Siemens SITRANS P Betriebsanleitung Seite 175

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Absolute pressure input (from the gauge pressure series)
HART PROFIBUS PA or Foundation Fieldbus
Measured variable Absolute pressure
Measuring span
(continuously adjustable)
or measuring range, max
permissible operating
pressure (as per 97/23/
EC pressure device
guideline) and max.
permissible test pressure
(as per DIN 16086)
Span Maximum
operating
pressure
MAWP (PS)
Maximum
test pressure
Measuring
range
Maximum
operating
pressure
Maximum test
pressure
8.3 …
250 mbar a
(3 ...
100 inH
2
O)
1.5 bar a
(21.8 psi a)
6 bar a
(87 psi a)
250 mbar a
(100 inH
2
O)
1.5 bar a
(21.8 psi a)
6 bar a
(87 psi a)
43 …
1300 mbar a
(17 ...
525 inH
2
O)
2.6 bar a
(37.7 psi a)
10 bar a
(145 psi a)
1.3 bar a
(18.9 psi a)
2.6 bar a
(37.7 psi a)
10 bar a
(145 psi a)
160 …
5000 mbar a
(2.32 …
72.5 psi a)
10 bar a
(145 psi a)
30 bar a
(435 psi a)
5 bar a
(72.5 psi a)
10 bar a
(145 psi a)
30 bar a
(435 psi a)
1 … 30 bar a
(14.5 …
435 psi a)
45 bar a
(653 psi a)
100 bar a
(1450 psi a)
30 bar a
(435 psi a)
45 bar a
(653 psi a)
100 bar a
(1450 psi a)
Lower measuring limit
Measuring cell with
silicon oil filling
0 mbar a (0 psi a)
Measuring cell with
inert liquid
for process
temperature -20°C <
ϑ ≤ 60°C (-4°F < ϑ
≤ +140°F)
30 mbar a (0.44 psi a)
for process
temperature
60°C < ϑ
≤ 100°C (max. 85°C
for measuring cell
30 bar) (140°F < ϑ
≤ 212°F (max. 185°F
for measuring cell
435 psi))
30 mbar a + 20 mbar a • (ϑ - 60 °C)/°C
(0.44 psi a + 0.29 psi a • (ϑ - 108 °F)/°F)
Upper measuring limit 100% of max. span (max. 120 bar g
(1740 psi g) for oxygen measurement)
100% of max. measuring range (max. 120 bar g
(1740 psi g) for oxygen measurement)
Start-of-scale value between the measuring limits (continuously adjustable)
Technical data
11.2 Input point
SITRANS P, DS III series with HART
Operating Instructions, 09/2012, A5E00047092-08 173
Seitenansicht 174
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