ7/V1-3/2020-06 | SICK O P E R A T I N G I N S T R U C T I O N S | TRANSIC151LP
Subject to change without notice
5
SETTING AMBIENT PARAMETERS
5 Setting ambient parameters
5.1 Compensation of ambient parameters
The TRANSIC151LP can compensate the temperature, pressure of the operating
environment as well as water and CO
2
content of the background gas.
The typical effect of the error depending on the process pressure is shown in the non-
compensated curve in
Fig. 30 . The error magnitude is smallest at normal ambient air
pressure.
Fig. 30: Effect of process pressure compensation
0
Ambient parameters Standard Activated Remarks
Operating pressure
(process pressure) Standard ambient
parameters:
Pressure 1 bar(a) Must be activated,
ambient parameters
must be set. The pressure outside the process in
which the measuring device enclosure is
installed should be normal ambient air
pressure. Further information,
see “Vari-
ant for extractive measurement”,
page 13
.
Humidity Water content 0 g/
m
3
H
2
O, compensa-
tion deactivated
CO2 Relative carbon
dioxide concentra-
tion 0 vol % CO
2,
Temperature 2 integrated tem-
perature sensors:
Inner temperature
Process temperature Automatic, always
active A significant difference between process
gas temperature and the temperature in
the measuring device enclosure can
influence the measured value result.
Table 2: Compensation of ambient parameters
-
6
-
5
-
4
-
3
-
2
-
1
0
2
1
0.8 0.9 1.0 1.1 1.2 1.3 1.4
0
2
e
rror (% of measur
ed value
)
Process pressure (bar(a))
x compensated at p = 1.2 bar
--- not compensated