Service and maintenance
9.1 Instrument verification
SITRANS SL
152
Operating Instructions, 12/2010, A5E01132948-04
6.
Note pressure source settings and, if applicable, pressure manual value in the verification
sheet. Set the pressure source to "manual" and enter the ambient pressure as manual
value.
Note this value also in the verification sheet.
7.
Note temperature source settings and, if applicable, temperature manual value in the
verification sheet. Set the temperature source to "manual".
Note this value also in the verification sheet.
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50
45
40
35
30
25
20
15
10
5
0
-5
-10
-15
-20
100 %
90 %
80 %
70 %
60 %
50 %
40 %
30 %
20 %
10 %
0 %
Figure 9-2
Verification set point for different relative humidities and temperatures.
Note
If you do not use dry air, your oxygen concentration is lower due to the air moisture.